Notable fixes:

• Fixed: 422540 - GStreamer backend for HTML5 video element.
• Fixed: 695480 - Remove support for Chrome -> Content leaks. (khuey’s blog post)
• Fixed: 742419 - Implement new identity block design (lighter weight with a generic icon).
• Fixed: 711618 - Implement basic click-to-play permission model for plugins.
• Fixed: 718539 - Update syntax used for -moz-font-feature-settings.
• Fixed: 735898 - BuildDisplayList takes too long on CNN.com.
• Fixed: 735543 - Overlap TCP/SSL handshake with typing in search box. (Patrick's blog post)
• Fixed: 729133 - Preconnect http sessions before cache lookup.
• Fixed: 732820 - Cap to the amount of memory used by decoded images.
• Fixed: 743590 - [Azure] League Of Legends website has big black bars on either side.
• Fixed: 578771 - Contenteditable element breaks word selection on all other input elements of the page.
• Fixed: 720641 - Dev tools: Integrate GCLI into developer tools global toolbar.
• Fixed: 683954 - Dev tools: Implement an abstract view of the layout of the selected node.
• Fixed: 278860 - Show the correct error message when the profile is missing.

Backouts:

• Backed out: 673470 - Replace the sqlite safeb store with a flat file.

All 698 changes between 2012-04-19 nightly and 2012-04-28 nightly

Nightly builds (discussion)

Notable fixes:

• Fixed: 633602 - Implement Pointer Lock API.
• Fixed: 641821 - Implement mutation observers, a replacement for mutation events.
• Fixed: 726444 - Implement the Downloads Panel.
• Fixed: 711552 - Create click to play UI for plugins on desktop.
• Fixed: 632634 - Use longer hover link popup for long URLs.
• Fixed: 482057 - When the Find bar is focused, keyboard scrolling is not smooth.
• Fixed: 740069 - Land Paris Bindings and use them for XMLHttpRequest.
• Fixed: 710259 - New Safari migrator (OS X & Windows).
• Fixed: 710727 - Share character map between fonts with identical coverage.
• Fixed: 716142 - GC: Allow multi-compartment GCs.
• Fixed: 724352 - Extra scrollbar on overflow:auto blog post.

All 1303 changes between 2012-03-30 nightly and 2012-04-19 nightly

Nightly builds (discussion)

Notable fixes:

• Fixed: 639705 - [Mac] Integrate with Lion's fullscreen features.
• Fixed: 482057 - When the Ctrl+F Find bar is enabled and the Find text box is focused, smooth scrolling does not work.
• Fixed: 714712 - Add built-in PDF support to Firefox with PDF.js.
• Fixed: 231162 - Text-transform is not using language dependent casing rules.
• Fixed: 726734 - Flash video does not play when flashblock is installed.
• Fixed: 599164 - Pipeline according to transaction type and known server state.
• Fixed: 720126 - Find in Page: always centering highlighted result makes it hard to see relative positions of multiple results.
• Fixed: 734079 - Update SVG frame bounds asynchronously, and get rid of the suspendRedraw code.
• Fixed: 714302 - Add support for HTTP status code 308.

Backouts:

• Fixed: 738804 - Back out keyword.URL prompting changes.

All 939 changes between 2012-03-18 nightly and 2012-03-30 nightly

Nightly builds (discussion)

Notable fixes:

• Fixed: 735187 - Re-enable inline autocomplete.
• Fixed: 206438 - Smooth scrolling should use the 'smoothwheel' algorithm.
• Fixed: 633773 - Use Google's HTTPS search by default.
• Fixed: 711193 - Turn on "don't load tabs until selected" by default (for session restore).
• Fixed: 697006 - Add desktop support for the Open Web Apps API.
• Fixed: 720023 - Context menus for selected URLs should be the identical as for links.
• Fixed: 713052 - Add preference for disabling alt+click or alt+enter to save links, and disable it by default.
• Fixed: 618876 - Support internationalized <input type="email">.
• Fixed: 711157 - about:home - Visual Refresh & Launcher.
• Fixed: 729878 - about:newtab - new layout.
• Fixed: 627616 - Font-face fonts not loaded over authenticating proxy.
• Fixed: 651192 - Implement new AsyncDrawing model for plugins.
• Fixed: 729009 - Send plugin src as plugin sub-request's referer.
• Fixed: 699014 - Toolkit alerts shouldn't be displayed if the user's in a fullscreen app or presentation mode.
• Fixed: 637099 - Remove JS_ClearScope calls on windows.
• Fixed: 728686 - Perf: JS_NewPropertyIterator disables IGC.
• Fixed: 705594 - Perf: Optimize system font fallback.
• Fixed: 705877 - Perf: Implement short-circuiting of some sort for descendant selectors.
• Fixed: 729940 - Perf: Stop using crappy hashing functions in Gecko.
• Fixed: 732820 - Mem: Cap to the amount of memory used by decoded images.
• Fixed: 731419 - Mem: Discard image data immediately when a tab is closed.
• Fixed: 713799 - Support: Rearrange the "window-objects" sub-tree in about:memory to make per-tab memory usage more obvious.
• Fixed: 718088 - Support: Offer to re-set keyword.URL if it has a non-default value.
• Fixed: 717070 - Support: Create button to initiate migration to a clean Firefox profile.
• Fixed: 452393 - [Linux] Accelerators should not be affected by keyboard layout Part Deux.

Backouts:

• Fixed: 734946 - Disable incremental GC for Firefox 13. (See bug 735099 for re-enabling IGC.)

All 1964 changes between 2012-02-26 nightly and 2012-03-18 nightly

Nightly builds (discussion)

Notable fixes:

• Fixed: 641025 - Incremental GC.
• Fixed: 469434 - Links in "view source" should have "copy link location" in context menu.
• Fixed: 669845 - The quick find bar causes a zombie compartment that lives until the next search (only on pages with onclick handlers).
• Fixed: 633427 - Clearing cookies launches instance of plugin-container for each plugin installed.
• Fixed: 613588 - Make livemarks asynchronous and load-on-demand.
• Fixed: 725700 - Keyboard arrow keys and scrollbar buttons should have consistent scrolling distances.
• Fixed: 724476 - WebGL noticeably slower recently on Firefox 12 & 13.
• Fixed: 585813 - Script Timeout at tabbrowser.xml:1457 when closing tabs.
• Fixed: 699974 - Scripts evaluated from plugins may prevent the slow script dialog from ever appearing.
• Fixed: 522607 - Accept CSS3 background-position values like "bottom 10px right 10px".
• Fixed: 720208 - Implement DOM4 DOMException types and codes.
• Fixed: 721319 - PlacesUtils.removeLazyBookmarkObserver() doesn't always remove observers, causes browser window to leak.
• Fixed: 728230 - Adding a bookmark and opening a new window and closing the old one causes runtime leaks.
• Fixed: 702300 - Add about:compartments page that just lists live JS compartments.
• Fixed: 728429 - [Windows] Mandatory ASLR for binary components. (kyle's blog post)
• Fixed: 702225 - [Windows] Implement revised nav bar button appearance.
• Fixed: 674370 - [Mac] Support animation when opening windows in Lion.

All 732 changes between 2012-02-17 nightly and 2012-02-26 nightly

Nightly builds (discussion)

Notable fixes:

• Fixed: 697762 - Land the JavaScript debugger. (past's blog post)
• Fixed: 724563 - Enable SPDY by default. (patrick's blog post)
• Fixed: 716538 - Enable the New Tab Page by default.
• Fixed: 235853 - Defer proxy resolution for HTTP and HTTPS PAC to avoid blocking main thread during DNS resolution.
• Fixed: 90268 - Move plugins to content - plugins should withstand a reframe of the object frame.
• Fixed: 698519 - Update to libjpeg-turbo 1.2.
• Fixed: 718939 - Java applet causes text entry fields to become semi-unresponsive.
• Fixed: 715308 - Decode ::Draw()'n images before other images.
• Fixed: 627616 - @font-face fonts not loaded over authenticating proxy.
• Fixed: 631250 - Status overlay switches to right side of window when find bar is open.
• Fixed: 629200 - Redesign how we send change notifications from SVG types.
• Fixed: 695482 - "Search Google for <selection>" should open in the foreground, not be governed by loadInBackground preference.
• Fixed: 727131 - Add hidden pref to allow "Search Google for" tabs to open in background.
• Fixed: 542938 - Add hidden pref to disable oncopy, oncut & onpaste event handling.
• Fixed: 673470 - Replace the sqlite safeb store with a flat file.
• Fixed: 294260 - Auto detect previous start-up failure and offer to start in safe mode.
• Fixed: 394769 - JS: setTimeout/setInterval "lateness" argument breaks expected behavior.
• Fixed: 700822 - JS: JIT hardening option and win32 ExecutableAllocator randomization.
• Fixed: 699565 - JS: Implement Harmony for-of loops.
• Fixed: 563318 - [Windows] Switch to Visual C++ 2010.

All 1244 changes between 2012-01-31 nightly and 2012-02-17 nightly

Nightly builds (discussion)