Bug: Firefox has an abnormally high memory usage
Status: RESOLVED
Priority: --
Resolution: WORKSFORME
Created: 2021-02-12 18:42:44+00:00
Resolved: 2021-03-18 09:24:24+00:00

User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:85.0) Gecko/20100101 Firefox/85.0

Steps to reproduce:

I opened this page https://www.reddit.com/r/firefox/comments/kcd4e6/potential_memory_leak/ and after a few minutes memory consumption reached 6GB! Consequently it dramatically slows down my computer


Actual results:

Application Basics
------------------

Name: Firefox
Version: 85.0.2
Build ID: 20210208133944
Distribution ID:
Update Channel: release
User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:85.0) Gecko/20100101 Firefox/85.0
OS: Windows_NT 6.1 7601
Launcher Process: Enabled
Multiprocess Windows: 1/1
Fission Windows: 0/1 Disabled by default
Remote Processes: 7
Enterprise Policies: Inactive
Google Location Service Key: Found
Google Safebrowsing Key: Found
Mozilla Location Service Key: Found
Safe Mode: false

Crash Reports for the Last 3 Days
---------------------------------

Firefox Features
----------------

Name: DoH Roll-Out
Version: 2.0.0
ID: doh-rollout@mozilla.org

Name: Firefox Screenshots
Version: 39.0.0
ID: screenshots@mozilla.org

Name: Form Autofill
Version: 1.0
ID: formautofill@mozilla.org

Name: Reset Search Defaults
Version: 1.0.3
ID: reset-search-defaults@mozilla.com

Name: Web Compatibility Interventions
Version: 18.2.0
ID: webcompat@mozilla.org

Name: WebCompat Reporter
Version: 1.4.0
ID: webcompat-reporter@mozilla.org

Remote Processes
----------------

Type: Web Content
Count: 3 / 8

Type: Extension
Count: 1

Type: Privileged About
Count: 1

Type: Preallocated
Count: 1

Type: GPU
Count: 1

Add-ons
-------

Name: Woordenboek Nederlands
Type: dictionary
Version: 3.1.2.1webext
Enabled: true
ID: nl-NL@dictionaries.addons.mozilla.org

Name: Adblock Plus - free ad blocker
Type: extension
Version: 3.10.2
Enabled: true
ID: {d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}

Name: Amazon.com
Type: extension
Version: 1.3
Enabled: true
ID: amazondotcom@search.mozilla.org

Name: Bing
Type: extension
Version: 1.3
Enabled: true
ID: bing@search.mozilla.org

Name: Cisco Webex Extension
Type: extension
Version: 1.8.0
Enabled: true
ID: ciscowebexstart1@cisco.com

Name: DuckDuckGo
Type: extension
Version: 1.1
Enabled: true
ID: ddg@search.mozilla.org

Name: eBay
Type: extension
Version: 1.3
Enabled: true
ID: ebay@search.mozilla.org

Name: Facebook Container
Type: extension
Version: 2.1.2
Enabled: true
ID: @contain-facebook

Name: Google
Type: extension
Version: 1.1
Enabled: true
ID: google@search.mozilla.org

Name: Wikipedia (en)
Type: extension
Version: 1.1
Enabled: true
ID: wikipedia@search.mozilla.org

Name: Nederlands (NL) Language Pack
Type: locale
Version: 85.0buildid20210118153634
Enabled: true
ID: langpack-nl@firefox.mozilla.org

Graphics
--------

Features
Compositing: WebRender
Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; autoscroll enabled; smooth pinch-zoom enabled
WebGL 1 Driver WSI Info: EGL_VENDOR: Google Inc. (adapter LUID: 00000000000086ea) EGL_VERSION: 1.4 (ANGLE 2.1.0.fa5e0bac2b3b) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_ANGLE_image_d3d11_texture EGL_ANGLE_create_context_backwards_compatible EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_explicit_context EGL_ANGLE_feature_control IsWebglOutOfProcessEnabled: 0
WebGL 1 Driver Renderer: Google Inc. -- ANGLE (AMD RADEON HD 6450 Direct3D11 vs_5_0 ps_5_0)
WebGL 1 Driver Version: OpenGL ES 2.0.0 (ANGLE 2.1.0.fa5e0bac2b3b)
WebGL 1 Driver Extensions: GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_explicit_context GL_ANGLE_explicit_context_gles1 GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_multiview_multisample GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_lose_context GL_CHROMIUM_sync_query GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_depth24 GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_3D GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object OES_compressed_EAC_R11_signed_texture OES_compressed_EAC_R11_unsigned_texture OES_compressed_EAC_RG11_signed_texture OES_compressed_EAC_RG11_unsigned_texture OES_compressed_ETC2_RGB8_texture OES_compressed_ETC2_RGBA8_texture OES_compressed_ETC2_punchthroughA_RGBA8_texture OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture OES_compressed_ETC2_sRGB8_alpha8_texture OES_compressed_ETC2_sRGB8_texture
WebGL 1 Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_float_blend EXT_frag_depth EXT_shader_texture_lod EXT_sRGB EXT_texture_compression_bptc EXT_texture_filter_anisotropic MOZ_debug OES_element_index_uint OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context
WebGL 2 Driver WSI Info: EGL_VENDOR: Google Inc. (adapter LUID: 00000000000086ea) EGL_VERSION: 1.4 (ANGLE 2.1.0.fa5e0bac2b3b) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_ANGLE_image_d3d11_texture EGL_ANGLE_create_context_backwards_compatible EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_explicit_context EGL_ANGLE_feature_control IsWebglOutOfProcessEnabled: 0
WebGL 2 Driver Renderer: Google Inc. -- ANGLE (AMD RADEON HD 6450 Direct3D11 vs_5_0 ps_5_0)
WebGL 2 Driver Version: OpenGL ES 3.0.0 (ANGLE 2.1.0.fa5e0bac2b3b)
WebGL 2 Driver Extensions: GL_ANGLE_client_arrays GL_ANGLE_copy_texture_3d GL_ANGLE_depth_texture GL_ANGLE_explicit_context GL_ANGLE_explicit_context_gles1 GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_multiview_multisample GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_multisample GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_lose_context GL_CHROMIUM_sync_query GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_color_buffer_float GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_norm16 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_EGL_image_external_essl3 GL_OES_depth24 GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_3D GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object GL_OVR_multiview GL_OVR_multiview2 OES_compressed_EAC_R11_signed_texture OES_compressed_EAC_R11_unsigned_texture OES_compressed_EAC_RG11_signed_texture OES_compressed_EAC_RG11_unsigned_texture OES_compressed_ETC2_RGB8_texture OES_compressed_ETC2_RGBA8_texture OES_compressed_ETC2_punchthroughA_RGBA8_texture OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture OES_compressed_ETC2_sRGB8_alpha8_texture OES_compressed_ETC2_sRGB8_texture
WebGL 2 Extensions: EXT_color_buffer_float EXT_float_blend EXT_texture_compression_bptc EXT_texture_filter_anisotropic MOZ_debug OES_texture_float_linear OVR_multiview2 WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context
Direct2D: true
Uses Tiling (Content): true
Off Main Thread Painting Enabled: true
Off Main Thread Painting Worker Count: 3
Target Frame Rate: 60
DirectWrite: true (6.2.9200.17568)
GPU #1
Active: Yes
Description: AMD RADEON HD 6450
Vendor ID: 0x1002
Device ID: 0x6779
Driver Version: 8.863.0.0
Driver Date: 6-28-2011
Drivers: aticfx64 aticfx64 aticfx64 aticfx32 aticfx32 aticfx32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64
Subsys ID: 00000000
RAM: 1024
GPU #2
Active: No
RAM: 0
Diagnostics
AzureCanvasBackend: direct2d 1.1
AzureCanvasBackend (UI Process): skia
AzureContentBackend: skia
AzureContentBackend (UI Process): skia
AzureFallbackCanvasBackend (UI Process): none
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Display0: 1920x1080@60Hz
DisplayCount: 1
HardwareStretching: both=0 window-only=0 full-screen-only=0 none=0 error=1
GPUProcessPid: 3544
ClearType Parameters: Gamma: 1,8 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 50
Decision Log
HW_COMPOSITING:
available by default
D3D11_COMPOSITING:
available by default
DIRECT2D:
available by default
D3D11_HW_ANGLE:
available by default
GPU_PROCESS:
available by default
WEBRENDER:
available by default
WEBRENDER_QUALIFIED:
available by default
WEBRENDER_COMPOSITOR:
available by default
unavailable by runtime: No DirectComposition usage
WEBRENDER_PARTIAL:
available by default
WEBRENDER_ANGLE:
available by default
WEBRENDER_DCOMP_PRESENT:
available by default
unavailable by env: Requires Windows 10 or later
WEBRENDER_SOFTWARE:
available by default
disabled by env: Overriden by qualified hardware
OMTP:
available by default
ADVANCED_LAYERS:
disabled by default: Disabled by default
blocked by env: Blocked from fallback candidate by WebRender usage
WEBGPU:
disabled by default: Disabled by default
blocked by runtime: WebGPU can only be enabled in nightly




Media
-----

Audio Backend: wasapi
Max Channels: 2
Preferred Sample Rate: 44100
Roundtrip latency (standard deviation): ...
Output Devices
Name: Group
Speakers (Plantronics C325): USB\VID_047F&PID_C028&MI_00\7&30b7b960&0&0000
Headphones (Conexant HD Audio): HDAUDIO\FUNC_01&VEN_14F1&DEV_50A1&SUBSYS_102804ED&REV_1001\4&19ffb79c&0&0201
AMD HDMI Output (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1002\5&69b9c60&0&0001
Speakers (Conexant HD Audio): HDAUDIO\FUNC_01&VEN_14F1&DEV_50A1&SUBSYS_102804ED&REV_1001\4&19ffb79c&0&0201
Input Devices
Name: Group
Internal AUX Jack (Conexant HD Audio): HDAUDIO\FUNC_01&VEN_14F1&DEV_50A1&SUBSYS_102804ED&REV_1001\4&19ffb79c&0&0201
Front Input (Conexant HD Audio): HDAUDIO\FUNC_01&VEN_14F1&DEV_50A1&SUBSYS_102804ED&REV_1001\4&19ffb79c&0&0201
Rear Input (Conexant HD Audio): HDAUDIO\FUNC_01&VEN_14F1&DEV_50A1&SUBSYS_102804ED&REV_1001\4&19ffb79c&0&0201
Stereo Mix (Conexant HD Audio): HDAUDIO\FUNC_01&VEN_14F1&DEV_50A1&SUBSYS_102804ED&REV_1001\4&19ffb79c&0&0201
Microphone (Philips SPC1000NC PC Camera; Audio (Microphone)): USB\VID_0471&PID_0332&MI_02\7&241e43c2&0&0002
Front Microphone (Conexant HD Audio): HDAUDIO\FUNC_01&VEN_14F1&DEV_50A1&SUBSYS_102804ED&REV_1001\4&19ffb79c&0&0201
Sidetone (Plantronics C325): USB\VID_047F&PID_C028&MI_00\7&30b7b960&0&0000
Microphone (Philips SPC 1000NC Webcam): USB\VID_0471&PID_0332&MI_02\7&7e44268&0&0002
Microphone (USB Audio Device): USB\VID_0471&PID_0332&MI_02\7&39dfcdf&0&0002
Microphone (Plantronics C325): USB\VID_047F&PID_C028&MI_00\7&30b7b960&0&0000
Rear Microphone (Conexant HD Audio): HDAUDIO\FUNC_01&VEN_14F1&DEV_50A1&SUBSYS_102804ED&REV_1001\4&19ffb79c&0&0201
Rear Line In (Conexant HD Audio): HDAUDIO\FUNC_01&VEN_14F1&DEV_50A1&SUBSYS_102804ED&REV_1001\4&19ffb79c&0&0201

Enumerate database

Environment Variables
---------------------

MOZ_APP_RESTART: 1
MOZ_CRASHREPORTER_DATA_DIRECTORY: C:\Users\JohnnyBee\AppData\Roaming\Mozilla\Firefox\Crash Reports
MOZ_CRASHREPORTER_EVENTS_DIRECTORY: C:\Users\JohnnyBee\AppData\Roaming\Mozilla\Firefox\Profiles\ji1t6j3x.default-1591544071892\crashes\events
MOZ_CRASHREPORTER_PING_DIRECTORY: C:\Users\JohnnyBee\AppData\Roaming\Mozilla\Firefox\Pending Pings
MOZ_CRASHREPORTER_RESTART_ARG_0: C:\Program Files\Mozilla Firefox\firefox.exe
MOZ_CRASHREPORTER_STRINGS_OVERRIDE: C:\Program Files\Mozilla Firefox\browser\crashreporter-override.ini

Experimental Features
---------------------

about:home startup cache (browser.startup.homepage.abouthome_cache.enabled): false
Cookies: SameSite=Lax by default (network.cookie.sameSite.laxByDefault): false
Cookies: SameSite=None requires secure attribute (network.cookie.sameSite.noneRequiresSecure): false
Cookies: Schemeful SameSite (network.cookie.sameSite.schemeful): false
CSS: Constructable Stylesheets (layout.css.constructable-stylesheets.enabled): false
CSS: Pseudo-class: :focus-visible (layout.css.focus-visible.enabled): true
CSS: Masonry Layout (layout.css.grid-template-masonry-value.enabled): false
Developer Tools: Color Scheme Simulation (devtools.inspector.color-scheme-simulation.enabled): false
Developer Tools: Compatibility Panel (devtools.inspector.compatibility.enabled): false
Developer Tools: Execution Context Selector (devtools.webconsole.input.context): false
Developer Tools: Service Worker debugging (devtools.debugger.features.windowless-service-workers): false
Fission (Site Isolation) (fission.autostart): false
Media: AVIF (image.avif.enabled): false
Multiple Picture-in-Picture Support (media.videocontrols.picture-in-picture.allow-multiple): false
Print Preview Redesign (print.tab_modal.enabled): true
Web API: beforeinput Event (dom.input_events.beforeinput.enabled): false
Web API: inputmode (dom.forms.inputmode): false
Web API: <link rel="preload"> (network.preload): true
Web API: WebGPU (dom.webgpu.enabled): false
WebRTC Global Mute Toggles (privacy.webrtc.globalMuteToggles): false

Important Modified Preferences
------------------------------

accessibility.browsewithcaret: true
accessibility.typeaheadfind.flashBar: 0
browser.cache.disk.amount_written: 1439006
browser.cache.disk.capacity: 1044480
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.hashstats_reported: 1
browser.contentblocking.category: standard
browser.download.folderList: 2
browser.search.region: NL
browser.sessionstore.upgradeBackup.latestBuildID: 20210208133944
browser.startup.homepage_override.buildID: 20210208133944
browser.startup.homepage_override.mstone: 85.0.2
browser.tabs.loadInBackground: false
browser.tabs.warnOnClose: false
browser.urlbar.placeholderName: Google
browser.urlbar.tipShownCount.searchTip_onboard: 4
browser.urlbar.tipShownCount.searchTip_redirect: 4
browser.urlbar.tipShownCount.tabToSearch: 30
doh-rollout.balrog-migration-done: true
doh-rollout.doneFirstRun: true
dom.push.userAgentID: ec3e6a1fdbd64b1994b521001b38beaa
extensions.formautofill.addresses.usage.hasEntry: false
extensions.lastAppVersion: 85.0.2
font.size.variable.x-western: 14
gfx.crash-guard.status.wmfvpxvideo: 2
gfx.crash-guard.wmfvpxvideo.appVersion: 85.0.2
gfx.crash-guard.wmfvpxvideo.deviceID: 0x6779
gfx.crash-guard.wmfvpxvideo.driverVersion: 8.863.0.0
idle.lastDailyNotification: 1612605150
layers.mlgpu.sanity-test-failed: true
media.gmp-gmpopenh264.abi: x86_64-msvc-x64
media.gmp-gmpopenh264.lastUpdate: 1591544213
media.gmp-gmpopenh264.version: 1.8.1.1
media.gmp-manager.buildID: 20210118153634
media.gmp-manager.lastCheck: 1613154658
media.gmp-widevinecdm.abi: x86_64-msvc-x64
media.gmp-widevinecdm.lastUpdate: 1591544214
media.gmp-widevinecdm.version: 4.10.1582.2
media.gmp.storage.version.observed: 1
media.hardware-video-decoding.failed: false
network.trr.blocklist_cleanup_done: true
places.database.lastMaintenance: 1612605153
places.history.expiration.transient_current_max_pages: 153901
plugin.flash.lastmod_hi: 373
plugin.flash.lastmod_lo: -862484009
privacy.purge_trackers.date_in_cookie_database: 0
privacy.purge_trackers.last_purge: 1612605151585
privacy.sanitize.pending: [{"id":"newtab-container","itemsToClear":[],"options":{}}]
privacy.userContext.enabled: true
privacy.userContext.extension: @contain-facebook
privacy.userContext.ui.enabled: true
security.remote_settings.crlite_filters.checked: 1613154891
security.remote_settings.intermediates.checked: 1613154891
security.sandbox.content.tempDirSuffix: {314cabbd-61d0-4821-904a-521baa46a1f8}
security.sandbox.plugin.tempDirSuffix: {14e76a04-da46-456a-bc48-21c7bf5e8106}
services.sync.declinedEngines: prefs
services.sync.engine.creditcards: true
services.sync.engine.prefs: false
services.sync.engine.prefs.modified: false
services.sync.lastPing: 1613154246
services.sync.lastSync: Fri Feb 12 2021 19:34:48 GMT+0100 (Central European Standard Time)
signon.importedFromSqlite: true
signon.suggestImportCount: 0
signon.usage.hasEntry: true
signon.usage.lastUsed: 1609082573
storage.vacuum.last.index: 1
storage.vacuum.last.places.sqlite: 1611951579

Important Locked Preferences
----------------------------

fission.autostart: false
fission.autostart.session: false

Places Database
---------------

Accessibility
-------------

Activated: false
Prevent Accessibility: 0
Accessible Handler Used: true
Accessibility Instantiator:

Library Versions
----------------

NSPR
Expected minimum version: 4.29
Version in use: 4.29

NSS
Expected minimum version: 3.60.1
Version in use: 3.60.1

NSSSMIME
Expected minimum version: 3.60.1
Version in use: 3.60.1

NSSSSL
Expected minimum version: 3.60.1
Version in use: 3.60.1

NSSUTIL
Expected minimum version: 3.60.1
Version in use: 3.60.1

Sandbox
-------

Content Process Sandbox Level: 6
Effective Content Process Sandbox Level: 6

Startup Cache
-------------

Disk Cache Path: C:\Users\JohnnyBee\AppData\Local\Mozilla\Firefox\Profiles\ji1t6j3x.default-1591544071892\startupCache\startupCache.8.little
Ignore Disk Cache: false
Found Disk Cache on Init: false
Wrote to Disk Cache: true

Internationalization & Localization
-----------------------------------

Application Settings
Requested Locales: ["en-US"]
Available Locales: ["en-US","nl"]
App Locales: ["en-US"]
Regional Preferences: ["en-US"]
Default Locale: "en-US"
Operating System
System Locales: ["en-US"]
Regional Preferences: ["nl-NL"]

Printing
--------

Modified print settings
-----------------------

print_printer: doPDF 10
print.printer_Canon_MP180_Printer.print_bgcolor: false
print.printer_Canon_MP180_Printer.print_bgimages: false
print.printer_Canon_MP180_Printer.print_duplex: 0
print.printer_Canon_MP180_Printer.print_edge_bottom: 0
print.printer_Canon_MP180_Printer.print_edge_left: 0
print.printer_Canon_MP180_Printer.print_edge_right: 0
print.printer_Canon_MP180_Printer.print_edge_top: 0
print.printer_Canon_MP180_Printer.print_footercenter:
print.printer_Canon_MP180_Printer.print_footerleft: &PT
print.printer_Canon_MP180_Printer.print_footerright: &D
print.printer_Canon_MP180_Printer.print_headercenter:
print.printer_Canon_MP180_Printer.print_headerleft: &T
print.printer_Canon_MP180_Printer.print_headerright: &U
print.printer_Canon_MP180_Printer.print_in_color: true
print.printer_Canon_MP180_Printer.print_margin_bottom: 0.5
print.printer_Canon_MP180_Printer.print_margin_left: 0.5
print.printer_Canon_MP180_Printer.print_margin_right: 0.5
print.printer_Canon_MP180_Printer.print_margin_top: 0.5
print.printer_Canon_MP180_Printer.print_orientation: 0
print.printer_Canon_MP180_Printer.print_page_delay: 50
print.printer_Canon_MP180_Printer.print_paper_height: 296.968
print.printer_Canon_MP180_Printer.print_paper_id: 9
print.printer_Canon_MP180_Printer.print_paper_size_unit: 1
print.printer_Canon_MP180_Printer.print_paper_width: 209.973
print.printer_Canon_MP180_Printer.print_resolution: 600
print.printer_Canon_MP180_Printer.print_reversed: false
print.printer_Canon_MP180_Printer.print_scaling: 1
print.printer_Canon_MP180_Printer.print_shrink_to_fit: true
print.printer_Canon_MP180_Printer.print_to_file: false
print.printer_Canon_MP180_Printer.print_to_filename:
print.printer_Canon_MP180_Printer.print_unwriteable_margin_bottom: 20
print.printer_Canon_MP180_Printer.print_unwriteable_margin_left: 13
print.printer_Canon_MP180_Printer.print_unwriteable_margin_right: 13
print.printer_Canon_MP180_Printer.print_unwriteable_margin_top: 12
print.printer_doPDF_10.print_bgcolor: false
print.printer_doPDF_10.print_bgimages: false
print.printer_doPDF_10.print_duplex: 0
print.printer_doPDF_10.print_edge_bottom: 0
print.printer_doPDF_10.print_edge_left: 0
print.printer_doPDF_10.print_edge_right: 0
print.printer_doPDF_10.print_edge_top: 0
print.printer_doPDF_10.print_footercenter:
print.printer_doPDF_10.print_footerleft: &PT
print.printer_doPDF_10.print_footerright: &D
print.printer_doPDF_10.print_headercenter:
print.printer_doPDF_10.print_headerleft: &T
print.printer_doPDF_10.print_headerright: &U
print.printer_doPDF_10.print_in_color: true
print.printer_doPDF_10.print_margin_bottom: 0.5
print.printer_doPDF_10.print_margin_left: 0.5
print.printer_doPDF_10.print_margin_right: 0.5
print.printer_doPDF_10.print_margin_top: 0.5
print.printer_doPDF_10.print_orientation: 0
print.printer_doPDF_10.print_page_delay: 50
print.printer_doPDF_10.print_paper_height: 297.011
print.printer_doPDF_10.print_paper_id: 9
print.printer_doPDF_10.print_paper_size_unit: 1
print.printer_doPDF_10.print_paper_width: 209.973
print.printer_doPDF_10.print_resolution: 300
print.printer_doPDF_10.print_reversed: false
print.printer_doPDF_10.print_scaling: 1
print.printer_doPDF_10.print_shrink_to_fit: true
print.printer_doPDF_10.print_to_file: false
print.printer_doPDF_10.print_to_filename:
print.printer_doPDF_10.print_unwriteable_margin_bottom: 0
print.printer_doPDF_10.print_unwriteable_margin_left: 0
print.printer_doPDF_10.print_unwriteable_margin_right: 0
print.printer_doPDF_10.print_unwriteable_margin_top: 0