v6.46+dev0126 - January 26 2022
* Includes feature branch: batch converter improvements
* Includes feature branch: improved zoomed-in peaks performance
* 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
+ Batch converter: improve responsiveness when using $samplerate wildcard with many files
+ Batch converter: much faster file list update when many filenames collide
+ Batch converter: update $samplerate wildcard correctly when changing sample rate
+ Notation editor: fix scrub mouse mapping [t=218135]
+ ReaScript: MIDI_GetEvt/Note/CC/TextSysexEvt with negative event index now return false
