CSS @viewport, need more test in lower versions of Opera Mobile, and other mobile browsers.
Fix Firefox’ data on ::selection
Update webp.json

No IE11 support.
Add ::placeholder data
data update
Merge pull request #269 from porada/patch-1

Fix Firefox’ data on ::selection
Merge pull request #270 from mattbrundage/patch-3

Update webp.json
Merge pull request #272 from ai/css-placeholder

Add ::placeholder data
data update
data update
Remove -webkit- prefix for tab-size
addition of web midi api
data update
Merge pull request #273 from ai/tab-size

Remove -webkit- prefix for tab-size
Merge branch 'master' of https://github.com/Fyrd/caniuse
data update
Update ogv.json for Safari 7

No support for OGV in OS X Safari 7.0 or iOS 7 Safari.
IE 9 doesn't support ::placeholder
Changed spec status from 'wd' to 'cr'.
Included reference to a WebP polyfill for browsers with or without WebM support.

Provided reference to a WebP polyfill that's more all-encompassing in function; this particular polyfill enables support of the image format for browsers that currently do not support WebP with or without WebM support.