Avid have announced Pro Tools 10.3. Offering amongst other things Mountain Lion Support as well as Thunderbolt support. Also numberous bug fixes.
One nice addition is that a new preference has been added on the MIDI pane under Delay for External Devices: Notes and Controllers. When enabled, Pro Tools applies Delay Compensation to MIDI notes and MIDI controller data. This is helpful when monitoring external MIDI devices outside of Pro Tools.
Pro Tools 10.3 and Pro Tools HD 10.3 on Mac OS X 10.6.x, 10.7.x and 10.8.x
This Read Me documents important compatibility information and known issues for Pro Tools 10.3 and Pro Tools HD 10.3 software on computers running Mac OS X 10.6.x (“Snow Leopard”), 10.7.x (“Lion”) and 10.8.x (“Mountain Lion”).
Pro Tools 10.3 and Pro Tools HD 10.3 on Windows 7
This Read Me documents important compatibility information and known issues for Pro Tools 10.3 and Pro Tools HD 10.3 software with supported hardware on qualified computers running Windows 7 (32-bit or 64-bit).