- CSS: Allow
line-height in <input type='button'>
- JS:
Console.count()
- JS: ES6 array and generator comprehensions
Firefox 29 (April 2014)
- New UI
- CSS: Unprefixed
box-shadow
Firefox 18 (Jan 2013)
- Faster JS compiler (IonMonkey)
- Mac retina support
- JS:
window.devicePixelRatio
- JS: unprefixed
ontouchstart
- HTML:
<input type='number'>
- HTML:
<input type='color'>
Firefox 17 (Nov 2012)
- No more support for Mac OSX 10.5 and below
- SVG
FillPaint and StrokePaint
- HTML
<iframe sandbox=...> (docs)
- Official support for Windows 8 (link)
Firefox 16 (Oct 2012)
- Web app support (docs)
- Unprefixed CSS animations, transitions, transforms, gradients
Firefox 15 (Aug 2012)
- Background updates
- SPDY v3
- Opus audio codec
- HTML
<audio played> (and <video>)
- HTML
<source media=...>
Firefox 14 (Jul 2012)
- Full screen support for OSX Lion
- JS pointer lock API (docs)
- JS display sleep API (docs)
Firefox 13 (Jun 2012)
- Smooth scrolling by default
- SPDY on by default
- CSS
column-fill (docs)
- ECMA 6
Map and Set
- CSS
background-position extended syntax
- CSS
:invalid
- CSS turn unit (
rotate(0.5turn))
Firefox 12 (Apr 2012)
- CSS
text-align-last (docs)
Firefox 11 (Mar 2012)
element.outerHTML (docs)- Dev tools: Style editor, 3D page inspector (docs)
- Unprefixed web sockets
- CSS
text-size-adjust (docs)
Firefox 10 (Jan 2012)
- CSS 3D transforms
- HTML
<bdi> element
- JS fullscreen API (docs)
- IndexedDB APIs
- Dev tools: CSS Style inspector
Firefox 9 (Dec 2011)
- Two-finger swipe in Mac OSX Lion
- CSS
font-stretch
- CSS improved
text-overflow
- JS
navigator.doNotTrack
Firefox 8 (Nov 2011)
Firefox 7 (Sep 2011)
- CSS
text-overflow: ellipsis
- Hidden
http:// prefix in address bar
Firefox 6 (Aug 2011)
- JS
window.matchMedia
- Websockets (!)
- JS EvetnSource / server-sent events
Firefox 5 (Jun 2011)
- CSS animations
- Background tab
setTimeout and setInterval clamped to 1000ms
Firefox 4 (Mar 2011)
- Do Not Track (DNT) header
- New JS endinge (JagerMonkey)
- Hardware-accelerated rendering
- WebM video
- OpenType ligatures/kerning/font variants
- CSS transitions partial support
- JS audio data API
- JS
mozRequestAnimationFrame
- HTML5 forms API
<video buffered>- HTML5 history API
- New HTML5 parser
- …
Firefox 3.6 (Jan 2010)
- CSS gradients
- CSS pointer events
- HTML drag & drop API
- HTML
<script async>
Reference