Stability
Logic Pro X should no longer quit unexpectedly when:
A Track Stack is flattened during playback.
Trimming an audio file in the Audio File Editor.
Switching from the Audio File Editor to the Audio Track Editor after enabling Flex Pitch.
Selecting or moving notes in the Piano Roll.
Saving a patch with an edited Smart Controls layout.
Several Software Instrument tracks are created in quick succession from Logic Remote.
Changing a velocity range in the EXS Editor while playing a note.
Deleting an Arrangement marker.
A second lane of MIDI data is added with the pencil in the Step Editor.
Fixes an issue that could cause content downloading to hang.
Logic Pro X should no longer hang if the Length parameter in the Step Editor was double-clicked.
Logic Pro X no longer hangs when a settings folder containing more than 138 settings files is accessed from Logic Remote.
Track Stacks
Tuner is now available when selecting the main track of a Track Stack.
The output routing on a Drummer Track that has been manually reassigned to an Aux is no longer reassigned to No Output when changing drum characters.
It is again possible to switch Aux channels that are part of a Multi Output Software Instrument between mono and stereo.
Resolves an issue in which a copied main track of a Summing Track Stack did not maintain the correct routing for sub-tracks.
Track Stacks that contain both software instrument and audio tracks will no longer be inadvertently flattened by loading a Patch.
Multi-timbral tracks are no longer created as track stacks by default.
Score
Text styles in the Score window event inspector pop-up menu now display the currently selected language.
You should now be able to import custom Text Styles into a new project.
Edit focus on selected regions should now be properly maintained when opening the Staff Style window.
You should now be able to select rests and bar repeat objects in the Score window.
Mapped Staff Styles no longer improperly show a Transpose value.
General
Create New Track with Next Channel now works as expected for multi-timbral Software Instrument or External MIDI tracks.
When Follow is selected in the Drummer Editor, a track is now automatically assigned for Drummer to follow.
When exporting projects to AAF, 24-bit audio files are no longer converted to 16-bit.
Resolves an issue in which in some cases notes copied in the Piano Roll ended up at unexpected positions.
Shift-clicking in the timeline to adjust the cycle range now works as expected.
The Mixer now correctly shows channel strips when navigating between multiple folders in the Main window.
Take regions now appear consistently in the Track Audio Editor when they are selected.
Resolves an issue in which Arrangement markers were improperly resized after being dragged in projects with a start point before bar 1 1 1 1.
Resolves an issue in which undo did not work after an Arrangement marker was copied.