REAPER (64-bit)

What's new in this version:

- Control surfaces: send active-sensing messages for HUI mode
- FX: do not default to square envelope points on parameters that have a large number of steps defined [p=2016907]
- FX: improve win32/mac plug-in filename parsing for projects saved on linux
- Glue: do not re-open MIDI editors for items whose editors were hidden
- JSFX: add rate control for spectrograph plug-in
- JSFX: gfx_getchar(65536) returns special window information flags
- Linux: add ALSA MIDI support, do not show MIDI-only devices in audio configuration
- Linux: add system hidpi detection, can disable using ui_scale_auto=0 in reaper.ini, or override using ui_scale=
- Linux: reuse existing REAPER instances when opening files from desktop environment (use -newinst command line parameter to override)
- Linux: improve appearance, include libSwell.colortheme (copy to .config/REAPER/libSwell-user.colortheme to override)
- Linux: rename main executable reaper (from reaper5)
- Linux: fix control surface support
- Linux: fix external editor support
- Linux: fix file association icons
- Linux: simplify desktop integration to only add a single item to applications list
- MIDI devices: add retry button to audio/MIDI device error window
- MIDI devices: warn when a previously-enabled device is not connected (you may see new warnings about MIDI devices from your past)
- MIDI devices: show previously-connected devices in device list, allow forgetting those devices
- MIDI devices: allow changing the device ID of input/output devices to enable I/O consistency between multiple computers
- MIDI devices: rescan when opening MIDI device tab or resetting (may depend on specific driver/OS behavior)
- ReaScript: fix validation of PCM_source parameters [p=2015950]
- ReaScript: gfx.getchar(65536) or gfx_getchar(65536) return special window information flags
- Video: add ffmpeg 4.0 support
- Video: add Colorize preset
- Video: gfx_procrect() can take mode=1 to apply Y values to U/V (colorization mode)