REAPER 6.59

What's new in this version:

Media explorer:
- add actions to sort file list by specific columns
- display favorite state during searches
- support adding user-defined tags (any plain text, like "Instrument" or "Quality")
- user-defined tags will be cached locally and can be written to media files for some media types

Opus:
- when rendering, ensure user-entered bitrate is in range
- improve final packet rounding to minimize padding when encoding
- support encoding floating-point values greater than +0dB
- use smaller default frame size when encoding

Theme:
- fix minor sidebar issue in default theme
- restore old display behavior of pre-version 5 themes with transparent media item background images
- update theme tweaker description for shared theme color
- fix corner case of parsing .] in WALTER
- treat 'scalar==vector' in WALTER comparisons as 'scalar==vector{0}' rather than 'scalar==0'

Video:
- allow encoding video-only m4v/mov when using AVFoundation
- fix potential use-after-free memory error when using video processors and multiple copies of the same source
- improve ffmpeg bitrate controls for various codecs
- support passing ffmpeg command line options directly when rendering
- simplify WMF encoding settings

FX:
- allow setting FX instance oversampling for multiple items at once in chain view
- prevent unintended drag/drop of FX when quickly clicking on multiple track FX buttons in a row

macOS:
- fix appearance of modal windows when switching to/from dark mode
- when using default system output device, detect device changes (e.g. from plugging in headphones)

Razor edits:
- add mouse modifiers to select razor edit area and time together, in track, media item, and media item edge contexts
- handle mouse modifier mapped to "no action" by passing through to underlying context
- more precise peaks drawing at razor edit edges during mouse edits

Recent projects:
- add option to control whether projects are added to recent list when loading
- add option to disable 'Save copy of project' being added to recent list
- add option to have old project removed from recent list when using 'Save new version of project'

Render:
- when rendering MPEG-4, use .mp4/.m4v/.m4a extensions by default depending on whether audio/video streams exist (can be changed in render dialog if desired)
- improve normalization speed when rendering audio-only MPEG-4

Actions:
- add actions to move/copy contents of time selection to edit cursor

Batch converter:
- add menu item to display converted file properties

Click source:
- fix saving default shape setting

Color theme:
- apply mute/inactive/locked theme overlay to outer margins of media item background images
- Free item positioning
- do not normalize media item heights when cut/copy/pasting to FIPM track

Linux:
- fix crash on startup when loading docked FX

Metronome:
- correctly use default-project samples when creating a new project and previous project had samples set

MIDI editor:
- add undo points when changing time selection via alt+right drag

Performance:
- reduce audio thread interruptions when moving/copying contents of project regions

ReaInsert:
- slight thread scheduling optimization

ReaScript:
- support GetMediaFileMetadata(src, "Generic:BPM") to get any existing BPM metadata

ReaVerb:
- fix channel tool total channel count configuration state save/restore

Resampling:
- prevent excess RAM use when resampling during recording/render/bounce when output is mp3, opus, or MPEG-4/WMF

Routing matrix:
- fix macOS resize drawing glitch

Save-as:
- convert/trim will now convert .m4a files

Startup:
- detect when an incomplete upgrade/install occurred and warn user

Track routing window:
- fix display issues with UTF-8 localizations

VST:
- add option to allow multiple plug-ins with the same VST3 UID16

Windows:
- add projects to system-wide recent documents list on save