avoid occasional hit testing rounding error •
improve handling of trilled chords •
draw slurs attached to the top or bottom of a chord ...
extend GetLastTouchedFX() to support take FX •
prevent possible crash when a script calls for REAPER to quit •
return 0 from GetFocusedFX() when last focused FX is not visible, update documentation for accuracy ...
support per-project tempo envelope display range
add action to set project tempo envelope display range to current project min/max bpm
update all project tabs when changing tempo envelope range • ...
fix browser memory leak when updating custom FX tags and folders
fix preferences display of certain quoted filters
fix reading of smart folder filters that begin/end with quotes • ...
Notation editor: NEW in 5.20 - Compose and edit MIDI as musical notation, or view and edit recorded MIDI. Flexible mouse editing, key signatures, multiple clefs, dynamics, voices, lyrics, tuplets, articulation, ornaments, slurs, and more.
FX:VST3 support, sample-accurate automation for VST3 and JSFX, FX browser improvements.
ReaScript:API and scripting improvements, including a built-in development environment for creating and debugging scripts in Lua, EEL, or Python. Create anything from simple macros, to complex new functionality.
Control grouping:Flexible, automatable VCA control. Link groups of track controls together at any point in the signal flow.
Video:Many improvements to video support and performance, including real-time programmable track and item effect processing.
FX parameter automation:Full automation and MIDI/OSC learn support for per-take FX, improved FX envelope and modulation management via the Project Bay, increased automation recording speed.
New GUI layouts, Media Explorer improvements, metronome beat patterns, Opus support, MIDI note-off editing, new volume envelope modes, new actions and API functions, and many other fixes and improvements