REAPER 6.43 (64-bit)

What's new in this version:

CAF:
- support reading/writing .caf (Core Audio Format) media files

Video:
- add OpenGL display output support for Windows and Linux
- fix audio encoding with ffmpeg 4.4
- add input_match() and input_matchi() helpers for video processors
- allow setting take section/reverse in media item properties for video files with no audio or audio disabled
- improve synchronization behavior with output display offset and project varispeed  

Samplerate conversion:
- add r8brain free mode (courtesy Aleksey Vaneev of Voxengo)
- reorder and rename various modes
- improve dynamic varispeed playback quality

macOS:
- now distributed in three flavors: Universal (x86_64/ARM64), x86_64 optimized for macOS 10.14 and earlier, and i386
- dark mode appearance tweaks for render status and media item fade menus
- fix dark mode default behavior on Monterey
- fix text label appearance after dark mode/light mode change on Catalina-Monterey
- fix possible crash on exit when previously failed to load a VST3
- fix video display issues when retina is disabled in preferences
- improve special-key binding mode focus behavior
- improve cross-OS up/down/home/end key mapping compatibility
- improve handling of numpad enter key
- improve keyboard behavior in nudge window
- improve video colorspace conversion support on arm64
- improve keyboard shortcut descriptions in menus for various keys  

Media explorer:
- add action to focus search field, Ctrl+F/Cmd+F by default
- add action to reset preview pitch
- add configurable preview crossfade
- add pitch/rate knob behavior options to options menu
- always search in enabled metadata fields regardless of whether searching a database or file folder
- add option to read file metadata if not already cached when searching file folders
- display metadata for files during search, even if searching in metadata is disabled
- fix possible crash after updating peak volume metadata
- force browser to refresh after completing search
- support editing some metadata for .RPP files
- support running custom actions from customized menus
- when dragging media into project, respect media explorer setting to preserve pitch when changing rate or tempo-matching

ReaScript:
- add bandpass type to TrackFX_SetEQParam, etc
- Envelope_GetParentTrack/Take always return index/index2 in Lua
- Fix GetUserFileNameForRead() when called with forward slashes on Windows
- GetEnvelopePointEx/GetEnvelopePoint/Envelope_Evaluate always return all output parameters in Lua
- improve ident strings for VST plug-ins (include VST2 and VST3 IDs)
- Lua functions do not type-check parameters which are output-only
- make output-only parameters optional in EEL2 when possible
- ReaLimit supports Track/TakeFX_Get/SetNamedConfigParm for THRESHOLD, CEILING, TRUEPEAK
- save/load script and "P_EXT:" extension data for the master track
- TimeMap_curFrameRate() always returns dropFrame in Lua
- Track/TakeFX_GetPinMappings/IOSize always return all outputs in Lua

Metadata:
- first tab of project metadata dialog lists only elements that are supported by multiple schemes, rather than every known element
- include link to official specification for various schemes on file metadata dialog
- rename "Title" category to "Main"
- support ASWG metadata
- support CAF channel layout metadata
- support displaying and embedding BEXT version 2 metadata
- support renaming presets
- support sorting project metadata dialog by description, value, or key

Razor edits:
- add option in Preferences/Project/Media Item Defaults to overlap and crossfade when finalizing razor edits
- rename "Move envelope points with razor edits" preference to "Razor edits affect all track envelopes"
- scroll view to new cursor position after cut/copy/paste
- add preference to always trim content behind razor edits to Preferences/Project/Media Item Defaults
- improve behavior of overlapping razor edits on a single track when "razor edits affect all track envelopes" enabled
- fix behavior when auto-creating new tracks during razor edit
- fix fade drawing glitch when media items and razor edits are offscreen left  

Render:
- add option to automatically write peak/loudness statistics into rendered file metadata
- fix rendering video using ffmpeg with mp3 audio encoding
handle resampler latency properly at end of file when applying dither or using secondary render - format
- optionally save render output directory with presets
- support embedding WAVFORMAT_EXTENSIBLE and CAF channel layout tags in render metadata
- support normalizing/limiting video files

JSFX:
- produce parse error on unknown number suffixes or incomplete hexadecimal strings (also affects ReaScript and video processors)
- fix default focus of plug-in UIs on Linux
- fix get/set_pin_mapping() behavior on ARM systems
- fix win32 pow() issue with older non-Intel processors  

Media items:
- multiple notes windows can be open at the same time
- action to open item notes acts on all selected media items, closes notes windows if they are already open
- support resizing item notes window
- support word wrap in media item notes
- word wrap text display within empty item if set, don't scale text below default size

Windows:
- catch more cases where disk writes fail at end of file due to disk error/full
- fix assigning key bindings for some keyboard layouts/extended keys
- support global overrides for media keyboard keys
- support separate key bindings for NumPad Home/End/etc (falling back to non-NumPad bindings)
- workaround wine bug with NM_CUSTOMDRAW on checkboxes (includes actual check in CDDS_PREPAINT)

Actions:
- warn when command ID exhaustion occurs due to too many custom actions or ReaScripts
- when adding/editing key bindings, put new binding at front of list
- add "open" as a synonym for display/view/show

Batch converter:
- include more types of metadata when "preserve metadata" enabled
- retain display column widths when reopening
- support video normalization/limiting

Big Clock:
- improve font size for HMSF view on Linux
- when display is too long to fit in window, left-justify

Command line:
- support loading .RfxChain/.fxb/.fxp/.vstpreset files to new tracks
- support render normalizing and brickwall limiting from command line interface

FX:
- allow dragging/pasting .fxp/.fxb/.vstpreset/.RfxChain files into chain window, to create new FX instances or change preset of existing instances
- when dragging .RfxChain files from OS, auto-create new tracks if necessary, replace existing FX if alt key held

Linux:
- improve special-key binding mode focus behavior
- fix moving non-native plug-in windows from docked to undocked FX chains, etc
- improve handling of numeric keypad control key shortcuts (note: may require manually re-binding non-keypad control key shortcuts, which were previously improperly encoded)

Notation editor:
- prevent unnecessary scrolling after some actions
- snap to key when inserting note at mouse cursor  

Peak building:
- improve UI responsiveness while building peaks
- improve peak building speed using background threads

ReaPlugs:
- fix filter positioning on samplerate change for ReaDelay and ReaVerbate
- fix sidechain filter issue in ReaGate and ReaComp (introduced in 6.37)

Scrub:
- improve ballistics
- improve samplerate conversion quality, other behaviors

VST:
- keep full VST3 GUID in reaper-vstplugins.ini and reaper-vstshells.ini
- hide and allow re-scan of shell-plugin instances which previously failed to scan

ARA:
- update SDK to version 2.00, with ARM support

FLAC:
- support decoding additional sample bit depths  

LV2:
- fix loading of plug-ins that have duplicate rdf "seeAlso" links  

Menus:
- preserve consistent keyboard shortcut display when multiple shortcuts assigned  

MIDI notation and inline editor:
- support custom actions/reascripts in customized context menus  

Peaks:
- fix crash when using spectral peaks/spectrogram on a media file which is recording in another tab

Performance:
- avoid interrupting audio when removing tracks with open send windows

Project bay:
- fix creating folder in automation items tab  

Project save:
- improve validation of saved project size to prevent poor behavior with Google Drive

Projects:
- hold shift to open recent project in new project tab

ReaSurroundPan:
- add 9.1.4 speaker setup

Region/marker manager:
- improve import of regions in H:M:S:F format  

Ruler:
- increase tick mark resolution to prevent potential skipped gridlines when using 1/32 triplets

Take FX:
- correct pin mapper help text to clarify that take FX can receive audio from any take channel, but not track channels

Time:
- fix display of very large values in sample scale

Tracks:
- rename track playback offset setting to media playback offset  

WAV:
- display WAVFORMAT_EXTENSIBLE channel assignments in media source properties

Wildcards:
- support start time, tempo, time signature wildcards in filenames when consolidating or gluing

Zoom:
- add preference to center vertical zoom on top of view (does not scroll), remove preference to center on top visible track (which scrolls)