REAPER v6.72rc2

v6.72rc2 - December 7 2022

* Includes feature branch: razor edits on master track envelopes
* Includes feature branch: track grouping manager dialog
* Includes feature branch: track media/razor edit grouping
+ Actions: add view envelopes for last touched track/item
+ Media items: add left-click mouse modifiers to select item and move edit cursor ignoring grouping
+ Track edit grouping: when "automatically group selected tracks for media/razor editing" enabled, respect preference "mouse click/edit in arrange view changes track selection" when clicking on empty track space but disregard when clicking on a media item
+ Video: increase maximum parameter count to 40
+ Video: support scrollbar for processor knob bank
+ Video: use hidpi/retina drawing for processor knobs
# Track grouping: fix dual-trim editing on grouped tracks [p=2621055]