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Gran Paradiso Alpha 3 Start Page

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This version is now obsolete. For your own safety and security, please install an updated version.

Known Issues

Content Rendering
The new rendering system implemented in Gran Paradiso Alpha 3 is still a work in progress; some drawing anomalies can occur.
Add-ons
Add-ons installed under previous versions of Firefox may be incompatible with Gran Paradiso Alpha 3.

See the Release Notes for other known issues

Changes in this Development Milestone

Gecko 1.9 Alpha 3 introduces several new features which can be tested by using Gran Paradiso Alpha 3:

  • Animated PNG (APNG) images are now supported.
  • The DOM clientLeft and clientTop attributes are now supported.
  • Introduced support for <link rel="offline-resource">, which puts resources into the browser's offline cache. This allows a web application to ensure that its resources are available in the cache when the browser goes into offline mode. See Marking Resources for Offline Use for further details on offline support.
  • Improved precision of layout and scaling across a wide range of screen and printer resolutions.
  • Implemented cycle collection in XPCOM, which detects cases where two released objects hold one another, but neither is held by anyone else. In this scenario, both objects can safely be purged. Previously, the holds each has on the other would have prevented them from being purged.
  • Added support for the HttpOnly cookie attribute, which marks a cookie as readable only by the server and not by client-side scripts.
  • Added a new preference, "Warn me when web sites try to redirect or reload the page", which notifies the user when the page specifies HTTP-EQUIV=refresh.

Some of the changes in Alpha versions of Gecko 1.9 affect the web and platform compatibiltity of Gran Paradiso Alpha 3. For detailed information about changes in Gecko 1.9 and Gran Paradiso, please read these pages:

Resources