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  • Tetris Is Hard To Test New submitter JackDW writes: Tetris is one of the best-known computer games ever made. It's easy to play but hard to master, and it's based on a NP-hard problem. But that's not all that's difficult... 2014-10-26T00:16:00Z
  • The Problem With Positive Thinking An anonymous reader writes: The NY Times explains research into how our mindset can influence results. The common refrain when striving for a goal is to stay positive and imagine success &mdash... 2014-10-25T23:14:00Z
  • Ask Slashdot: How Do I Make a High-Spec PC Waterproof? jimwormold writes: I need to build a system for outdoor use, capable of withstanding a high pressure water jet! "Embedded PC," I hear you cry. Well, ideally yes. However, the system does a fair bit of... 2014-10-25T22:10:00Z
  • Building All the Major Open-Source Web Browsers An anonymous reader writes: Cristophe de Dinechin, long-time software developer, has an interesting article on the processes involved in building the major browsers. From the article: "Mozilla... 2014-10-25T21:04:00Z
  • New Oculus SDK Adds Experimental Linux Support and Unity Free For Rift Headset An anonymous reader writes: Oculus, creator of the Rift VR headset, has released a new version of their SDK which brings with it long sought-after support for Linux, which the company says is... 2014-10-25T19:59:00Z
  • FCC Postpones Spectrum Auction Until 2016 An anonymous reader writes: 2014 was supposed to be the year broadcasters would be allowed to sell off their unused spectrum to mobile carriers. That got pushed back to 2015 in December, and now the... 2014-10-25T18:52:00Z
  • EU Sets Goal To Cut Greenhouse Gas Emissions 40% By 2030 An anonymous reader writes: The 28 nations in the European Union agreed Friday to reduce greenhouse gas emissions 40% (going by 1990 levels) by the year 2030. The deal received widespread criticism... 2014-10-25T17:50:00Z
  • High Speed Evolution Taco Cowboy writes: Normally, the term "evolution" implicitly refers to super-long time frames. However, in the case of lizards on Florida islands, evolution seems to have shifted into a higher... 2014-10-25T16:46:00Z
  • Italian Supreme Court Bans the 'Microsoft Tax' An anonymous reader writes: In a post at the Free Software Foundation, lawyer Marco Ciurcina reports that the Italian Supreme Court has ruled the practice of forcing users to pay for a Windows license... 2014-10-25T15:39:00Z
  • Scientists Engineer Cancer-Killing Stem Cells SternisheFan writes with news that medical researchers from Harvard Medical School and Massachusetts General Hospital have successfully cultivated stem cells that will kill brain cancer cells in... 2014-10-25T14:35:00Z
  • CHP Officers Steal, Forward Nude Pictures From Arrestee Smartphones sabri writes: Following the initial suspension of a California Highway Patrol officer earlier this week, news has come out that the CHP has an entire ring of officers who steal and subsequently... 2014-10-25T13:28:00Z
  • Ballmer Says Amazon Isn't a "Real Business" theodp writes According to Steve Ballmer, Amazon.com is not a real business. "They make no money," Ballmer said on the Charlie Rose Show. "In my world, you're not a real business until you make some... 2014-10-25T12:23:00Z
  • Google Search Finally Adds Information About Video Games An anonymous reader writes Google has expanded its search engine with the capability to recognize video games. If your query references a game, a new Knowledge Graph panel on the right-hand side of... 2014-10-25T09:25:00Z
  • Peter Kuran:Visual Effects Artist and Atomic Bomb Archivist Lasrick links to this interview with Peter Kuran, an animator of the original Star Wars and legendary visual effects artist, writing If you saw the recent remake of Godzilla, you saw stock footage... 2014-10-25T06:21:00Z
  • OwnCloud Dev Requests Removal From Ubuntu Repos Over Security Holes operator_error notes a report that ownCloud developer Lukas Reschke has emailed the Ubuntu Devel mailing list to request that ownCloud (server) be removed from the Ubuntu repositories because it... 2014-10-25T03:14:00Z
  • Microsoft Now Makes Money From Surface Line, Q1 Sales Reach Almost $1 Billion SmartAboutThings writes Microsoft has recently published its Q1 fiscal 2015 earnings report, disclosing that it has made $4.5 billion in net income on $23.20 billion in revenue. According to the... 2014-10-25T00:07:00Z
  • Days After Shooting, Canada Proposes New Restrictions On and Offline New submitter o_ferguson writes As Slashdot reported earlier this week, a lone shooter attacked the war memorial and parliament buildings in Ottawa, Canada on Wednesday. As many comments predicted... 2014-10-24T23:22:00Z
  • AT&T Locks Apple SIM Cards On New iPads As reported by MacRumors, the unlocked, carrier-switchable SIM cards built into the newest iPads aren't necessarily so -- at least if you buy them from an AT&T store. Though the card comes from... 2014-10-24T22:47:00Z
  • Passwords: Too Much and Not Enough An anonymous reader writes: Sophos has a blog post up saying, "attempts to get users to choose passwords that will resist offline guessing, e.g., by composition policies, advice and strength meters... 2014-10-24T22:08:00Z
  • Verizon Injects Unique IDs Into HTTP Traffic An anonymous reader writes: Verizon Wireless, the nation's largest wireless carrier, is now also a real-time data broker. According to a security researcher at Stanford, Big Red has been adding a... 2014-10-24T21:26:00Z
  • Secretive Funding Fuels Ongoing Net Neutrality Astroturfing Controversy alphadogg writes: The contentious debate about net neutrality in the U.S. has sparked controversy over a lack of funding transparency for advocacy groups and think tanks, which critics say subverts... 2014-10-24T20:43:00Z
  • A Low Cost, Open Source Geiger Counter (Video) Sawaiz Syed's LinkedIn page says he's a "Hardware Developer at GSU [Georgia State University], Department of Physics." That's a great workplace for someone who designs low cost radiation detectors... 2014-10-24T20:01:00Z
  • Computer Scientist Parachutes From 135,908 Feet, Breaking Record An anonymous reader writes: The NY Times reports that Alan Eustace, a computer scientist and senior VP at Google, has successfully broken the record for highest freefall jump, set by Felix Baumgartner... 2014-10-24T19:14:00Z
  • Researcher Finds Tor Exit Node Adding Malware To Downloads Trailrunner7 writes: A security researcher has identified a Tor exit node that was actively patching binaries users download, adding malware to the files dynamically. The discovery, experts say... 2014-10-24T18:32:00Z
  • Employers Worried About Critical Thinking Skills Nerval's Lobster writes: Every company needs employees who can analyze information effectively, discarding what's unnecessary and digging down into what's actually useful. But employers are getting... 2014-10-24T17:49:00Z
  • Complex probe follows killing of deputies Authorities search for answers after an attack leaves two California officers dead. Sat, 25 Oct 2014 20:18:14 -0400
  • Hawaii officials warn of possible lava evacuation HONOLULU (AP) — Hawaii authorities on Saturday told several dozen residents near an active lava flow to prepare for a possible evacuation in the next three to five days as molten rock oozed across a country road and edged closer to homes. Sat, 25 Oct 2014 19:11:56 -0400
  • U.S. nurse quarantined over Ebola criticizes her treatment The first person quarantined under strict new rules in the New York City area for people with a high risk of Ebola tested negative, New Jersey officials said on Saturday, as President Barack Obama said the response to domestic cases of the deadly disease needs to be based on "facts, not fear." Under the new policy, anyone arriving at the two international airports serving New York City after having contact with Ebola patients in Liberia, Sierra Leone or Guinea must submit to a mandatory 21-day quarantine. The requirement exceeds current federal ... Sat, 25 Oct 2014 17:44:49 -0400
  • U.S. recognizes gay marriages in six more states WASHINGTON (Reuters) - U.S. Attorney General Eric Holder said on Saturday the U.S. government will recognize same-sex marriages in six more states, bringing to 32 the number of states where couples in gay unions qualify for federal benefits. Alaska, Arizona, Idaho, North Carolina, West Virginia and Wyoming were added to the list on Saturday, a week after Holder made a similar announcement concerning seven other states. The move comes after the U.S. Supreme Court declined to hear appeals of cases that sought to overturn bans on same-sex marriages. ... Sat, 25 Oct 2014 13:05:16 -0400
  • Police seek motive in fatal Washington state school shooting By Eric M. Johnson and Victoria Cavaliere MARYSVILLE Wash. (Reuters) - Authorities in Washington state worked on Saturday to find out what led a popular high school student to open fire on a group of classmates seated at a cafeteria table, killing one and wounding four others, including a pair of his cousins, before killing himself. The Friday incident at Marysville-Pilchuck High School in the city of Marysville, north of Seattle, sent students fleeing from the building and sheltering under desks in the latest in a series of U.S. school shootings. ... Sat, 25 Oct 2014 18:39:50 -0400
  • U.S. car safety regulators face review over safety lapses WASHINGTON (Reuters) - The Transportation Department will conduct an internal review of U.S. auto safety regulators in response to a series of safety lapses, including this week's reports of defective air bags, a senior administration official said on Saturday. The official, who spoke on condition of anonymity, said the review of the National Highway Traffic Safety Administration would look at what has occurred and what can be done better to ensure safety. ... Sat, 25 Oct 2014 15:35:18 -0400
  • US to recognize same-sex marriage in 6 more states WASHINGTON (AP) — The federal government is recognizing gay marriage in six more states and extending federal benefits to those couples, Attorney General Eric Holder announced Saturday. Sat, 25 Oct 2014 13:41:44 -0400
  • Teacher tried to stop Washington state shooting TULALIP, Wash. (AP) — A newly hired teacher confronted a gunman and was being hailed as a hero on Saturday after a deadly shooting rampage in the cafeteria of a Washington state high school. Sat, 25 Oct 2014 18:14:36 -0400
  • Egypt leader: 'Foreign hands' behind Sinai attack CAIRO (AP) — Egypt's President Abdel-Fattah el-Sissi said Saturday that an assault on an army checkpoint in the Sinai Peninsula that killed 31 troops was a "foreign-funded operation" and vowed to take drastic action against militants. Sat, 25 Oct 2014 14:10:20 -0400
  • 2 dead in Washington state school shooting A student opened fire in Marysville, fatally wounding one before he was killed. Fri, 24 Oct 2014 18:58:17 -0400
  • Obama: Science, not fear, key to Ebola response WASHINGTON (AP) — President Barack Obama says the U.S. must be guided by science — not fear — as it responds to Ebola. Sat, 25 Oct 2014 07:42:35 -0400
  • Tracking Dr. Spencer's contacts isn't easy As a New York City doctor tests positive for Ebola, officials face a difficult challenge. Thu, 23 Oct 2014 23:08:04 -0400
  • US general: NKorea may have nuke missile knowhow WASHINGTON (AP) — North Korea may be capable of fielding a nuclear-armed missile that could reach U.S. soil, but because it has not tested such a weapon the odds of it being effective are "pretty darn low," the commander of U.S. forces in South Korea said Friday. Fri, 24 Oct 2014 14:44:45 -0400
  • 7 hurt when car smashes into California restaurant DUBLIN, Calif. (AP) — Police say all seven people injured when a car crashed into a Northern California restaurant have now been released from hospitals. Fri, 24 Oct 2014 18:16:02 -0400
  • Deadly violence in the West Bank RAMALLAH, West Bank (AP) — A Palestinian-American teenager was killed during clashes with the Israeli military on Friday amid heightened tensions in Jerusalem and the West Bank. Fri, 24 Oct 2014 16:00:52 -0400
  • Man in NYC hatchet attack said to have Islamic 'extremist leanings' A hatchet attack on New York police officers was a "terrorist act" carried out by a self-radicalized Muslim convert who had been in the military and browsed Al-Qaeda websites, police said Friday. "This was a terrorist act," police commissioner Bill Bratton told a news conference on Friday, one day after the attack, saying he was "very comfortable" describing it as a "terrorist attack." Police said Zale Thompson, who was 32, unmarried and unemployed, appeared to have acted alone and was not affiliated to a particular group, but that the investigation was ongoing. A loner who spent hours locked away in his bedroom, he had looked at websites about groups such as Al-Qaeda and Islamic State, and watched beheadings and Wednesday's deadly attack in Canada. Fri, 24 Oct 2014 17:42:49 -0400
  • Islamic State used chlorine gas in fight north of Baghdad, say Iraq officials BAGHDAD (AP) — Islamic State militants used chlorine gas during fighting with security forces and Shiite militiamen last month north of Baghdad, Iraqi officials said Friday. Fri, 24 Oct 2014 12:02:25 -0400
  • Nurse Nina Pham Ebola-free, meets Obama DALLAS — After nearly two weeks in isolation, Ebola patient Nina Pham walked out of a Maryland hospital on Friday free of the deadly disease that has seized the nation’s attention. Fri, 24 Oct 2014 11:12:20 -0400
  • Why NYC Ebola case won’t be rerun of Dallas City designated single hospital as go-to place for Ebola patients, gave specialized training to health workers. Fri, 24 Oct 2014 10:38:20 -0400
  • Canada tries to come to terms with capital shootings VANCOUVER, British Columbia (AP) — The gunman who shot and killed a soldier in plain daylight then stormed Canada's Parliament once complained that a Vancouver mosque he attended was too liberal and inclusive, and was kicked out after he repeatedly spent the night there even though officials told him to stop, Muslim leaders said Friday. Fri, 24 Oct 2014 19:27:59 -0400
  • How N.C. Senate race became ground zero for what's wrong with 2014 But with less than two weeks left until the midterm elections, it’s clear the Tar Heel State has indeed emerged as a ground zero — though not in the way the GOP chairman meant. The highly competitive Senate race in North Carolina is the multimillion-dollar epicenter of the negative campaigning that has come to define this election and that parties are using to try to win tight races nationwide. Fri, 24 Oct 2014 05:57:27 -0400
  • Suspicious yellow powder sent to U.S., other consulates in Istanbul By Jonny Hogg ISTANBUL (Reuters) - Packets of an unidentified yellow powder were sent to five western consulates in Istanbul on Friday, officials said, prompting security alerts following two militant attacks in Canada this week. Consulates of the United States, Canada, France, Germany and Belgium received suspicious packages, the officials said. It was not immediately clear what the powder was and Turkish officials said results of tests on them were due on Monday. ... Fri, 24 Oct 2014 13:24:25 -0400
  • Doctor becomes NYC's first Ebola patient Three others are quarantined after a doctor who worked in Africa tests positive. Fri, 24 Oct 2014 22:02:09 -0400
  • Hunt for missing MH370 flight to take many more months KUALA LUMPUR, Malaysia (AP) — The hunt for missing Malaysia Airlines Flight 370 in a remote patch of the Indian Ocean is progressing well but will likely take many months because of the huge area involved, an Australian official said Friday. Fri, 24 Oct 2014 09:03:44 -0400
  • Britain's Queen Elizabeth sends her first tweet LONDON (Reuters) - Britain's Queen Elizabeth made her first foray into the world of social media on Friday when she sent out her inaugural message on Twitter. "It is a pleasure to open the Information Age exhibition today at the @sciencemuseum and I hope people will enjoy visiting. Elizabeth R," the 88-year-old monarch tweeted at the opening of a new gallery at London's Science Museum. The message, sent at 10.35 GMT (6.35 a.m. EDT), had already been re-tweeted more than 4,000 times less than 45 minutes later. ... Fri, 24 Oct 2014 08:16:40 -0400
  • Police: Hatchet-wielding suspect shot by officers NEW YORK (AP) — New York City police shot and killed a hatchet-wielding man on Thursday after he suddenly attacked a group of patrol officers without warning in broad daylight on a busy commercial district in Queens. Thu, 23 Oct 2014 22:24:12 -0400
  • China launches first mission to moon and back China launched its first space mission to the moon and back early Friday, authorities said, the latest step forward for Beijing's ambitious programme to one day land a Chinese citizen on the Earth's only natural satellite. The unnamed, unmanned probe will travel to the moon, fly around it and head back to Earth, re-entering the atmosphere and landing, the State Administration of Science, Technology and Industry for National Defence (SASTIND) said in a statement. "The first stage of the first return journey test in China's moon probe programme has been successful," it said after the launch, from the Xichang space base in the southwestern province of Sichuan. The module will be 413,000 kilometres from Earth at its furthest point on the eight-day mission, it added. Fri, 24 Oct 2014 01:17:48 -0400
  • Inside the Islamic State’s million-dollar money stream The Islamic State militants got rich off smuggled oil, kidnappings for ransom, and extortion. Here is how the United States is responding. Thu, 23 Oct 2014 17:41:26 -0400
  • Police: Plane, helicopter collide in Maryland FREDERICK, Md. (AP) — Police say an airplane and helicopter have collided in mid-air at the Frederick Municipal Airport in Maryland. Fri, 24 Oct 2014 00:14:36 -0400
  • Two U.S. states to quarantine health workers returning from Ebola zones By Ellen Wulfhorst and David Morgan NEW YORK/WASHINGTON (Reuters) - New York and New Jersey will automatically quarantine medical workers returning from Ebola-hit West African countries and the U.S. government is considering the same step after a doctor who treated patients in Guinea came back infected, officials said on Friday. The steps announced by the two states, which go beyond the current restrictions being imposed by President Barack Obama's administration on travelers from Liberia, Sierra Leone or Guinea, came as medical detectives tried to retrace the steps in New York City of Dr. ... Fri, 24 Oct 2014 19:01:27 -0400
  • New York officials: Doctor has Ebola, 1st in city NEW YORK (AP) — A Doctors Without Borders physician who recently returned to the city after treating Ebola patients in West Africa has tested positive for the virus, according to preliminary test results, city officials said Thursday. Fri, 24 Oct 2014 01:13:55 -0400
  • NYC hospital tests doctor who had been to West Africa for Ebola A doctor who recently returned to the United States from West Africa was rushed to a hospital in New York City on Thursday and is being tested for Ebola, hospital officials said. Thu, 23 Oct 2014 15:40:23 -0400
  • Pat Robertson calls gay rights activists 'terrorists' A day after his controversial comments about AIDS were obliterated by Anderson Cooper, the conservative televangelist called gay rights activists “terrorists." Thu, 23 Oct 2014 12:12:44 -0400
  • Clinton backs Gov. Cuomo; GOP foe claims momentum NEW YORK (AP) — Democratic Gov. Andrew Cuomo raced into the final stretch of his re-election bid Thursday with help from former Secretary of State Hillary Rodham Clinton while Republican challenger Rob Astorino maintained their recent debate helped push momentum to his side. Thu, 23 Oct 2014 16:27:02 -0400
  • NFL says it's 'on track' in 15-year plan to field London team By Steve Ginsburg WASHINGTON (Reuters) - The National Football League is "exactly on track" with its plans to field a team in London and could have a franchise there by 2022, the league's international chief said Thursday. Mark Waller said he believed in 2007 when the NFL first started playing in the British capital it would take 15 years to place a team there and, so far, he's encountered no stumbling blocks. ... Thu, 23 Oct 2014 13:49:01 -0400
  • US announces $840M to improve medical care WASHINGTON (AP) — The Obama administration is announcing an $840 million grant program to help doctors and hospitals improve the quality of care delivered to patients. Thu, 23 Oct 2014 13:20:43 -0400
  • Massive cheating scandal at UNC involved athletes CHAPEL HILL, N.C. (AP) — Bogus classes and automatic A's and B's are at the heart of a cheating scandal at the University of North Carolina that lasted nearly two decades, encompassing about 3,100 students — nearly half of them athletes. Thu, 23 Oct 2014 12:02:37 -0400
  • Who was Michael Zehaf-Bibeau, gunman killed in Ottawa shootings? Here's what we know about the suspect so far. Thu, 23 Oct 2014 08:38:18 -0400
  • Bad news for CSI fans Wed, 31 Dec 1969 19:00:00 -0500
  • Suspected Boko Haram fighters kidnap 25 girls from northeast Nigeria YOLA Nigeria (Reuters) - Suspected Boko Haram militants kidnapped at least 25 girls in an attack on a remote town in northeastern Nigeria, witnesses to the attack said, despite talks aimed at freeing more than 200 other female hostages the militants seized in April. John Kwaghe, who witnessed the attack and lost three daughters to the abductors, and Dorathy Tizhe, who lost two, said the attackers came late in the night, forcing all the women to go with them, then later releasing the older ones. Thu, 23 Oct 2014 11:59:17 -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