REAPER 5.3.0 (64-bit)

What's new in this version:

Control surfaces:
- add customizable Web Interface, easily accessed via http://rc.reaper.fm
- do not prompt when recording via surface and no tracks armed
- bring project media online when inactive and starting playback/record

ReaPlugs:
- improve analyzer display in ReaEQ/ReaXcomp (increased range, better integration behavior, interpolation bugs fixed)
- resize ReaEQ/ReaFir/ReaXcomp to parent window
- optionally log MIDI meta-messages in ReaControlMIDI

Video:
- improve reverse item playback performance

Notation:
- add Note Properties to note context menu
- add support for double and triple dotted notes
- add support for tremolo ornament
- make all visible tracks editable by default
- enable various mouse cursors (copy, move horizontally/vertically, etc)
- fix lost notation data when editing while using MIDI filter
- fix mouse editing of manually positioned tuplet brackets
- implement arpeggiate mouse modifiers (same behavior as piano roll)
- improve default tuplet bracket positioning for quarter and half notes
- make it slightly easier to enter a note at the start of a measure

ReaScript:
- extend gfx.drawstr() to support text justifying and clipping
- add joystick API
- optimize execution API functions added by extension plug-ins
- improve function prototypes/documentation in watch list
- make Lua/Python known-function detection/documentation case sensitive
- run __startup.eel/__startup.lua on startup (hold shift to disable)
- update Lua from 5.3.0 to 5.3.3
- fix graphics overflow when scaling very large bitmaps

MIDI:
- prevent re-selecting CC and text events when moving notes via action
- fix selection/editing of selected velocity and CC events when intermixed with unselected events
- prevent drawing note names/velocity when notes are too close together
- set default shift+alt+drag mouse modifier to no action (to avoid conflict with default shift+alt+click to select all notes in measure)
- update editor display when recording into secondary items
- chase notation messages when seeking

Actions:
- add actions to insert or extend MIDI to fill time selection
- add actions to import or export track MIDI lyrics

Development IDEs:
- add support for shift+click text selection
- support load/save of color presets in theme tweaker
- open ReaScript help directly to the language currently being edited

FX:
- support on-the-fly Audio Units PDC changes
- avoid close/re-open of FX UIs in certain instances (fixes potential macOS Melda crash)

Project tabs:
- respect 'offline background project media' when restoring application focus
- add default option to force project tabs visible when monitoring FX are in use

Action list:
- add context menu item to copy action text

Big Clock:
- improve count-in beats-only display at negative times

JSFX:
- extend gfx.drawstr() to support text justifying and clipping

LTC/MTC sync:
- add options to automatically stop recording on timecode loss and/or discontinuity

Lyrics:
- update Lyrics.lua to support lyric input and editing as well as display

Mixer:
- fix FX copy/paste menu items sometimes inserting FX instead

Peaks:
- allow bringing media project online while building peaks

Preferences:
- combine volume handle range preference with handle/knob preference

API:
- treat volume as dB rather than 1% of fader range in CSurf_OnVolumeChange relative mode
- add SetTrackMIDILyrics, GetTrackMIDILyrics, GetTrackName
- add MIDI_GetAllEvts, MIDI_SetAllEvts
- make APIExists() only return true for functions accessible via script (not C++-only APIs)