Apple has rolled out a pair of updates to two more of its music apps, Logic Pro X and MainStage 3, bringing along a slew of performance improvements and more to each app. As far as Logic Pro X is concerned, numerous plug-ins have been re-designed for Retina screens, and users should notice some performance and general usability improvements across the board. Here's the breakdown for Logic Pro X:

  • New multi-threading feature improves performance when processing multiple live channels
  • Faster playback responsiveness when previewing Apple Loops and performing region edits
  • Flex Pitch editing can be performed within the Tracks area using a Piano Roll interface
  • A collection of 30 plug-ins have been redesigned to add Retina support and improve usability
  • Numerous improvements to Alchemy including Apple Loops support and 11 new spectral effects
  • Improved reliability when downloading additional content
  • Additional content can be downloaded directly from the Sound Library and Apple Loops browsers
  • Drum Machine Designer supports drag and drop of multiple audio files
  • The Step Editor can automatically create lanes to display all MIDI events in a region
  • New export option allows you to to create stems from multiple selected tracks
  • Improved VoiceOver support

Similarly, MainStage 3 has seen a number of plug-ins redesigned for Retina screens, along with improvements to Alchemy and more:

  • A collection of 27 plug-ins have been redesigned to add Retina support and improve usability
  • Numerous improvements to Alchemy including Apple Loops support and 11 new spectral effects
  • Alchemy supports 3rd party Expressive MIDI Controllers including products from Roli and Roger Linn Design
  • Allows faster changing of your I/O device with large concert files
  • Clicking on an instrument layer in the workspace now selects the corresponding channel strip
  • Improved VoiceOver support

The latest updates to Logic Pro X and MainStage 3 come on a day filled with musical releases from Apple, including updates to GarageBand and Logic Remote, along with the release of the brand new Music Memos app. If you're a Logic Pro X or MainStage user, you can grab the latest updates from the Mac App Store at the links below.