A Steam client update is now available. To apply the update, click the Steam menu inside of Steam and then select "Check for Steam Client Updates…". The specific changes include:
Display certificate status when viewing secure web content (thanks to Paul Mutton).
Updated web engine to newer version of Chromium Embedded Framework.
Added ability to set homepage for overlay web browser via settings dialog.
Added support for "about:blank" for the Overlay Web Browser home page.
Added filter for friends list.
Added session playtime and total playtime to the overlay.
Improved product key activation process in case CD-key was previously registered.
Addressed file upload errors related to uploading mods via Skyrim’s Creation kit.
Fixed game properties dialog cutting off tabs for some games.
Fixed hardware survey not prompting for new Steam installs.
Limit tooltip height for workshop files.
Fixed regression showing tooltips/hover state when the mouse is over a Steam window but occluded by another applications window.
Fixed regression disabling font smoothing in web views in prior beta update.
Fixed client hang when launching games or starting/pausing game downloads.
Fixed cases where "Error 16" would be displayed when downloading some Skyrim Workshop files
Enabled limited html5 video and audio support in the web control.
Fixed tooltips on Web pages sometimes displaying incorrectly.
Fixed jumps when scrolling using arrow keys in the web control.
Fixed crash when using cut and paste in the web control after changing the logged in user