REAPER v6.56+dev0429

v6.56+dev0429 - April 29 2022

* Includes feature branch: Rrreeeaaa timestretching mode
* Includes feature branch: improved render loudness charts
* Includes feature branch: render individual tracks via master track using render matrix
* Includes feature branch: fix potential partial undo points being added
* Includes feature branch: media item fixed lanes
* Includes feature branch: video decoding/encoding via Windows Media Foundation
* Includes feature branch: internal pin management overhaul for future extension
* Includes feature branch: display options for recent projects list
* Includes feature branch: media explorer user-defined tags
+ Media items: improve interaction with item height preferences when using free item positioning [p=2552306]
+ Render: respect option to add rendered files to project when preference enabled to return to render settings window after render [t=266061]
+ Video: update Grid of Videos preset
# API: revert "track MIDI previews are no longer tracked by note-on tracking"
# Media item lanes: re-fix adjusting lanes when moving media items across tracks [p=2552687]