Here is the complete list of all the bug fixes included in Pro Tools 2021.6. Check it out to see if the bug that has been annoying you, has been fixed.
AAF
Fixed a case where AAF's with rendered clips from mixed frame rate material would import out of sync on multi-channel tracks
Fixed a "Could not complete your request because out_of_range: Cmn_PolyVectorImpl::At" error that may occur when importing certain AAF's with mixed frame rates
Improved performance in certain cases when importing an embedded OMF on network storage
Cloud / Collaboration
Frozen stereo tracks that are download from a collaborator now correctly display the right channel's waveform
Cloud Collaboration stability improved to greatly decrease the chance of missing files, stuck tasks, stuck ownership, and hanging on project close/quit
Crashes & Errors
Fixed a case of persistent AAE -9013 errors after changing the disk cache setting
Fixed a crash when opening or creating a session with a PRE enabled
Fixed a crash that would occur when importing an AAF generated from MediaCentral | Ingest
Pro Tools no longer hangs when importing audio from a screen capture QuickTime video
Fixed several cases that would cause bouncing an MOV file to crash if the bounce selection didn't start on a frame boundary
Fixed a crash that could result from copying a clip to a target playlist
Delay Compensation
Multi-channel sources printed to tracks via subpaths are now properly delay compensated
Audio recorded from an Aux input with a hardware input to an Audio track is now properly delay compensated
Dolby Atmos Workflows
Fixed an issue where Dolby Atmos groups could be named incorrectly in IO Setup after importing session data
Editing
Tab to Transient will once again locate to transients that are close to the current location
Opt+Ctrl+Shift+TAB (Mac) Alt+Win+Shift+TAB (Windows) will once again extend the edit selection to include the previous clip
Import
Sample Rate Conversion will once again be applied during Import Audio
Importing Session Data no longer adds a breakpoint to automation parameters if the Song Start is not at the beginning of the session
Fixed an issue that caused double-clicking to fail in the Import Audio Window
Fixed an Audio Import issue where SRC for Pull Up/Pull Down was not sample accurate
Installer
Fixed an issue that would prevent the HD driver from loading on Intel Macs running macOS 11.3 and above
Keyboard Shortcuts
The shortcut Opt(Alt)+Shift+L which is a Pro Tools Ultimate only Video Satellite function, will no longer block playback on Pro Tools and Pro Tools First
MIDI
Time Operations > Change Meter dialog will now use the location of the Meter Change event that was clicked on to open the dialog
Event Operations > Change Velocity operation will once again correctly apply the Curve setting
Event Operations > Change Duration will once again affect only the selected notes and not the entire track
Time Operations > Change Meter window now correctly updates the meter when a new "Starting at bar" value is entered
Fixed an issue to prevent help notes when navigating away from the Virtual MIDI Keyboard on Windows
Fixed an issue with the virtual MIDI Keyboard to prevent the first note from having an extended duration
Pro Tools | Carbon
Carbon fan noise has been significantly reduced under most conditions
A hardware input from Carbon bussed to another track is now properly compensated after setting the AFL/PFL Path to None
Monitor output is now muted (not dimmed) after booting, or changing sample rate, with monitors muted
After hitting the Output Channels limit, tracks are now successfully re-voiced when disabling DSP Mode
After hitting the Input Channels limit, tracks are now successfully re-voiced when disabling Record/Input Monitor
A dialog is no longer displayed after enabling DSP Mode on a frozen track with a native-only plug-in
The Carbon hardware meters in System Usage are now properly aligned for French and Spanish languages
Pro Tools | MTRX & Pro Tools | MTRX Studio
MTRX and MTRX Studio no longer occasionally disconnect from Pro Tools when the sample rate is changed from Hardware Setup, DADman, or by opening a session
Note, this fix requires disabling Avid Audio Server on Mac. To do that, locate Avid Audio Server at /Applications/Avid/AvidAudioServer, rename it to "#AvidAudioServer", and reboot your Mac.
Recording
Fixed an issue with Destructive Punch that could cause waveform overviews to be lost after session reopen
Routing & I/O Setup
Auto-created bus sub-paths, which are created by using the 'New Track' option, are now correctly mapped to the correct channels of the main path
Satellite Link
Stopping satellite system's playback, which has a smaller system delay than the connected machines, will no longer cause a jump in the timecode counter or video display
Eliminated certain cases where the transport would jump to a different position upon stopping the transport
Fixed an "Error encoding string" message that would appear if there was a frame rate mismatch between Pro Tools and Media Composer satellite systems
Satellites will now stop in the same position after shuttling
Synchronization
Video Ref Format no longer changes to NTSC when Clock Reference is changed (SYNC HD)
Setting the audio interface as the Clock Master now automatically sets Video Ref Source to External (Sync X)
Clock Ref Status now consistently displays 'Locked' when Clock Master is changed from Sync X to an audio interface
HD MADI Word Clock out is no longer interrupted when launching Pro Tools or opening sessions
‘Sync X' is now correctly displayed when Hardware Setup is closed and reopened after a sample rate change
When Sync X is enabled after launching Pro Tools, Clock Ref status is now properly displayed
Text in Session Setup and Peripherals dialogs is now translated into German, French, Spanish, Chinese, Korean, and Japanese (Sync X)
UI
Fixed a UI glitch in the right-part of Score Editor window
Inactive Object Panner is no longer transparent
Dark theme edit selections on muted clips as well as on clips on inactive tracks have been tweaked to better indicate that they are selected
Unallocated paths are once again legible in Field Recording "Select Areas to Search" window in Dark theme
Text is now legible in the Workspace/Soundbase search bar after resizing window - Big Sur only
Headers for some Pro Tools windows no longer blink in Dark theme - Big Sur only
The maximum density of grid lines on high-resolution monitors such as 4k and retina displays, has been decreased to be in line with that on normal resolution monitors
Graphical glitches are prevented when selecting with Object Grabber tool
Graphical glitches are prevented when zooming out in the Score Editor
Video
Fixed an issue where not all video files would relink upon session open, or when attempting to relink via the Relink Window
Fixed an issue that caused the "Restoring Video Files" progress bar to appear for a long time when opening a session on macOS Mojave and Windows
The transport no longer jumps backwards a few frames when stopping an open-ended record pass in Insertion Follows Playback mode
Fixed a case that would erroneously cause a "Physical RAM is running low" error when opening a session with many video files.
Fixed an issue that prevented video thumbnails from displaying for some Apple ProRes OP1a MXF files
H.263 MP4 files generated from Apple Compressor can now be imported
Apple ProRes files with the Clean Aperture setting will once again import with a raster size of 1920x1080
720p60 MOV files will no longer play video that is offset from the clip boundary
Workspace
The "Audio Files" folder in the Workspace Project Browser has been renamed to "Audio Files in Session" to better reflect that it is not directly referring to the physical session Audio Files folder