Apple just pushed out updates to Logic Pro 9 and Logic Express, bringing both up to version 9.1.8 and introducing a ton of fixes and performance enhancements. The update is also for the Mac App Store version of Logic Pro.

Release notes for both below:

About the Logic Pro 9.1.8 Update:

General

  • Additional content downloads now behave correctly when installing on OS X Lion and OS X Mountain Lion.
  • Resolves an issue in which the Save As command sometimes resulted in an alert dialog in Logic 9.1.7.

Audio

  • Fixes an issue that caused an Airplay dialog to repeatedly appear.
  • Relaunching the audio driver now reliably applies changes made to the buffer size.

Performance and Stability

  • Resolves performance issues when using plug-ins that provide frequent graphic feedback.
  • Resolves an issue that could cause an abnormally large monitoring delay after a computer wakes from sleep.

Plug-ins and Instruments

  • Fixes an issue with ES2 that could create distortion when a sidechain was used as the modulation source.
  • Tuner now responds consistently when used in a channel strip that also contains plug-ins which introduce latency.
  • The MIDI channel for a multi output software instrument is no longer changed when adding Aux outputs when there are regions on the track.

Compatibility

  • Logic now properly maintains Aux assignments for multi-output instances of Kontakt that are migrated from earlier versions to Kontakt 5.
  • Resolves an issue in which deleting tracks took longer than expected if Melodyne Editor was inserted on a track.

About the Logic Express 9.1.8 Update:

General

  • Resolves an issue in which the Save As command sometimes resulted in an alert dialog in Logic 9.1.7.

Audio

  • Fixes an issue that caused an Airplay dialog to repeatedly appear.
  • Relaunching the audio driver now reliably applies changes made to the buffer size.

Performance and Stability

  • Resolves performance issues when using plug-ins that provide frequent graphic feedback.
  • Resolves an issue that could cause an abnormally large monitoring delay after a computer wakes from sleep.

Plug-ins and Instruments

  • Fixes an issue with ES2 that could create distortion when a sidechain was used as the modulation source.
  • Tuner now responds consistently when used in a channel strip that also contains plug-ins which introduce latency.
  • The MIDI channel for a multi output software instrument is no longer changed when adding Aux outputs when there are regions on the track.

Compatibility

  • Logic now properly maintains Aux assignments for multi-output instances of Kontakt that are migrated from earlier versions to Kontakt 5.
  • Resolves an issue in which deleting tracks took longer than expected if Melodyne Editor was inserted on a track.

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About the Author

Jordan Kahn

Jordan writes about all things Apple as Senior Editor of 9to5Mac, & contributes to 9to5Google, 9to5Toys, & Electrek.co. He also co-authors 9to5Mac’s Logic Pros series.