REAPER v6.43+dev1223

v6.43+dev1223 - December 23 2021

* Includes feature branch: render internals simplification/cleanup
* Includes feature branch: user-defined action overhaul
* Includes feature branch: media item normalization
* Includes feature branch: media explorer toolbar
* Includes feature branch: media item fixed lanes
* Includes feature branch: JSFX internals overhaul/cleanup/modernization
* Includes feature branch: Windows very long pathname support
+ Actions window: improve sizing behavior with langpack-adjusted button sizes
+ Custom actions: fix certain characters being entered on macOS [t=249471]
+ Keyboard: fix various cross-platform key aliasing corner cases
+ Media explorer: improve selection behavior on Windows after navigating with arrow keys
+ Media items: when normalizing multiple items to an integrated loudness value, support either normalizing each item separately or normalizing the combined (sequential) output of all items
+ Media: fix adjusting media to tempo suggested by filename or metadata when inserting via action
+ Razor edits: do not delete/cut/copy razor edits when cursor focus is on track control panels
# Actions: fix UTF-8 support for actions list/actions editor
# Actions: workaround SWS issue, SWS should be updated to not unregister IDs it doesn't own (or not unregister IDs at all, really)
# Keyboard: improve default shortcut definitions for MIDI editor channel selection
# Media item lanes: fix oversensitivity of items moving between lanes when mouse editing
# Media items: fix action to reset take gain to +0dB
# Media items: normalize all takes in a media item if "play all takes" is enabled
# Preferences: reword preferences for importing media with embedded tempo information
# ReaEQ: fix parallel band pass selection via menu