List of known issues with Pro Tools 9.0.5
Pro Tools intermittently blocks playback - from the 9.0.5 Read Me (please download the Read Me for additional known issues). Occurs on Lion:
Mac:
http://akmedia.digidesign.com/suppor..._Mac_72749.pdf
PC:
http://akmedia.digidesign.com/suppor..._Win_72750.pdf
Issues with Izotope Nectar, RX and Stutter Edit plug-ins:
There is a known issue with the above Izotope plug-ins. Izotope has beta versions available which you can get by emailing Izotope directly at: support [at] izotope [dot] com
No preview when dragging automation, fades or regions:
This is an issue discovered after release of 9.0.5. and occurs on Lion only, usually only when using a 2 monitor setup and stretching the window across multiple monitors.
MIDI Output selector opens slowly:
Clicking on the output selector of a MIDI or Instrument track may experience an extended delay in showing all available output options. Occurs on Mac and Windows.
Import audio window:
The 'S' and 'P' keys will not work in the search window. Occurs on Mac.
Intermittent distortion during playback:
Disabling "Minimize Additional I/O Latency" in the Pro Tools Playback Engine should resolve this issue.