+ ARA: handle ARA state load error without interfering with extension state loading [p=2151344]
+ Arrange view: avoid excessive redraws during some mouse edits
+ Envelopes: don't preserve relative differences between points when editing via action [t=222016]
+ Envelopes: fix inconsistency when loading projects with bezier envelope points
+ Envelopes: fix time selection edits that start at the beginning of a media item [p=2154450]
+ Envelopes: improve UI performance when recording send volume/pan automation [t=207384]
+ FX: fix potential crash on macOS/Linux when auto-switching visible FX chain [t=222841]
+ FX: fix ReaTune per-take FX tail issue [t=221956]
+ Jump to time: add support for jumping to relative time in earliest selected media item
+ Localization: improve alignment of various auto-resized controls when arranged in columns [p=2146661]
+ MIDI editor: handle converting multiple selected events between 2-byte and 3-byte messages [p=2154933]
+ MIDI editor: support copy/pasting events between CC lanes and channel pressure lane [p=2154852]
+ macOS: fix system Services menu [p=2150593]
+ macOS: use standard Window/Help menu ordering
+ macOS: add osx_max_open_files= reaper.ini tweak [p=2156238]
+ Media items: add optional per-item ruler display
+ Mixer: fix slowness when opening mixer [t=222728]
+ Mouse modifiers: fix preference to ignore targeting media item lower half [t=222080]
+ Mouse modifiers: improve handling of empty take lanes when targeting media item lower half [p=1683360]
+ Notation editor: fix chasing key signature changes when displaying multiple tracks [t=222703]
+ Notation editor: fix chasing clef changes when media items overlap [t=219859]
+ Nudge: fix issue with calling nudge-by-settings-slot before opening nudge window [p=2156424]
+ Peaks: do not set all media online after building peaks [t=222807]
+ Peaks: fix bug in waveform drawing with some themes and settings (5.979 regression) [t=222229]
+ Performance: improve low-latency behavior by avoiding destroying media buffers from audio threads
+ Performance: fix live FX multiprocessing issue with folder tracks causing media buffer underruns
+ Performance: reduce audio device underruns when pausing
+ ReaScript: simplify display of line numbers in IDE error messages [t=222740]
+ ReaScript: improve Python compatibility with unicode strings
+ Ruler: in frame mode, display one tick mark per frame when possible
+ Render: add option to render selected tracks via master
+ Render: improve use of $item wildcard when rendering project regions
+ Render: support $item and $track wildcards when rendering selected media items via master
+ Render: when rendering selected tracks or media items via master, also render children and receives [p=2151904]
+ Toolbars: improve automatic button images for various Set: actions
+ VST: limit preset dropdown to 512 presets of each type
+ VST: improve support for VST3 MIDI program change messages

+ API: allow plug-in accelerator hooks to get modifier key messages on macOS [t=221368]
+ API: allow plug-in registered accelerators to override inline MIDI editor keyboard [t=220182]
+ Actions list: support searching by key bindings
+ Actions list: increase size of key assignment list
+ Actions list: support global scope for key bindings in main action section (actions can be triggered regardless of which window has focus)
+ Bounce: support wildcards for file name when recording live output
+ Configuration: store item and track-specific docker preferences with the project, not globally [p=2136380]
+ Envelopes: fix occasionally incorrect behavior of "reduce number of envelope points" dialog [p=2132696]
+ Envelopes: allow dragging automation items to other envelopes displayed in media lanes, but only if the destination envelope is unambiguous
+ Envelopes: copy/paste into most recently selected envelope, if no envelope is selected
+ FX: fix browser memory leak when updating custom FX tags and folders
+ FX: fix preferences display of certain quoted filters
+ FX: fix reading of smart folder filters that begin/end with quotes [t=220783]
+ FX: allow inserting FX via shortcut when tracks are visible in mixer but hidden in arrange view
+ Freeze: fix warning message when freezing a track with pre-FX sends [p=2140260]
+ Glue: fix take FX automation [t=220858]
+ macOS: allow 32-bit VST bridging on Mojave (enable 32-bit AU scanning by adding au_scan32=1 to reaper.ini)
+ MIDI editor: improve keyboard preview note-off detection [t=221273]
+ MIDI editor: improve responsiveness when many CC lanes are displayed [t=221039]
+ MIDI editor: support moving edit cursor when clicking in CC lanes
+ MIDI editor: support copy/paste of CC events from one lane to another
+ MIDI: support linking program change messages on all channels sequentially to FX preset changes
+ Media explorer: avoid creating time selection on tiny mouse moves
+ Media items: apply fades identically to all items even if they previously had customized fade curves [t=221424]
+ Notation editor: avoid occasional hit testing rounding error [t=221388]
+ Notation editor: improve handling of trilled chords [t=220743]
+ Notation editor: draw slurs attached to the top or bottom of a chord
+ Notation editor: fix musicxml export of grand staff in certain situations [p=2134187]
+ Notation editor: fix musicxml slur export
+ Notation editor: fix occasional note layout issue [p=2140986]
+ Notation editor: fix tuplet/chord interaction display
+ Notation editor: improve musicxml export with multiple staves/voices
+ Notation editor: improve musicxml tuplet export
+ ReaScript: extend GetLastTouchedFX() to support take FX [t=221165]
+ ReaScript: prevent possible crash when a script calls for REAPER to quit [t=221191]
+ ReaScript: return 0 from GetFocusedFX() when last focused FX is not visible, update documentation for accuracy
+ ReaScript: support basing functions that affect points in automation items on either one full loop iteration, or all visible points (see documentation)
+ ReaScript: support custom field separator in GetUserInputs function
+ ReaScript: support get/set selected state for automation item points
+ ReaScript: support opening files with spaces in the filename in external editors [t=219345]
+ ReaScript: support optional arguments in extension-supplied functions when called from Lua [t=219455]
+ Recording: improve MIDI CC/pitch/aftertouch behavior in touch-replace and latch-replace modes, add option for CC timeout in prefs/media/MIDI [t=220218]
+ Recording: add action to set recording pass counter to any number
+ Render: add wildcard $timelineorder_track [t=221235]
+ Render: add support for padding digits to wildcards like $filenumber[000], $timelineorder[000] [p=2139368]
+ Render: add option to render selected items through master track
+ Render: improve labeling of dither/noise shaping controls [t=220725]
+ Tempo map: support per-project tempo envelope display range
+ Tempo map: add action to set project tempo envelope display range to current project min/max bpm
+ Tempo map: update all project tabs when changing tempo envelope range [t=220431]
+ Tempo map: don't begin "create measure from time selection" action if user cancels the dialog [t=221511]
+ Tempo map: fix "create measure from time selection" action when there are tempo markers close to the start/end [t=221510]
+ Tempo map: improve actions to set tempo from time selection when multiple bars are selected
+ Track manager: avoid inconsistent track visibility state [t=221397]
+ Track panels: prevent reordering tracks on tiny mouse moves
+ Undo: improve vertical scroll issues with large envelope panels [t=220809]
+ VST: limit VST3 built-in program dropdown display to 512 presets (for VEP)
+ VST: improve default keyboard handling for ARA plug-ins
+ VST: show non-automatable parameters in generic parameter UI for accessibility purposes
+ Video: improve IDE syntax highlighting and help for various string functions