Firefox 13.0.1 was released to address problems encountered after the Adobe Flash Player update caused Firefox to freeze or crash (see Flash Player Update Causes Firefox Crashes).
The Flash Player update included Protected Mode for users of Firefox 4.0 and greater on Windows Vista and higher. The purpose of Protected Mode is to limit the impact of attacks launched from malicious Flash content (SWF files).
Edit Note: Also see Adobe Flash Player "Plug-in Version" Updated
The Release Notes include fixed features in version 13.0.1.
- FIXED -- Windows Messenger did not load in Hotmail, and the Hotmail inbox did not auto-update (764546, fixed in 13.0.1)
- FIXED -- Hebrew text sometimes rendered incorrectly (756850, fixed in 13.0.1)
- FIXED -- Flash 11.3 sometimes caused a crash on quit (747683, fixed in 13.0.1)
UpdateThe update to Firefox 13.0.1 will be offered through the browser update mechanism after any impacts related to the Microsoft Security Updates are analyzed. To get the update now, select "Help" from the Firefox menu at the upper left of the browser window, then pick "About Firefox." Mac users need to select "About Firefox" from the Firefox menu.
If you do not use the English language version, Fully Localized Versions are available for download.