v6.63+dev0708 - July 8 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: fix grouped items deselecting on second click [p=2576299]
+ Performance meter: option to show FX CPU as worst-block (for diagnosing problematic realtime plug-ins)
+ Track grouping: "selecting one item selects group" selects only enclosed media items on follower tracks
+ Track grouping: add ReaScript/API support for ITEM_EDIT_LEAD and ITEM_EDIT_FOLLOW
+ Track grouping: add actions to enable/disable individual track groups
+ VST3: do not use VST3 bus silenceFlags if Buggy Compatibility mode is set
# Grouping: fix selecting all lead/follow in track grouping dialog [p=2575988]
# Media item grouping: when running actions (like split, etc), items on follower tracks are affected if they overlap at all with items on the leader track
# Track grouping: add actions to split item under mouse respecting grouping
# Track grouping: item edits are grouped only if the item on a leader track encloses the item on a follower track
# Track grouping: update track media/razor edit group display when enabling/disabling group
# Video: fix video playback on non-laned tracks [p=2576209]