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Firefox 4 Beta Released

     
2:03 am on Jul 7, 2010 (gmt 0)

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  • Tabs are now on top by default on Windows only - OSX and Linux will be changing when the theme has been modified to support the change.
  • On Windows Vista and Windows 7 the menu bar has been replaced with the Firefox button.
  • You can search for and switch to already open tabs in the Smart Location Bar
  • New Addons Manager and extension management API (UI will be changed before final release)
  • Significant API improvements are available for JS-ctypes, a foreign function interface for extensions.
  • The stop and reload buttons have been merged into a single button on Windows, Mac and Linux.
  • The Bookmarks Toolbar has been replaced with a Bookmarks Button by default (you can switch it back if you'd like).
  • Crash protection for Windows, Linux, and Mac when there is a crash in the Adobe Flash, Apple Quicktime or Microsoft Silverlight plugins.
  • CSS Transitions are partially supported.
  • Full WebGL support is included but disabled by default at this time.
  • Core Animation rendering model for plugins on Mac OS X. Plugins which also support this rendering model can now draw faster and more efficiently.
  • Native support for the HD HTML5 WebM video format.
  • An experimental Direct2D rendering backend is available on Windows, turned off by default.
  • Web developers can use Websockets for a low complexity, low latency, bidirectional communications API.
  • Web developers can update the URL field without reloading the page using HTML History APIs.
  • More responsive page rendering using lazy frame construction.
  • Link history lookup is done asynchronously to provide better responsiveness during pageload.
  • CSS :visited selectors have been changed to block websites from being able to check a user's browsing history.
  • New HTML5 parser.
  • Support for more HTML5 form controls.
[mozilla.com...]
7:30 am on July 7, 2010 (gmt 0)

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CSS :visited selectors have been changed to block websites from being able to check a user's browsing history.


Crap! :)
11:44 am on July 7, 2010 (gmt 0)

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does it launch under 3 seconds?
1:53 pm on July 7, 2010 (gmt 0)

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It takes about 12 seconds to load on my netbook. Opera loads in 1. IE in 3. Safari in 8 and Chrome in 4.
5:08 pm on July 7, 2010 (gmt 0)

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New HTML5 parser.


Hooray! >;->
4:18 am on July 8, 2010 (gmt 0)

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Is this compatible with a lot of existing add-ons? If so, is it stable enough for day-to-day use, or is the beta tag warranted?
5:09 am on July 8, 2010 (gmt 0)

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The stop and reload buttons have been merged into a single button on Windows, Mac and Linux.


I hate the person who thought of this.

I couldn't tell you how many times I've gone to hit the stop button in Opera only to have it quit loading a few milliseconds before I actually click the button and end up reloading the damn page.

I really, hate the person who thought of it. I'm afraid to even use the stop button now.
3:09 pm on July 8, 2010 (gmt 0)

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It takes about 12 seconds to load on my netbook. Opera loads in 1. IE in 3. Safari in 8 and Chrome in 4.


Even more important is how long it takes to shut down. 20,40,60 or more seconds (sometimes never!)? To date Firefox clearly has some kind of significant memory management problem.

I love the add-ons etc, especially for performance analysis, but basic start up and shut down have been poor. Hope 4.0 is improved in this regard.
10:20 am on July 10, 2010 (gmt 0)

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Hi all,

The only thing that I hope has been changed is the matter of closing the firefox.exe processafter the program has been closed for over 5 mins, When ever I close mine (V3.6.6) I always have to go into the process's menu to manually turn off that file, then once that's done I can restart FF - lets hope the crash handler works now too :)

I love using FF, hopefully in this version, they have got it right ;)

[UPDATE:] I have just installed it, first impressions: Get rid of the orange firefox button, or at least give me that option! Load time was 8 seconds ~ not too bad (2nd start was only 2 seconds! Cool, certainly a + point), but I shall have to play with it for a while to see what I think.

Cheers,
MRb
11:16 am on Aug 3, 2010 (gmt 0)

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Get rid of the orange firefox button

I`ve just popped FF4 Beta 2 on one of my small laptops. I don`t see any orange button, layout looks pretty much the same as the current version. I can see changes to the add ons layout though.

dc