Following its onslaught of music updates this morning, Apple this evening has rolled out updates to two more of its Mac audio apps. First is Logic Pro X, which has been bumped to version 10.2.1 with this evening’s update. Next is MainStage 3, which is now at version 3.2.3 thanks to its most recent update. Both apps have received a handful of new features, under-the-hood changes, and performance improvements with their respective updates.

Logic Pro X now supports a new multithreading threading feature that significantly improves performance when processing multiple live channels. Previewing Apple Loops and performing region edits is also much quicker. 30 plug-ins have also been updated and redesigned to support Retina displays and improve usability. There are a variety of other performance and usability enhancements, as well, which can all be seen in the changelog below:

What’s New in Version 10.2.1

This update contains numerous fixes and enhancements including:

• 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 create stems from multiple selected tracks • Improved VoiceOver support

Next, MainStage 3 has been updated with its own share of enhancements. Like Logic Pro, 27 plugins have been enhanced with Retina display support and improved usability. Alchemy has also been significantly enhanced with 11 new spectral effects and Apple Loops support. Again, a handful of other performances and usability improvements have also been made with version 3.2.3 of MainStage. You can view them all in the changelog below:

What’s New in Version 3.2.3

This update contains numerous fixes and enhancements including:

• 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

Logic Pro X and MainStage 3 are both available on the Mac App Store. Earlier today, Apple released a GarageBand iOS updat with iPad Pro optimization, as well as new Music Memos app for songwriters and an update to Logic Remote with iPad Pro enhancements and iPhone support.