Graded Browser Support Update
This post announces an update to Graded Browser Support. The GBS page on the YUI site always has the most current information. This post includes a list of primary changes, the updated chart of browsers that receive A-grade support, and our GBS forecast.
Primary Changes
This GBS update adds A-grade support for IE8 on XP and Vista. A-grade support is discontinued for Firefox 3 on Win 2000 and Mac 10.4, keeping the A-grade testing surface at 15 platforms.
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Initiated A-grade support for IE 8, Win XP
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Initiated A-grade support for IE 8, Win Vista
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Discontinued A-grade support for Firefox 3, Win 2000
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Discontinued A-grade support for Firefox 3, Mac 10.4
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Incremented supported version of Opera to 9.6
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Incremented supported version of Safari to 3.2
| Win 2000 | Win XP | Win Vista | Mac 10.4. | Mac 10.5. | |
|---|---|---|---|---|---|
| Firefox 3.0. | A-grade | A-grade | A-grade | ||
| Firefox 2.0. | A-grade | A-grade | |||
| IE 8.0 | A-grade | A-grade | |||
| IE 7.0 | A-grade | A-grade | |||
| IE 6.0 | A-grade | A-grade | |||
| Opera 9.6 | A-grade | A-grade | |||
| Safari 3.2 | A-grade | A-grade |
The dagger symbol (as in "Firefox 3.") indicates that the most-current non-beta version at that branch level receives support. Put another way, means "the most recent" instead of "all."
GBS Forecast
In addition to the effective-immediately changes, we’re forecasting the discontinuation of A-grade support for Firefox 2 in the GBS update toward the end of June 2009.