v6.46+dev0130 - January 30 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: after canceled conversion, convert button offers to convert only not-yet-converted files, or all files
+ Batch converter: after canceled conversion, remove button offers to remove only completed files or all files
+ Batch converter: reorganize controls to separate settings that are not included in presets
+ Command line: output usage help to stdout as well as displaying in a popup window