REAPER 6.13 (64-bit)

What's new in this version:

MIDI:
- add option to apply default CC shape to recorded events
- fix inline editor CC labels for unnamed CCs
- fix inline editor menu, add missing actions
- improve CC lane selection UI
- improve marquee selection in CC lanes when MSB/LSB events are mismatched
- improve 14-bit lane usage indicators

Windows:
- fix clipboard issues when a script or custom action thrashes the system clipboard
- improve alt key menu activation behavior when alt-tabbing from REAPER and back
- fix potential ASIO driver incompatibility
- fix Track/Region/Marker Managers text field focus issue
- fix default extension for VST3 preset export
- fix UTF-8 values in ReaScript watch window
- always install bridging support

Automation:
- add actions to insert envelope point at current position and not remove nearby points
- add action to add/edit envelope point exactly at cursor
- improve horizontal guide line positioning
- fix pasting envelope points at mouse position via action

Render:
- support / (create folder) in target filename
- add $folders wildcard for rendering/recording, to create disk folder structure based on track folders
- fix $region and $regionnumber wildcards when used together
- update $samplerate wildcard properly when changing render settings

System:
- fix potential crashes due to high socket use on macOS and Linux
- notify when disk write errors occur or a disk becomes full
- add Preferences/Audio option to bypass audio processing when disk write error notification occurs
- fix reduce_open_files() and associated advanced experimental preference (6.11 regression)

Theme:
- fix misc_dpi_translate mapping bug
- improve DPI scaling logic, improve layout_dpi_translate behavior, improve default sizing on 125% displays
- minor default theme updates
- improve theme adjuster font sizes on Linux

Action list:
- reduce ReaScript/Custom Action button redundancies
- auto-populate editor with selected actions when creating new custom action

Media import:
- support pasting files from explorer/finder directly into arrange view
- fix playback when importing resampled .wav files with embedded transient information as beat slices

Notation:
- fix incorrect notation of native MIDI key signature event in A minor
- fix persistence of note staff positioning when using multiple staves

OSC:
- always send wet/dry notifications even when outside of device FX parameter bank size
- support /actions/_REGISTERED_COMMAND_ID

Project bay:
- add undo point when editing media item groups
- fix crash when removing media items from group

ReaScript:
- fix envelope undo issues with SetTrackStateChunk
- PreventUIRefresh() inhibits Undo-related UI updates
- fix EEL2 float-to-string rounding errors on macOS/linux (also affects Video, JSFX)

Tempo map:
- add action to create a single measure from time selection
- restore pre-6.02 default behavior of action to create measure(s) from time selection, auto-detecting number of measures

WAV:
- support writing 32-bit PCM
- improve performance/behavior when reading large malformed .wav files
- improve description of rendering format

Batch converter:
- improve command line documentation

FX:
- improve parameter linking to use wet/bypass/parameter-ID hinting for source parameter

Linux:
- fix action to spawn new REAPER instance

Media explorer:
- fix database/metadata cache issues for large files, post-2037 dates

Media items:
- when enabling loop item source, ensure start offset is not negative

Mixer:
- fix resizing between send and fx parameter lists when track inserts are not displayed

Project encoding:
- better corner case handling of text strings containing newlines/carriage returns

ReaScale:
- improve default path for Load... command

ReaSynth:
- fix portamento on non-overlapping notes

Recording:
- support automatically creating folders (including based on wildcard substitution) for recorded files

REX:
- update Windows shared library to version 1.8.3, includes unbridged 64-bit support

Routing:
- fix multiprocessing issues with certain feedback structures (6.12 regression)

RS5k:
- update UI/channel count/voices when adding/changing samples via ReaScript

Sends:
- improve audio performance when deleting sends while send UI is displayed

Takes:
- fix action to collapse empty take lanes

Toolbars:
- apply MIDI toolbar actions to the focused MIDI editor, even if the editor is not in piano roll mode (many actions will work in any editor mode)

Track metering:
- improve pre/post-fader corner cases on record armed tracks

Vorbis:
- do not render an empty file if output parameters are invalid

Web interface:
- reduce latency of web server