Repository: mdn/browser-compat-data
Pull request #26212: Firefox Nightly now supports Temporal by default
Author: login: dletorey
Labels: name: data:js
description: Compat data for JS/ECMAScript features. https://developer.mozilla.org/docs/Web/JavaScript
name: size:xl
description: [PR only] >1000 LoC changed
Created: 2025-03-14T11:31:08Z | Merged: 2025-03-14T13:58:00Z

#### Summary

- Removed Flag for Firefox Nightly and updated the `imp_url` for:
  - `Temporal` API
  - `Temporal.Duration`
  - `Temporal.Instant`
  - `Temporal.Now`
  - `Temporal.PlainDate`
  - `Temporal.PlainDateTime`
  - `Temporal.PlainMonthDay`
  - `Temporal.PlainTime`
  - `Temporal.PlainYearMonth`
  - `Temporal.ZonedDateTime`
  - `Date.toTemporalInstant`

#### Test results and supporting details

- Tested in Firefox Nightly with the flag: `javascript.options.experimental.temporal`, using the following test codepens:
  - [`Temporal.Duration`](https://codepen.io/CodeRedDigital/pen/jENvKmd)
  - [`Temporal.Instant`](https://codepen.io/CodeRedDigital/pen/qEWMKPq)
  - [`Temporal.Now`](https://codepen.io/CodeRedDigital/pen/EaYeRQK)
  - [`Temporal.PlainDate`](https://codepen.io/CodeRedDigital/pen/RNbYrEK)
  - [`Temporal.PlainDateTime`](https://codepen.io/CodeRedDigital/pen/vEBzrQd)
  - [`Temporal.PlainMonthDay`](https://codepen.io/CodeRedDigital/pen/YPKOwgp)
  - [`Temporal.PlainTime`](https://codepen.io/CodeRedDigital/pen/WbegyPB)
  - [`Temporal.PlainYearMonth`](https://codepen.io/CodeRedDigital/pen/ByBOVeM)
  - [`Temporal.ZonedDateTime`](https://codepen.io/CodeRedDigital/pen/vEBzaBr)
  - [`Date.toTemporalInstant()`](https://codepen.io/CodeRedDigital/pen/zxOeEQb?editors=0011)

#### Related issues

- [Firefox Release PR](https://github.com/mdn/content/pull/38628)
- [Enable Temporal on Nightly #38404](https://github.com/mdn/content/issues/38404)


Diff:
diff --git a/javascript/builtins/Date.json b/javascript/builtins/Date.json
index 0fc70b2b2bfaae..edbb7144b47902 100644
--- a/javascript/builtins/Date.json
+++ b/javascript/builtins/Date.json
@@ -3052,13 +3052,6 @@
               "edge": "mirror",
               "firefox": {
                 "version_added": "preview",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "javascript.options.experimental.temporal",
-                    "value_to_set": "true"
-                  }
-                ],
                 "impl_url": "https://bugzil.la/1912511"
               },
               "firefox_android": "mirror",
diff --git a/javascript/builtins/Temporal.json b/javascript/builtins/Temporal.json
index d688a36b3d1e58..c8886caf34af31 100644
--- a/javascript/builtins/Temporal.json
+++ b/javascript/builtins/Temporal.json
@@ -27,13 +27,6 @@
             "edge": "mirror",
             "firefox": {
               "version_added": "preview",
-              "flags": [
-                {
-                  "type": "preference",
-                  "name": "javascript.options.experimental.temporal",
-                  "value_to_set": "true"
-                }
-              ],
               "impl_url": "https://bugzil.la/1912511"
             },
             "firefox_android": "mirror",
diff --git a/javascript/builtins/Temporal/Duration.json b/javascript/builtins/Temporal/Duration.json
index d645b8b56df8c8..2ee7474c8db7ef 100644
--- a/javascript/builtins/Temporal/Duration.json
+++ b/javascript/builtins/Temporal/Duration.json
@@ -27,13 +27,6 @@
               "edge": "mirror",
               "firefox": {
                 "version_added": "preview",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "javascript.options.experimental.temporal",
-                    "value_to_set": "true"
-                  }
-                ],
                 "impl_url": "https://bugzil.la/1912511"
               },
               "firefox_android": "mirror",
@@ -87,13 +80,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -147,13 +133,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -207,13 +186,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -267,13 +239,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -327,13 +292,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -387,13 +345,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -447,13 +398,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -507,13 +451,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -567,13 +504,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -627,13 +557,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -687,13 +610,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -747,13 +663,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -807,13 +716,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -867,13 +769,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -927,13 +822,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -987,13 +875,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1047,13 +928,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1107,13 +981,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1167,13 +1034,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1227,13 +1087,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": [
                     "https://bugzil.la/1912511",
                     "https://bugzil.la/1942850"
@@ -1291,13 +1144,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1351,13 +1197,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1411,13 +1250,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1471,13 +1303,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1531,13 +1356,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1591,13 +1409,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
diff --git a/javascript/builtins/Temporal/Instant.json b/javascript/builtins/Temporal/Instant.json
index 274976397eb214..fc631cd0768ddd 100644
--- a/javascript/builtins/Temporal/Instant.json
+++ b/javascript/builtins/Temporal/Instant.json
@@ -27,13 +27,6 @@
               "edge": "mirror",
               "firefox": {
                 "version_added": "preview",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "javascript.options.experimental.temporal",
-                    "value_to_set": "true"
-                  }
-                ],
                 "impl_url": "https://bugzil.la/1912511"
               },
               "firefox_android": "mirror",
@@ -87,13 +80,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -147,13 +133,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -207,13 +186,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -267,13 +239,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -327,13 +292,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -387,13 +345,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -447,13 +398,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -507,13 +451,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -567,13 +504,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -627,13 +557,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -687,13 +610,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -747,13 +663,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -807,13 +716,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -867,13 +769,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -927,13 +822,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -987,13 +875,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1047,13 +928,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1107,13 +981,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
diff --git a/javascript/builtins/Temporal/Now.json b/javascript/builtins/Temporal/Now.json
index 5a9435a4cca54d..bbb265b0d0bec4 100644
--- a/javascript/builtins/Temporal/Now.json
+++ b/javascript/builtins/Temporal/Now.json
@@ -27,13 +27,6 @@
               "edge": "mirror",
               "firefox": {
                 "version_added": "preview",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "javascript.options.experimental.temporal",
-                    "value_to_set": "true"
-                  }
-                ],
                 "impl_url": "https://bugzil.la/1912511"
               },
               "firefox_android": "mirror",
@@ -86,13 +79,6 @@
                 "edge": "mirror",
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-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -146,13 +132,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -206,13 +185,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -266,13 +238,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
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@@ -326,13 +291,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -386,13 +344,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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diff --git a/javascript/builtins/Temporal/PlainDate.json b/javascript/builtins/Temporal/PlainDate.json
index bd5d666d9459a4..d7ea37fe100ca7 100644
--- a/javascript/builtins/Temporal/PlainDate.json
+++ b/javascript/builtins/Temporal/PlainDate.json
@@ -27,13 +27,6 @@
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-                "flags": [
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-                    "value_to_set": "true"
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                 "impl_url": "https://bugzil.la/1912511"
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               "firefox_android": "mirror",
@@ -87,13 +80,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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@@ -147,13 +133,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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@@ -207,13 +186,6 @@
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -267,13 +239,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
                 },
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@@ -327,13 +292,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -387,13 +345,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -447,13 +398,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -507,13 +451,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -567,13 +504,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -627,13 +557,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -687,13 +610,6 @@
                 "edge": "mirror",
                 "firefox": {
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -747,13 +663,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -807,13 +716,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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@@ -867,13 +769,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -927,13 +822,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -987,13 +875,6 @@
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1047,13 +928,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1107,13 +981,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1167,13 +1034,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1227,13 +1087,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1287,13 +1140,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1347,13 +1193,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1407,13 +1246,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1467,13 +1299,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1527,13 +1352,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1587,13 +1405,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1647,13 +1458,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1707,13 +1511,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1767,13 +1564,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1827,13 +1617,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1887,13 +1670,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1947,13 +1723,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2007,13 +1776,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
-                    {
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2067,13 +1829,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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                 "firefox_android": "mirror",
diff --git a/javascript/builtins/Temporal/PlainDateTime.json b/javascript/builtins/Temporal/PlainDateTime.json
index 8cf2acd46cc2ad..cfb7aafff9f574 100644
--- a/javascript/builtins/Temporal/PlainDateTime.json
+++ b/javascript/builtins/Temporal/PlainDateTime.json
@@ -27,13 +27,6 @@
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               "firefox": {
                 "version_added": "preview",
-                "flags": [
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-                    "name": "javascript.options.experimental.temporal",
-                    "value_to_set": "true"
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                 "impl_url": "https://bugzil.la/1912511"
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               "firefox_android": "mirror",
@@ -87,13 +80,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                 "firefox_android": "mirror",
@@ -147,13 +133,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -207,13 +186,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                 "firefox_android": "mirror",
@@ -267,13 +239,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -327,13 +292,6 @@
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -387,13 +345,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                 "firefox_android": "mirror",
@@ -447,13 +398,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -507,13 +451,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -567,13 +504,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "value_to_set": "true"
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@@ -627,13 +557,6 @@
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                 "firefox_android": "mirror",
@@ -687,13 +610,6 @@
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@@ -747,13 +663,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -807,13 +716,6 @@
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-                  "flags": [
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@@ -867,13 +769,6 @@
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -927,13 +822,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -987,13 +875,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1047,13 +928,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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@@ -1107,13 +981,6 @@
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -1167,13 +1034,6 @@
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-                  "flags": [
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-                      "value_to_set": "true"
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                 "firefox_android": "mirror",
@@ -1227,13 +1087,6 @@
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -1287,13 +1140,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -1347,13 +1193,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -1407,13 +1246,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -1467,13 +1299,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1527,13 +1352,6 @@
                 "edge": "mirror",
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                   "version_added": "preview",
-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1587,13 +1405,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                 },
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@@ -1647,13 +1458,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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@@ -1707,13 +1511,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -1767,13 +1564,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -1827,13 +1617,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -1887,13 +1670,6 @@
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -1947,13 +1723,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -2007,13 +1776,6 @@
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-                      "value_to_set": "true"
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@@ -2067,13 +1829,6 @@
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -2127,13 +1882,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -2187,13 +1935,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -2247,13 +1988,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -2307,13 +2041,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
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@@ -2367,13 +2094,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -2427,13 +2147,6 @@
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -2487,13 +2200,6 @@
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diff --git a/javascript/builtins/Temporal/PlainMonthDay.json b/javascript/builtins/Temporal/PlainMonthDay.json
index 1785a799bdd207..482c95f08486e4 100644
--- a/javascript/builtins/Temporal/PlainMonthDay.json
+++ b/javascript/builtins/Temporal/PlainMonthDay.json
@@ -27,13 +27,6 @@
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-                    "value_to_set": "true"
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               "firefox_android": "mirror",
@@ -87,13 +80,6 @@
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -147,13 +133,6 @@
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@@ -207,13 +186,6 @@
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@@ -267,13 +239,6 @@
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@@ -327,13 +292,6 @@
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@@ -387,13 +345,6 @@
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@@ -447,13 +398,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -507,13 +451,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -567,13 +504,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "value_to_set": "true"
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@@ -627,13 +557,6 @@
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@@ -687,13 +610,6 @@
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@@ -747,13 +663,6 @@
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diff --git a/javascript/builtins/Temporal/PlainTime.json b/javascript/builtins/Temporal/PlainTime.json
index a35d5a208a260a..887c583da25824 100644
--- a/javascript/builtins/Temporal/PlainTime.json
+++ b/javascript/builtins/Temporal/PlainTime.json
@@ -27,13 +27,6 @@
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-                "flags": [
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-                    "value_to_set": "true"
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                 "impl_url": "https://bugzil.la/1912511"
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@@ -87,13 +80,6 @@
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@@ -147,13 +133,6 @@
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -207,13 +186,6 @@
                 "edge": "mirror",
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                 "firefox_android": "mirror",
@@ -267,13 +239,6 @@
                 "edge": "mirror",
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-                  "flags": [
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@@ -327,13 +292,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                   "impl_url": "https://bugzil.la/1912511"
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                 "firefox_android": "mirror",
@@ -387,13 +345,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                 },
                 "firefox_android": "mirror",
@@ -447,13 +398,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -507,13 +451,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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                 "firefox_android": "mirror",
@@ -567,13 +504,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
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@@ -627,13 +557,6 @@
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-                      "value_to_set": "true"
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                 "firefox_android": "mirror",
@@ -687,13 +610,6 @@
                 "edge": "mirror",
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -747,13 +663,6 @@
                 "edge": "mirror",
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-                  "flags": [
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@@ -807,13 +716,6 @@
                 "edge": "mirror",
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@@ -867,13 +769,6 @@
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-                  "flags": [
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@@ -927,13 +822,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -987,13 +875,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -1047,13 +928,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -1107,13 +981,6 @@
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-                      "value_to_set": "true"
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@@ -1167,13 +1034,6 @@
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-                  "flags": [
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -1227,13 +1087,6 @@
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diff --git a/javascript/builtins/Temporal/PlainYearMonth.json b/javascript/builtins/Temporal/PlainYearMonth.json
index c9da0c54335a34..fb11ad739bf99c 100644
--- a/javascript/builtins/Temporal/PlainYearMonth.json
+++ b/javascript/builtins/Temporal/PlainYearMonth.json
@@ -27,13 +27,6 @@
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@@ -87,13 +80,6 @@
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@@ -147,13 +133,6 @@
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@@ -207,13 +186,6 @@
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@@ -267,13 +239,6 @@
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@@ -327,13 +292,6 @@
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -387,13 +345,6 @@
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@@ -447,13 +398,6 @@
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@@ -507,13 +451,6 @@
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-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
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@@ -567,13 +504,6 @@
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@@ -627,13 +557,6 @@
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@@ -687,13 +610,6 @@
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@@ -747,13 +663,6 @@
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@@ -807,13 +716,6 @@
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@@ -867,13 +769,6 @@
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@@ -927,13 +822,6 @@
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@@ -987,13 +875,6 @@
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@@ -1047,13 +928,6 @@
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@@ -1107,13 +981,6 @@
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@@ -1167,13 +1034,6 @@
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@@ -1227,13 +1087,6 @@
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-                      "value_to_set": "true"
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@@ -1287,13 +1140,6 @@
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@@ -1347,13 +1193,6 @@
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@@ -1407,13 +1246,6 @@
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@@ -1467,13 +1299,6 @@
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diff --git a/javascript/builtins/Temporal/ZonedDateTime.json b/javascript/builtins/Temporal/ZonedDateTime.json
index 43abcda0ce5746..78316d600c4272 100644
--- a/javascript/builtins/Temporal/ZonedDateTime.json
+++ b/javascript/builtins/Temporal/ZonedDateTime.json
@@ -27,13 +27,6 @@
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@@ -87,13 +80,6 @@
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@@ -147,13 +133,6 @@
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@@ -207,13 +186,6 @@
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@@ -267,13 +239,6 @@
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@@ -327,13 +292,6 @@
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@@ -387,13 +345,6 @@
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@@ -447,13 +398,6 @@
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@@ -507,13 +451,6 @@
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@@ -567,13 +504,6 @@
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@@ -627,13 +557,6 @@
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@@ -687,13 +610,6 @@
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@@ -747,13 +663,6 @@
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@@ -807,13 +716,6 @@
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@@ -867,13 +769,6 @@
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@@ -927,13 +822,6 @@
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@@ -987,13 +875,6 @@
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@@ -1047,13 +928,6 @@
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@@ -1107,13 +981,6 @@
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@@ -1167,13 +1034,6 @@
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@@ -1227,13 +1087,6 @@
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@@ -1287,13 +1140,6 @@
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@@ -1347,13 +1193,6 @@
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@@ -1407,13 +1246,6 @@
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@@ -1467,13 +1299,6 @@
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                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1527,13 +1352,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1587,13 +1405,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1647,13 +1458,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1707,13 +1511,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1767,13 +1564,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1827,13 +1617,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1887,13 +1670,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -1947,13 +1723,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2007,13 +1776,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2067,13 +1829,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2127,13 +1882,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2187,13 +1935,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2247,13 +1988,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2307,13 +2041,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2367,13 +2094,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2427,13 +2147,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2487,13 +2200,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2547,13 +2253,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2607,13 +2306,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2667,13 +2359,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2727,13 +2412,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2787,13 +2465,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2847,13 +2518,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2907,13 +2571,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -2967,13 +2624,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -3027,13 +2677,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",
@@ -3087,13 +2730,6 @@
                 "edge": "mirror",
                 "firefox": {
                   "version_added": "preview",
-                  "flags": [
-                    {
-                      "type": "preference",
-                      "name": "javascript.options.experimental.temporal",
-                      "value_to_set": "true"
-                    }
-                  ],
                   "impl_url": "https://bugzil.la/1912511"
                 },
                 "firefox_android": "mirror",


Reviews:
user: login: caugner
state: CHANGES_REQUESTED
author_association: CONTRIBUTOR
submitted_at: 2025-03-14T13:52:54Z
user: login: caugner
state: COMMENTED
author_association: CONTRIBUTOR
submitted_at: 2025-03-14T13:56:36Z
user: login: caugner
state: APPROVED
author_association: CONTRIBUTOR
submitted_at: 2025-03-14T13:56:51Z

Review comments:
diff_hunk: @@ -3052,14 +3052,7 @@
               "edge": "mirror",
               "firefox": {
                 "version_added": "preview",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "javascript.options.experimental.temporal",
-                    "value_to_set": "true"
-                  }
-                ],
-                "impl_url": "https://bugzil.la/1912511"
+                "impl_url": "https://bugzil.la/1946823"
path: javascript/builtins/Date.json
user: login: caugner
body: I think we should point to the shipping bug now: https://bugzilla.mozilla.org/show_bug.cgi?id=1912511

```suggestion
                "impl_url": "https://bugzil.la/1912511"
```
created_at: 2025-03-14T13:52:50Z
author_association: CONTRIBUTOR
diff_hunk: @@ -3052,14 +3052,7 @@
               "edge": "mirror",
               "firefox": {
                 "version_added": "preview",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "javascript.options.experimental.temporal",
-                    "value_to_set": "true"
-                  }
-                ],
-                "impl_url": "https://bugzil.la/1912511"
+                "impl_url": "https://bugzil.la/1946823"
path: javascript/builtins/Date.json
user: login: caugner
body: Fixed in [ac5e61b](https://github.com/mdn/browser-compat-data/pull/26212/commits/ac5e61b5c8fcf336c5175591eed72d5ce89322f1), since @Elchi3 wrote the same.
created_at: 2025-03-14T13:56:35Z
author_association: CONTRIBUTOR

PR comments:
user: login: Elchi3
created_at: 2025-03-14T11:42:56Z
body: I think https://bugzil.la/1912511 is the more useful impl_url to track the shipping of Temporal, what do you think?
author_association: MEMBER
user: login: dletorey
created_at: 2025-03-14T15:08:16Z
body: Thank you
author_association: CONTRIBUTOR