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REAPER supports all Windows version from Windows XP to Windows 10.

The Windows version also works well with WINE.

REAPER supports all OS X versions from 10.5* to 10.11.

Windows 32-bit
REAPER v5.201 - 9MB
Windows XP/Vista/7/8/10
Windows 64-bit
REAPER v5.201 - 11MB
Windows XP/Vista/7/8/10 x64
OS X 32-bit
REAPER v5.201 - 14MB
OS X 10.5-10.11
OS X 64-bit
REAPER v5.201 - 16MB
OS X 10.5-10.11
REAPER 5.201: We are great programmers, folks. We make the best software. Really terrific software. Everybody says it's the best. (applause)
  • Metronome: fix project metronome pattern not applying immediately, regression from 5.18 .
  • Notation editor: fix potential crash when entering lyrics outside the bounds of the media item .
  • VST: better behavior when manually re-scanning shell plug-ins
Notation editor
  • add MIDI notation editor!
  • handle most mouse and keyboard insert/edit behaviors identically to existing MIDI editor
  • save notation data with project MIDI; notation-specific import/export will come later
  • support single track or continuous scrolling multiple track view
  • support grid spacing (default) or proportional musical note spacing
  • support customizable display quantization
  • support optional automatic triplet detection
  • support inserting and editing arbitrary manual tuplets
  • support some articulation, ornaments, dynamics, pedal, octave notation
  • support lyrics, phrases/slurs
  • support automatic or custom beaming
  • support key signatures, clef changes, transposing instruments
  • support up to 3 voices, option to automatically voice overlapping notes
  • support non-standard accidentals (E sharp, G double-flat, etc)
  • support coloring selected notes or note heads by pitch, media source, velocity, voice
  • support custom note head glyphs per-note or per-pitch
  • optionally bracket tracks by project folder
  • make @serialize faster and use less memory
  • add WigWare Multi-Channel VU Meter
  • add midi_delay
  • eliminate more constant conditional expressions, improve code generation
  • fix match() matching %s at end of string .
  • send meta-events (beginning with FF) unwrapped via midisend_buf/str (do not treat as sysex)
Media items
  • add undo point when renaming source media
  • improve handling of zero-length items .
  • fix heavily-looped, resampled items .
  • fix very-zoomed-out peak display on very short looped items
  • improve stretch marker behavior with pitch shifting and 0ms stretch marker fade time
  • fix potential for incorrect take FX chasing/small seeks
  • vary take lane size in order to use all available space .
MIDI editor
  • add mouse modifier to select all later notes of same pitch
  • add mouse modifier to select all notes in measure (shift+alt+click by default)
  • add undo points when using velocity edit actions .
  • prevent note edit preview while recording .
  • allow separate selection link to visibility and editability in track list
  • change "paint notes or chords" mouse modifier to "paint notes and chords"
  • add trim volume envelope, actions to apply to/from trim to volume envelopes
  • fix inaccuracies reading mute envelopes when stopped .
  • improve actions to write all envelopes .
  • improve rounding behavior when at the end of square envelope segments .
.WAV files
  • avoid potential wave file reader crash .
  • fix junk being written to unused fields in certain cue chunks
  • improve fader/knob descriptions for VoiceOver and MSAA
  • improve project tabs/docker tabs/various other tabs with VoiceOver
  • fix certain keys in actions window filter box on OSX .
  • action to set item ends to start of next item only affects selected items .
  • try to normalize samplerates when opening multiple devices
  • only open one device when using a single default device
  • change default FX resize to down as well as up
  • reduce memory use for plug-ins with large state data
  • always encode color as RGB in .csv export .
  • fix cross-platform color translation issue
  • fix count-in rounding issue .
  • improve behavior when moving click sources across time signature changes .
  • fix potential hang when using theme that sets mcp_min_height=0 .
  • improve action behavior with docked but invisible master mixer
Project bay
  • improve handling of folders when full source media path changes
  • preserve source media folders when media is removed and re-added to project
  • update source media folders when renaming via media item properties
  • fix EEL match() matching %s at end of string .
  • fix potential memory leak .
  • fix incorrect history update when using save-as to an existing project .
  • warn when inconsistencies or errors occur loading undo history
  • add extensions to allow VST plug-ins access to video
  • support writing multichannel audio to video files using OS X AVAsset encoder
  • add global option, per plug-in compatibility options for ignoring/processing automation notifications
  • show shell plug-in scanning details when performing manual rescan
  • fix auto-mute UI disabling .
  • fix MIDI monitoring latency when stopped
  • reduce undo state memory use
  • fix potential crash when switching presets .
  • allow render blocksize as low as 4 samples
Save as
  • prompt when overwriting a file saved to a subdirectory .
  • add new master track layouts .
  • update play button state after various actions which stop playback .
  • improve MIDI_Sort function .

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