New in Logic Pro 10.6.1

Stability/Reliability

Fixes and issue where Logic Pro could occasionally quit when clicking and holding the Forward or Rewind transport button.
Fixes an issue where Logic Pro occasionally quit when using older versions of Waveshell.
Fixes an issue where Logic Pro occasionally quit when the Bypass All Effects Plug-ins key command is triggered.
Fixes an issue where Logic Pro occasionally quit when selecting a track automation parameter.
Restores the ability to click the transport Play button while a Live Loops cell is in record.
Resolves an issue where Logic Pro could quit unexpectedly when stepping through presets in the Native Instruments Guitar Rig 6 plug-in.
Resolves an issue where Logic Pro could quit unexpectedly when working in the Pattern Editor on tracks using Drum Machine Designer.

Fixes an issue where cells containing files that are a different sample rate than the project play at the wrong pitch until the end of the current loop when the Flex mode is changed.

Sampler instrument load times improved with larger instruments.
Fixes an issue where Sampler zones could lose their connection to samples when they are edited in the Audio File editor.

Fixes an issue where notes hang occasionally in Studio Strings when playing back in cycle mode if the instrument is set to a MIDI channel other than channel 1.

Collapsed Track Stack overview regions now show the Track color as expected when the Region Color as Track Color setting is enabled.

On macOS Big Sur, Drummer now responds immediately to changes made in the Drummer controls while playing back.

The Join Notes function is now available when the Piano Roll in One Track view.
Fixes an issue where Catch Playhead occasionally activates when editing notes in the Piano Roll during playback.
Drum names in Producer Kits now display as expected in the Piano Roll.
The Event List display now updates properly when events are moved.

MIDI Files exported from regions contain events from the end of the region as expected.

It is now possible to manually enter values into files in the Control Surface Inspector.

Quad audio files dropped into Impulse Response Utility now show the correct channel labels when True Stereo is chosen from the format dropdown.
Impulse Response Utility now correctly adjusts the Reverb Time to the length of files added to the Track List.

Logic Pro no longer shows an error when choosing a different tempo from the Transport if Advanced Tools is not enabled.
Fixes an issue where copying a looped region sometimes overwrites subsequent regions in the track.
It is now possible to copy a region that loops to the end of a project over itself in No Overlap mode.
On macOS Big Sur, the Keyboard object in the Environment now shows visual feedback when clicked.
Fixes an issue where saved Spotlight searches that include files accessible in the All Files browser in Logic Pro occasionally cause navigation issues.