Firefox 3.7/Gecko 1.9.3 Alpha 5 Released

Mozilla has released the fifth Alpha for Gecko 1.9.3 layout engine likely to be used in the future Firefox 4. This release is being made available for testing purposes only, and is intended as a preview release for web application developers and the testing community. See Release Notes for more information and download/installation instructions. New changes in this release include:

User-facing changes

  • Aero Glass is now enabled for Windows Vista and Windows 7.
  • More parts of the new Windows theme have landed including new main button icons. Many more changes are coming in later releases.
  • The new Add-ons manager has landed. The UI for the new Add-ons manager is not yet complete.
  • You can now put tabs on top (View -> Toolbars -> Tabs on Top) although without most of the final UI this isn’t as useful as it could be.

Web-facing changes

Platform Changes

  • An updated about:memory page shows you how memory is being consumed in the browser. This will improve with later updates to give even more useful data and cover more internal memory pools.
  • On the Mac we now support the Cocoa event model for NPAPI plugins. This is used by Flash 10.1 and the new Java plugin from Apple.
  • ChromeWorkers with jscytpes is now supported.

Source: Mozilla Developers News

3 Comments on Firefox 3.7/Gecko 1.9.3 Alpha 5 Released

  1. Played with it for a while, some thoughts;

    The Aero Glass UI is kind of way overdone, depending on your desktop background can barely see anything in the UI.

    The new addons manager seems to have some problems. Dragging and dropping extensions, and not just theme .jar files that I know is broken, also .xpi files, some work, most don’t. Makes it pretty hard to manually bump the max version of an extension when installing the extension from disk seems impossible.

    And where do plugins go now? I can’t seem to figure out. There is no plugins folder in the install directory anymore. While most plugins are automatically found by Firefox wherever they are, some aren’t, like QT Lite, and I have to copy the plugins to the Firefox directory myself. But with the new addons manager, the plugins folder is gone, do I just create another one or what?

  2. MikeL: I was confused about the missing plugins/ folder too. After filing a mozilla bug on it, it turns out the directory is still supported but was intentionally removed since there were no default plugins anymore (not even the null plugin).

    You can mkdir plugins and use it as normal.

    • Thanks for reply. I kind of assumed as much, and jus tried creating the plugins folder again anyway and it worked. Reading the comments on that bug report, I had thought the same thing, with the new addons manager happening at same time of no more plugins folder, thought plugins folder no longer supported too and some new way was in place.

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