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  • $42,000 Prosthetic Hand Outperformed By $50 3D Printed Hand An anonymous reader writes "A man named Jose Delgado was so used to using a $42,000 myoelectric prosthetic hand for the last year that he didn't realize that there were other options out there... 2014-04-21T00:18:00Z
  • Biofuels From Corn Can Create More Greenhouse Gases Than Gasoline New submitter Chipmunk100 (3619141) writes "Using corn crop residue to make ethanol and other biofuels reduces soil carbon and can generate more greenhouse gases than gasoline, according to a study... 2014-04-20T23:08:00Z
  • L.A. Science Teacher Suspended Over Student Science Fair Projects An anonymous reader writes "A high school science teacher at Grand Arts High School in Los Angeles was suspended from the classroom in February, after two of his science fair students turned in... 2014-04-20T22:11:00Z
  • Why Portland Should Have Kept Its Water, Urine and All Ars Technica has nothing good to say about the scientific understanding (or at least public understanding) that led Portland to drain 38 million gallons of water after a teenage prankster urinated... 2014-04-20T21:12:00Z
  • SpaceX Successfully Delivers Supplies To ISS Reuters reports on the successful SpaceX-carried resupply mission to the ISS: "A cargo ship owned by Space Exploration Technologies arrived at the International Space Station on Sunday, with a... 2014-04-20T20:08:00Z
  • Ask Slashdot: Professional Journaling/Notes Software? netdicted writes "At the very outset of my career the importance of keeping a daily journal of activities and notes was clearly evident. Over the years I've always had a college ruled composition... 2014-04-20T19:03:00Z
  • Google Aids Scientology-Linked Group CCHR With Pay-Per-Click Ads An anonymous reader writes "The Citizens Commission on Human Rights (CCHR), a Scientology front group, has received a 'grant from Google in the amount of $10,000 per month worth of Pay Per Click... 2014-04-20T17:59:00Z
  • Cody Wilson Interview at Reason: Happiness Is a 3D Printed Gun An anonymous reader writes "Cody Wilson details his conflict with the State Department over 3-D printable guns in this new interview with ReasonTV. In this video, he discusses how 3-D printing will... 2014-04-20T16:45:00Z
  • Google and Facebook: Unelected Superpowers? theodp (442580) writes "'The government is not the only American power whose motivations need to be rigourously examined,' writes The Telegraph's Katherine Rushton. 'Some 2,400 miles away from... 2014-04-20T15:48:00Z
  • Why Tesla Really Needs a Gigafactory Hodejo1 (1252120) writes "Tesla has already put over 25,000 cars on the road with more to come and, presumably, most will still be running well past the 8-year battery warranty. What would happen if... 2014-04-20T14:56:00Z
  • LADEE Probe Ends Its Mission On the Far Side Of the Moon The mission of NASA's LADEE probe was brought to an intentional violent end yesterday, when it smashed into the far side of the moon. As the Ars Technica report explains, "NASA's policy is to treat... 2014-04-20T13:27:00Z
  • Obama Delays Decision On Keystone Pipeline Yet Again Hugh Pickens DOT Com (2995471) writes "The Christian Science Monitor reports that once again, the Obama administration has pushed back a final decision on the controversial Keystone XL pipeline... 2014-04-20T12:29:00Z
  • OpenSSL Cleanup: Hundreds of Commits In a Week New submitter CrAlt (3208) writes with this news snipped from BSD news stalwart undeadly.org: "After the news of heartbleed broke early last week, the OpenBSD team dove in and started axing it up into... 2014-04-20T10:37:00Z
  • RIP, NASA Moon Landing Engineer John C. Houbolt The Houston Chronicle reports the death of John C. Houbolt, whose ideas helped guide the U.S. moon-landing programs. Houbolt died on Tuesday at the age of 95, in a nursing home in Maine. Says the... 2014-04-20T07:46:00Z
  • Closing Surgical Incisions With a Paintbrush and Nanoparticles New submitter BiancaM (3582365) writes "A group of chemists has shown the power of nanoparticles for closing and healing surgical wounds. Using no more than a paintbrush they are able to close... 2014-04-20T04:55:00Z
  • Preventative Treatment For Heartbleed On Healthcare.gov As the San Francisco Chronicle reports, "People who have accounts on the enrollment website for President Barack Obama's signature health care law are being told to change their passwords following an... 2014-04-20T01:59:00Z
  • New 'Google' For the Dark Web Makes Buying Dope and Guns Easy First time accepted submitter turkeydance (1266624) writes "The dark web just got a little less dark with the launch of a new search engine that lets you easily find illicit drugs and other contraband... 2014-04-19T23:44:00Z
  • 3 Former Astronauts: Earth-Asteroid Collisions Are a Real But Preventable Danger Three former astronauts — Ed Lu, Tom Jones, and Bill Anders — say that reassuring figures about the rarity of asteroid collisions with Earth are perhaps too reassuring. The B612... 2014-04-19T21:28:00Z
  • Ask Slashdot: Hungry Students, How Common? Gud (78635) points to this story in the Washington Post about students having trouble with paying for both food and school. "I recall a number of these experiences from my time as grad student. I... 2014-04-19T21:00:00Z
  • Google's New Camera App Simulates Shallow Depth of Field New submitter katiewilliam (3621675) writes with a story at Hardware Zone about a new feature that Google's working on for Android phones' built-in cameras: the illusion of shallow depth of field in... 2014-04-19T19:30:00Z
  • Beer Price Crisis On the Horizon Rambo Tribble (1273454) writes "The aficionados of beer and distilled spirits could be in for a major price-shock, if proposals by the Food and Drug Administration come to pass. Currently, breweries... 2014-04-19T18:10:00Z
  • Heartbleed Used To Bypass 2-Factor Authentication, Hijack User Sessions wiredmikey (1824622) writes "Security nightmares sparked by the Heartbleed OpenSSL vulnerability continue. According to Mandiant, now a unit of FireEye, an attacker was able to leverage the Heartbleed... 2014-04-19T17:03:00Z
  • Russia Writes Off 90 Percent of North Korea Debt jones_supa (887896) writes "In Russia, the State Duma (lower house) on Friday ratified a 2012 agreement to write off the bulk of North Korea's debt. It said the total debt stood at $10.96 billion as... 2014-04-19T15:47:00Z
  • The Design Flaw That Almost Wiped Out an NYC Skyscraper Hugh Pickens DOT Com (2995471) writes "Joel Werner writes in Slate that when Citicorp Center was built in 1977 it was, at 59 stories, the seventh-tallest building in the world but no one figured out... 2014-04-19T14:45:00Z
  • Declassified Papers Hint US Uranium May Have Ended Up In Israeli Arms Lasrick (2629253) writes "Victor Gilinsky and Roger J. Mattson update their story on the NUMEC affair to take into account the recent release of hundreds of classified documents that shed additional... 2014-04-19T13:35:00Z
  • Ukraine PM leery of Putin's 'dream' Arseniy Yatsenyuk says Russia won't stop until President Vladimir Putin's vision is realized. Sun, 20 Apr 2014 12:10:00 -0400
  • Festive hats, pastels abound at NYC Easter parade NEW YORK (AP) — Some wore their Sunday best in New York's annual Easter Parade on Fifth Avenue, but others simply spruced up their St. Patrick's Day or Halloween outfits. Sun, 20 Apr 2014 18:56:59 -0400
  • Canadians rally to legalize marijuana Several thousand people came out in Canada's biggest cities to call for the legalization of marijuana -- a yearly protest that happens internationally on April 20. The demonstrations -- dubbed the "420" rallies after the date, 4/20 in North American style, and the code-term popularly used to refer to pot consumption -- took place in Vancouver, Montreal and Ottawa. In each city, including the capital, Ottawa, where protesters gathered on the lawn near the parliament building, music groups played for the crowds. In Montreal, a strong police presence surrounded the demonstrators, while in Ottawa and Vancouver, a pizza chain offered a free slice to any participant in the rally celebrating a drug known to prompt the munchies. Sun, 20 Apr 2014 21:07:58 -0400
  • Pope Francis, huge crowd joyously celebrate Easter VATICAN CITY (AP) — Marking Christianity's most hopeful day, Pope Francis made an Easter Sunday plea for peace and dialogue in Ukraine and Syria, for an end to terrorist attacks against Christians in Nigeria and for more attention to the hungry and neediest close to home. Sun, 20 Apr 2014 12:41:35 -0400
  • AP Photos: Christians seek hope in Easter events From the splendor of the Vatican to some of the world's most troubled regions, Christians worldwide sought hope Sunday in their religion's holiest event — the crucifixion and resurrection of Jesus. Sun, 20 Apr 2014 15:25:46 -0400
  • 10 Things to Know for Monday Your daily look at late-breaking news, upcoming events and the stories that will be talked about Monday: Sun, 20 Apr 2014 21:00:23 -0400
  • Grim work for families as more bodies discovered JINDO, South Korea (AP) — There are no names listed as relatives huddle around signboards to identify bodies from a sunken ferry. Just the slimmest of clues about mostly young lives now lost. Many favored hoodies and track pants. One girl painted her fingernails red and toenails black. Another had braces on her teeth. Sun, 20 Apr 2014 22:45:17 -0400
  • On eve of marathon, festivities and tight security BOSTON (AP) — In many ways, it felt like any other pre-marathon Sunday in Boston. Sun, 20 Apr 2014 19:18:57 -0400
  • Prosecutor says 4 ferry crewmembers detained MOKPO, South Korea (AP) — A South Korean prosecutor says four more crewmembers from a sunken ferry have been detained on allegations of failing to protect passengers. Sun, 20 Apr 2014 23:24:59 -0400
  • Public smoke-out marks pot holiday in Colorado DENVER (AP) — Tens of thousands of revelers raised joints, pipes and vaporizer devices to the sky Sunday at a central Denver park in a defiant toast to the April 20 pot holiday, a once-underground celebration that stepped into the mainstream in the first state in the nation to legalize recreational marijuana. Sun, 20 Apr 2014 23:07:17 -0400
  • Prizefighter Rubin 'Hurricane' Carter dies at 76 Rubin "Hurricane" Carter never surrendered hope of regaining his freedom, not even after he was convicted of a triple murder, then convicted again and abandoned by many prominent supporters. Sun, 20 Apr 2014 21:09:00 -0400
  • Malaysia, Flight 370 relatives talk financial help PERTH, Australia (AP) — As the search continued off the coast of Australia for the missing Malaysia Airlines jet, the airline announced another plane bound for India was forced to make an emergency landing early Monday after one of its tires burst on takeoff. Sun, 20 Apr 2014 22:31:20 -0400
  • More bodies from ship; transcript reveals wavering JINDO, South Korea (AP) — Divers continued the grim work of recovering bodies from inside a sunken South Korean ferry Monday, securing a new entryway into the wreck, as a newly released transcript showed the ship was crippled by confusion and indecision well after it began listing. The transcript suggests that the chaos may have added to a death toll that could eventually exceed 300. Sun, 20 Apr 2014 21:58:15 -0400
  • Are evangelicals out of touch with mainstream views? Despite major changes in public opinion in recent years, Rev. Franklin Graham, son of perhaps the most famous American preacher of all time, Billy Graham, reiterated his strong opposition to gay marriage and gay adoption today on ABC’s “This Week.” As a part of a... Sun, 20 Apr 2014 14:06:48 -0400
  • Boxer Rubin 'Hurricane' Carter dies at 76 Rubin "Hurricane" Carter, the boxer whose wrongful murder conviction became an international symbol of racial injustice, died Sunday. He was 76. Sun, 20 Apr 2014 14:12:02 -0400
  • Firefox Nightly 24, weeks 1-6

    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 <input type='file'>.
    • 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:

  • Firefox Nightly 23, weeks 1-6

    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 <fieldset> with <legend> does not follow box shape.
    • Fixed: 857820 - Drop only blink effect from text-decoration: blink; and completely remove <blink> 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:

  • Firefox Nightly 22, weeks 1-6

    Speed & memory:

    • Fixed: 840282 - Land OdinMonkey (asm.js 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 <time> element.
    • Fixed: 839371 - HTML: Implement <data> element.
    • Fixed: 841948 - HTML: Enable <input type=range> on Nightly and Aurora.
    • Fixed: 345195 - HTML: Replace the anonymous <input type='text'> in <input type='file'> by a simple text.
    • Fixed: 829602 - JS: ParallelDo intrinsic and self-hosted ParallelArray.
    • Fixed: 846406 - JS: Implement arrow functions.
    • Fixed: 789897 - JS: Implement the preventExtensions and isExtensible trap for proxies.
    • Fixed: 839979 - JS: Implement Object.is.
    • Fixed: 690659 - XHR: Filename parameter in the FormData.append method.
    • Fixed: 604039 - DOM: Prototype Gamepad (Joystick) API.
    • Fixed: 650295 - DOM: Add support for speech input.
    • Fixed: 782211 - DOM: Implement notification API spec.
    • Fixed: 736324 - DOM: Allow naming blob URL.
    • Fixed: 783129 - DOM: Implement the document.register interface method.
    • Fixed: 407983 - DOM: Add clipboardData to the onpaste event.
    • Fixed: 737100 - DOM: Extend Pointer Lock for non-fullscreen elements.
    • Fixed: 805613 - Fullscreen: Handle multiple fullscreen documents concurrently.
    • Fixed: 724554 - Fullscreen: Don't exit fullscreen when focusing window on different display.
    • Fixed: 700023 - Fonts: Enable Graphite font shaping by default.
    • Fixed: 419588 - Image: Add support for multiple ICO and ICNS sizes.

    For more, read Firefox 22 for developers.

    Security & privacy:

    Other notable fixes:

    • Fixed: 82301 - Today History folder should be expanded by default.
    • Fixed: 767944 - Implement a manager for centralized quota and storage handling.
    • Fixed: 253564 - Plain text documents should word-wrap. (Toggle using View > Page Style or the pref “plain_text.wrap_long_lines”)
    • Fixed: 548763 - [Mac] Show download progress in dock icon.
    • Fixed: 844604 - [Windows] Increase default text size on hidpi displays.
    • Fixed: 748740 - New tab is not opening after "Ctrl/Cmd+Click" on a link if there is "event.stopPropagation()" in the "click" handler.
    • Fixed: 738952 - PDF: make "Save as..." File menu entry and Ctrl+S work.
    • Fixed: 743252 - PDF: Don't print the URL and other information when printing PDFs.
    • Fixed: 830267 - Don't store plugin preferences via pluginreg.dat: store them per-mimetype.
    • Fixed: 760140 - AAC and MP3 not supported in <audio> (but AAC supported as a <video> sound track!) when the Fluendo Complete Codec Pack is installed.

    Sources:

  • Firefox Nightly 21, weeks 1-6

    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 <main> 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

    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 <input type="date">.
    • 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 <svg:title> 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

    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