Version 10.8.1 of OS X Mountain Lion has been seeded to developers.
There aren't any known issues listed in the release notes, just a short list under "Focus areas":
Active Directory
Microsoft Exchange in Mail
PAC proxies in Safari
SMB
USB
Wi-Fi and audio when connected to Thunderbolt display
These changes must be minor, as the delta update clocks in at a svelte 38.54 MB in size. This is the first developer seed we've seen since the release of Mountain Lion on July 25.
This update is available at Apple's developer site under "Additional Downloads".OS X 10.8.1 seeded to developers originally appeared on
