REAPER 6.29 (64-bit)

What's new in this version:

ReaSurroundPan:
- add new 2D/3D surround panner plug-in
- supports common speaker spatial arrangements and user-customizable arrangements up to 64 inputs/outputs
- add actions to display ReaSurroundPan embedded in TCP or MCP
- support axis linking (forcing edits to a particular shape on the z-axis)
- support editing anchor channel via controller, but does not record automation
- support per-channel delay

Razor edit:
- add razor edit envelope editing behaviors
- add mouse modifiers to expand or compress envelope range, relative to average value or toward top/bottom
- ensure that pasted media items remain grouped and pasted automation items remain pooled across tracks
- fix media item display after pasting razor edit area and zooming
- skip hidden envelope lanes when marquee-creating razor edit areas with "move envelope points with razor edits" disabled
- when editing or cutting, group the remaining right-hand side of items separately from the left-hand side
- when mouse-copying items, create new groups if necessary

FX:
- fix monitoring window persistence when using new undo point option
- improve embedded FX update frequency when mouse-editing
- improve docked mixer visibility restoration when adding FX via docked FX browser
- fix visual display of TCP/MCP parameter knob when parameter min/max is reversed

Media explorer:
- add option to preview through track named "Media Explorer Preview"
- fix re-sorting randomized file list after running action to set file as favorite
- fix searching after renaming file
- refresh display after resetting column order to default
- support adding additional user-specifiable metadata display columns

ReaScript:
- show file/line number for Lua calls to ReaScriptError()
- improve Lua ReaScriptError() behavior when called from extension-added functions, allow ! prefix to stop script execution
- support "NUMCHANNELS", "NUMSPEAKERS", "RESETCHANNELS" for ReaSurroundPan via Track/TakeFX_SetNamedConfigParm
- ReaSurroundPan FX_Get/SetNamedConfigParm("NUMSPEAKERS") will interpret a value like "6S" as 6-channel surround, "8I" as 8-channel ITU, "12A" as 12-channel Auro, etc

Envelopes:
- add "remove envelope" action to envelope control panel context menu
- fix possible redraw of media lane envelopes when opening project

JSFX:
- allow export_buffer_to_project() to use 64 channels
- effects may now request samplerate for opened media using file_riff(fh,nch='rqsr',srate=desired_samplerate);

Notation:
- fix key snapping on first beat of local key signature change
- improve edit cursor position rounding when using snap to samplerate
- assign current voice when inserting notes via "insert note at nearest A/B/C/etc" actions

Ruler:
- add option to display region name when region start is offscreen
- add option to hide region number if region is named

Spectral edits:
- fix issue with playback starting after item loop
- improve performance with large numbers of spectral edits

Super8:
- allow drag-drop of samples to channels
- improve layouts when UI is resized very wide or very tall
- improve MIDI-control behavior when same note/CC is assigned to a channel's record and play controls

Actions:
- rename "Envelope: Clear envelope" to "Envelope: Clear or remove envelope"

Automation items:
- action to create new automation item uses razor edit areas if they exist

macOS:
- rename ARM build to REAPER-ARM.app, Intel 64-bit to REAPER.app, update volume labels of disk images

Media items:
- when mouse-moving selected area of grouped items, group the remaining right-hand side of items separately from the left-hand side, for consistency with cut/paste behavior

OSC:
- support touch status for up to 2048 tracks

Project bay:
- show bypass/offline status for FX that are unavailable

Project metadata:
- disallow spaces in IXML element identifiers

ReaPlugs:
- display more significant digits of ReaDelay/ReaPitch pan position

Theme:
- add razor_env, razor_env_l, razor_env_r cursors

Video:
- improve default ordering of 2x2 matrix preset

VST3:
- actually support third-party embeddable UIs via IReaperUIEmbedInterface interface

API:
- add hwnd_info hook for improved plug-in global hotkey integration
- fix typo in documentation of IReaperUIEmbedInterface

GetSetProjectInfo_String() supports TRACK_GROUP_NAME:x
- run hookpostcommand2 hooks for reascripts and custom actions