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Preview: The Burning Edge

The Burning Edge



Developments in nightly builds of Mozilla Firefox



Updated: 2014-07-12T20:29:44Z

 



Firefox Nightly 24, weeks 1-6

2014-07-12T20:29:44Z

Speed & memory: Fixed: 678037 - JS: Lazy bytecode generation. Fixed: 883154 - JS: Add runtime wide cache for compiled lazy scripts. Fixed: 875276 - JS: Don't create types for scripts until they are compiled by baseline. Fixed: 868431 - JS: IonMonkey: Require baseline compilation, remove bailout-to-interpreter code. Fixed: 845147 - Janky scrolling on pages […]Speed & memory: Fixed: 678037 - JS: Lazy bytecode generation. Fixed: 883154 - JS: Add runtime wide cache for compiled lazy scripts. Fixed: 875276 - JS: Don't create types for scripts until they are compiled by baseline. Fixed: 868431 - JS: IonMonkey: Require baseline compilation, remove bailout-to-interpreter code. Fixed: 845147 - Janky scrolling on pages with many small images. Fixed: 873640 - Read-ahead not actually being used on omni.ja. Fixed: 868441 - Bypass Cache When Lock Held Too Long. Fixed: 791670 - Preload the new tab page. Fixed: 846019 - Identify and aggregate extensions' compartments in about:memory. New web technologies: Fixed: 52500 - HTML: Make regular CSS properties apply on . Fixed: 674927 - HTML: Support spellcheck=false for contentEditable. Fixed: 549861 - CSS: Implement parsing of font feature properties. Fixed: 856410 - DOM: Implement promises. Fixed: 869996 - JS: Set.prototype.{keys, values, entries}. Fixed: 815431 - JS: String.prototype.repeat. Fixed: 881939 - Debugger: Enable source maps by default. Fixed: 833385 - WebVTT: Implement Track element and TextTrack* DOM classes. Fixed: 836599 - WebAudio: Implement OfflineAudioContext. Fixed: 815643 - WebAudio: Implement ConvolverNode. WebAudio API rollout status Security & privacy: Fixed: 842657 - CSP: Enable the CSP 1.0 parser. Fixed: 763879 - CSP: Implement blocking of inline stylesheets. Fixed: 880735 - Reimplement the plugin doorhanger with new click-to-play behavior. Other notable fixes: Fixed: 866880 - Implement "Close Tabs to the Right" as a built-in feature. Fixed: 600207 - SVG-as-image is fuzzy/pixelated when scaled or printed, when we trigger the tiling codepath. Fixed: 234485 - xml:lang is not used for font selection or hyphenation. Fixed: 602006 - Replace Error Console with Browser Console. Fixed: 827915 - Get rid of SVG's own invalidation mechanisms and rely on DLBI instead. Fixed: 823512 - Rewrite PeerConnection in JS-implemented WebIDL. Fixed: 856427 - [Windows] Add vsync support. Fixed: 794282 - [Linux] Enable GStreamer in official builds. Sources: @FirefoxNightly on Twitter All 4591 changes between FIREFOX_AURORA_23_BASE and FIREFOX_AURORA_24_BASE [...]



Firefox Nightly 23, weeks 1-6

2013-06-26T03:59:53Z

Speed & memory: Fixed: 805241 - JS: Merge the new baseline compiler. Fixed: 804676 - JS: Remove dependence of Ion compilation on ScriptAnalysis::analyzeTypes. Fixed: 825928 - Graphics: Layers refactoring. Fixed: 865546 - Graphics: Large scaled images in SVG's cause choppy scrolling. Fixed: 854803 - Graphics: Images on slow network continously use 1 full core. Fixed: […]Speed & memory: Fixed: 805241 - JS: Merge the new baseline compiler. Fixed: 804676 - JS: Remove dependence of Ion compilation on ScriptAnalysis::analyzeTypes. Fixed: 825928 - Graphics: Layers refactoring. Fixed: 865546 - Graphics: Large scaled images in SVG's cause choppy scrolling. Fixed: 854803 - Graphics: Images on slow network continously use 1 full core. Fixed: 600307 - Rewrite and cleanup DOMStorage code. Fixed: 566746 - Form history should use asynchronous storage API. Fixed: 697377 - Form Autocomplete should use asynchronous storage API. For more, read Taras's Snappy blog and MemShrink blog posts. New web technologies: Fixed: 765780 - Enable plugins and JavaScript in designMode. For more, read Firefox 23 for developers. Security & privacy: Fixed: 838692 - Don't allow navigating named targets from sandboxed iframes. Fixed: 549697 - Add click-to-play plugin UI to the addon manager. Fixed: 834836 - Turn on pref to block mixed active content. Other notable fixes: Fixed: 858538 - Download-attribute kills WebSocket connections. Fixed: 560072 - Object.getOwnPropertyDescriptor throws for many DOM objects. Fixed: 485149 - Using box-shadow on a
with does not follow box shape. Fixed: 857820 - Drop only blink effect from text-decoration: blink; and completely remove element. Fixed: 369180 - Proxy Authentication required while typing Search String. Fixed: 649216 - Remove unnecessary delay when clicking tab close buttons sequentially. Fixed: 636564 - [Mac] Lion-style floating scrollbars. Sources: @FirefoxNightly on Twitter All 4828 changes between FIREFOX_AURORA_22_BASE and FIREFOX_AURORA_23_BASE [...]



Firefox Nightly 22, weeks 1-6

2013-05-15T02:25:43Z

Speed & memory: Fixed: 840282 - Land OdinMonkey (asm optimizing compiler). Fixed: 759585 - Change the granularity of collection from compartment to zone. Fixed: 829747 - Do Async Canvas layers update. Fixed: 716859 - Streaming WebGL Buffers (Double-buffering, etc). Fixed: 751418 - Enable OpenGL acceleration on Skia. Fixed: 753768 - Move page thumbnails I/O off […] Speed & memory: Fixed: 840282 - Land OdinMonkey (asm optimizing compiler). Fixed: 759585 - Change the granularity of collection from compartment to zone. Fixed: 829747 - Do Async Canvas layers update. Fixed: 716859 - Streaming WebGL Buffers (Double-buffering, etc). Fixed: 751418 - Enable OpenGL acceleration on Skia. Fixed: 753768 - Move page thumbnails I/O off the main thread. Fixed: 716140 - Multithreaded image decoding. Fixed: 689623 - Layout needs to provide information on which images are visible or likely to be visible. Fixed: 810151 - Use readahead for ordered jar files such as omni.ja. Should be ~10% startup speedup. For more, read Taras's Snappy blog and Nick's MemShrink blog. New web technologies: Fixed: 629801 - HTML: Implement



Firefox Nightly 21, weeks 1-6

2013-04-08T20:42:39Z

Speed & memory: Fixed: 784591 - Don't leave around decoded image data for display: none images. Fixed: 836010 - When startup is determined to be slow, tell users about ways to improve their startup time. Fixed: 823147 - Avoid hitting D2D slow path when drawing radial gradients from css. Fixed: 821361 - JS: Optimize closures […] Speed & memory: Fixed: 784591 - Don't leave around decoded image data for display: none images. Fixed: 836010 - When startup is determined to be slow, tell users about ways to improve their startup time. Fixed: 823147 - Avoid hitting D2D slow path when drawing radial gradients from css. Fixed: 821361 - JS: Optimize closures that only run once. Fixed: 807853 - JS: Add parallel compilation mode. Fixed: 715419 - JS: Specialize Array.prototype.sort when given the comparator is "return arg1 - arg2". Fixed: 835417 - DOM: Mark DOM getters as pure when they are. Fixed: 239254 - [Linux] Support disk cache on a local path. For more, read Taras's Snappy blog and Nick's MemShrink blog. New web technologies: Fixed: 820508 - Add support for
element. Fixed: 508725 - Implement scoped stylesheets. Fixed: 440046 - Implement window.crypto.getRandomValues (secure PRNG). Fixed: 828261 - Implement window.location.origin. Fixed: 792263 - Implement decodeAudioData. Fixed: 796463 - Enable WebRTC's PeerConnection by default. For more, read Firefox 21 for developers. Security & privacy: Fixed: 838557 - Create and use a common interface for ASan/Valgrind memory handling functions. Fixed: 821892 - Click-to-play: "Page Info" -> Permissions needs to be aware of plugin permission differentiation. Fixed: 774315 - Click-to-play: Add "Hide this plugin" to context menu, to work around broken sites. Fixed: 822371 - Mixed content: Improved UI for users who have set security.mixed_content.block_active_content. Other notable fixes: Fixed: 833511 - Add rotation gesture support to image documents. Fixed: 765398 - Implement three-state UI for DNT (do not track me, okay to track me, decline to state). Fixed: 815640 - Make permission manager aware of "file://" (without dirty hacks). Fixed: 726275 - Shift-click on back/forward button doesn't load page. Fixed: 712763 - Session restore loads saved windows in reverse order. Fixed: 608735 - DOM: XMLHttpRequest's getAllResponseHeaders() returns null if the request is the result of CORS. Fixed: 838269 - DOM: Support cross-global |... instanceof DOMInterface|. Fixed: 777385 - DOM: Support Paris bindings objects that are either nsISupports or non-cycle-collected as weak map keys. Fixed: 818023 - JS: function.caller does not always work. Fixed: 786135 - JS: Make parseInt("042") === 42. Fixed: 827784 - [Windows] Provide an option to disable favicons on webpage shortcuts. Fixed: 837859 - [Windows] Enable Windows Media Foundation support for H.264 AAC, and MP3 playback on Windows 7 and later. Fixed: 813488 - [Windows] Enable metro browser build. All 4385 changes between FIREFOX_AURORA_20_BASE and FIREFOX_AURORA_21_BASE [...]



Firefox Nightly 20, weeks 1-6

2013-02-19T18:54:06Z

Speed & memory: Fixed: 816642 - Avoid fragmenting cache files. Fixed: 807021 - Move LocalStorage writes off the main thread. Fixed: 789932 - nsExternalAppHandler downloads files on the main thread. Fixed: 813559 - JS: enable off-thread ion compilation by default. Fixed: 747289 - JS: CSE on DOM getters when possible. Fixed: 808245 - JS regexp: […] Speed & memory: Fixed: 816642 - Avoid fragmenting cache files. Fixed: 807021 - Move LocalStorage writes off the main thread. Fixed: 789932 - nsExternalAppHandler downloads files on the main thread. Fixed: 813559 - JS: enable off-thread ion compilation by default. Fixed: 747289 - JS: CSE on DOM getters when possible. Fixed: 808245 - JS regexp: Use YARR's new MatchOnly JIT mode. Fixed: 717853 - Testing: Integrate DMD into the browser. For more, read Taras's Snappy blog and Nick's MemShrink blog. New web technologies: Fixed: 548206 - HTML: Implement the auto value for the HTML dir attribute. Fixed: 676619 - HTML: Implement proposed download attribute. Fixed: 769385 - HTML: Support . Fixed: 808148 - JS: Math.imul(). Fixed: 817368 - JS: Map.prototype.{keys,values,entries}. Fixed: 814562 - JS: WeakMap.clear(). Fixed: 795542 - JS Workers: StringEncoding API (TextDecoder and TextEncoder interfaces). Fixed: 617532 - DOM: UndoManager. Fixed: 564815 - DOM: Implement window.devicePixelRatio. Fixed: 654352 - DOM: Implement document.caretPositionFromPoint(). Fixed: 819741 - DOM: Support ArrayBufferView instances as parameters to XMLHttpRequest.send(). Fixed: 811701 - DOM: Move innerHTML/outerHTML/insertAdjacentHTML from HTMLElement to Element. Fixed: 779917 - Implement CSS.supports(). Fixed: 783409 - CSS flexbox. (No longer behind a pref.) Fixed: 793617 - CSS mask-type. Fixed: 818400, 648722 - CSS :scope (for the upcoming scoped stylesheets feature). Fixed: 329212 - Display the as a tooltip. Fixed: 803124 - Canvas: isPointInStroke(). Fixed: 748433 - Canvas: Extend compositing with blend modes. Fixed: 495040 - Video: Implement playbackRate and related bits. Fixed: 799315 - Video: Windows Media Foundation backend for media playback. Fixed: 825594 - WebRTC: Enable mozGetUserMedia. For more, read Firefox 20 for developers. Security & privacy: Fixed: 818732 - Switch Nightly to per-window private browsing. Fixed: 456884 - Provide a way to open a link into private browsing mode. Fixed: 810082 - Click-to-play: improve handling of invisible or hidden plugins (e.g. on music sites like Pandora). Fixed: 746374 - Click-to-play: differentiate by plugin type. Other notable fixes: Fixed: 675902 - New Downloads view for Places Library. Fixed: 433168 - Context menu is not shown for form buttons and select elements. Fixed: 614304 - ESC key stops animations and aborts XMLHttpRequest and WebSocket. (Jonas explains why) (Install SuperStop to make Shift+Esc do something similar.) Fixed: 786120 - There should be default action settings for each direction which can override current settings. Fixed: 263433 - Links in UI ('text-link' XUL widget) should open tabs rather than windows. Fixed: 814952 - SVG ellipse with stroke but no fill is not displayed. Fixed: 455165 - Firefox fails on chained ogg stream. Fixed: 731974 - requestAnimationFrame generates too short/long frames, especially at the beginning of animation. Fixed: 814101 - [Windows] Azure does not honor Windows cleartype setting. Fixed: 805591 - [Windows] Add UI to be shown when plugin is unresponsive. Fixed: 765215 - [Windows] Hangs on resuming from sleep. All 4260 changes between FIREFOX_AURORA_19_BASE and FIREFOX_AURORA_20_BASE [...]



Firefox Nightly 19, weeks 1-6

2013-01-28T04:25:13Z

Speed & memory: Fixed: 715402 - Wait until chrome is painted before executing code not critical to making the initial window visible. Fixed: 756313 - Don't load homepage URI before first paint. Fixed: 750417 - Closing a tab reflows the entire tab bar during the animation, making the animation crappy. Fixed: 811176 - Clean up […]

Speed & memory:

  • Fixed: 715402 - Wait until chrome is painted before executing code not critical to making the initial window visible.
  • Fixed: 756313 - Don't load homepage URI before first paint.
  • Fixed: 750417 - Closing a tab reflows the entire tab bar during the animation, making the animation crappy.
  • Fixed: 811176 - Clean up JIT code more aggressively.

For more, read Taras's Snappy blog and Nick's MemShrink blog.

New web technologies:

For more, read Firefox 19 for developers.

Security improvements:

  • Fixed: 799009 - Remove support for obsolete SSL-related warning prompts.
  • Fixed: 788653 - Make enablePrivilege pref name more dire.
  • Fixed: 801576 - Align Gecko and the spec on cross-origin access to window.history.
  • Fixed: 803181 - Change update background download interval from 10 minutes to 1 minute and update check interval from 24 hours to 12 hours.

Other notable fixes:

  • Fixed: 661881 - Implement about:telemetry.
  • Fixed: 486918 - [Windows, Linux] Improve image downscaling.

All 3995 changes between FIREFOX_AURORA_18_BASE and FIREFOX_AURORA_19_BASE