REAPER v6.45+dev0113

v6.45+dev0113 - January 13 2022

* Includes feature branch: FX chain oversampling
* Includes feature branch: render internals simplification/cleanup
* Includes feature branch: user-defined action overhaul
* Includes feature branch: media explorer toolbar
* Includes feature branch: media item fixed lanes
+ Metadata: add ASWG dialogue projection level field
+ RS5k: fix incorrect resampling at end of sample (most obvious with r8brain free)
+ macOS: improve appearance of routing matrix in dark mode and default theme
+ macOS: run media/afx worker threads in realtime/audio workgroup if Time Critical priority is set
# MIDI: main section action to reload MIDI track support files affects only selected tracks
# macOS: accessibility arrow key fixes