与v1.857版本的变化：
Fixed inserting MIDI as file when import is set to import as MIDI event.
MIDI editor mute events action (alt+M).
Hotkeys to switch MIDI editor mode between piano, named notes, and new list view.
MIDI editor preliminary event list view (alt+3 to activate).
Fixed virtual MIDI keyboard appearing in record inputs.
Fixed bug where quickly switching to reaper + starting playback would sometimes leave media offline.
Fixed "Insert Media" dialog with cancel memory leak.
Fixed allnoteoff sending on start of playback.
Don't move edit cursor on shift/ctrl+click item is now on by default (for new installs).
Fix to fader bitmap loading when images not found.
Fix for accidental drag and drops in media explorer.
Added MIDI cc events for last touched track vol/pan/mute/solo/recarm, added action to set selection to last touched tra
ck (for other actions).
Upped max actions per macro to 6.
reaper.exe now uses msvcrt (30kb installer shrinkage).