v6.63+dev0710 - July 10 2022
* Includes feature branch: track media/razor edit grouping
* Includes feature branch: render fade-in/fade-out
* Includes feature branch: pan law/function improvements
* Includes feature branch: media explorer loudness calculation
* Includes feature branch: render statistics improvements
* Includes feature branch: improve experimental silent-track CPU reduction option to include FX tail length
* Includes feature branch: media item fixed lanes
* Includes feature branch: internal pin management overhaul for future extension
+ Grouping: increase size of media item group border
+ Grouping: mouse modifier to toggle item selection respects grouping when selecting or deselecting [t=259823]
+ Mouse modifiers: add media item left-click modifier to toggle item selection ignoring grouping [t=259823]
+ Region manager: sort take markers in project time order
+ Track grouping: items behave as grouped if at least half of the item on the follower track overlaps the item on the leader track
# Actions: fix new action to split items respecting grouping, select left side [p=2576478]
# Grouping: refresh item grouping indicators after moving media items [p=2576301]
# Track grouping: media/razor edit grouping respects action to enable/disable all track grouping
# Track grouping: update grouping dialog when enabling/disabling groups
# Track grouping: use the same follower overlap criteria for selecting, editing, and actions
