Action: insert multiple tracks
API: added functions: AddProjectMarker, DeleteProjectMarker
Automation: new volume/pan envelopes display the current track fader value
Crossfades: fixed auto-crossfade when control+drag copying items
FLAC: fixed multichannel read support
FX chains: automatically increase track channel count when loading FX chains that use more channels
Glue: special fade handling when gluing multiple items starting or ending at the same time
Mixer: consistent scroll behavior regardless of number of tracks, autoscroll to newly added tracks
Master: no reset of master mono/stereo setting after automatically muting on overload
Media items: button to display item properties, by default shown only when the item is resampled
Media explorer: configurable default-handling of project files, better context menus
Media explorer: filter fixes
Menus: most commonly used menus can be customized (add/remove actions, submenus, rename menu items)
Menus: menu customizations can be imported/exported to file
MIDI editor: user preference to flash keyboard notes on track input note-on
MIDI editor: setting to snap note ends to grid when snap enabled
MIDI editor: fixed snapping bug when following project beats and grid is 1/4 note triplets
MIDI editor: better keyboard handling in text fields
Mousewheel: fixed control+mousewheel for fine slider moves in parameter modulation and send windows
Mute/solo: setting via right-click follows selection/grouping unless overridden with shift key
OSX: preliminary media explorer
OSX: fixes for file browse dialog with certain paths
OSX: vast keyboard system fixes and improvements
OSX: fixed main window actions working in undocked transports
OSX: disk reading does not use F_NOCACHE on remote filesystems
OSX: virtual MIDI keyboard fixes
OSX: fixes to mixer autoscrolling
OSX: midi list editor supports in-list editing
OSX: fixed visual glitch with docker
Peak building: optimizations (50-150% faster on .wav files in our tests)
Peaks: when using alternate peak path, put peaks in numbered subdirectories for better performance
Peaks: low quality preview peaks during building are now are more consistent with finished peaks
Peaks: aborted peak generation removes partial (invalid) peak files
Project load: replacing files with different types will scan for the same file type for other missing files
Project/template load: current working directory defaults to project/template path
ReaScript: added GetTrackState, expanded html help, set undo point after script executes
ReaScript: capture Python compile-time and run-time error messages for display
ReaScript: fixed get/set of integer-type track, item, or take parameters
Take names: automatically focus take name field when displaying item properties
TCP: Drag and drop routing now autoscrolls
TCP/Mixer: autoscroll to tracks selected via action or control surface
Track icons: optionally set all tracks to the same width when any track icons are used
Undo system: greatly reduced memory use when loading undo history from file
VST: fix for bridged/firewalled plug-ins with track controls visible
VST: added MIDI output mode to merge output with input (for groove players, arpeggiators, etc)
VST extensions: support for effString2Parameter (mostly for readable manual editing of envelope points)
VST MIDI: fixed hanging note bug from synthedit and possibly other plugins that generate MIDI
Windows: drag and drop of files out of REAPER now better supports unicode characters
Windows: try to prevent bad plugins from quitting REAPER
x64: ReWire support (master/mixer only)
OS Requirements:
Windows (32-bit): Windows 98/ME/2000/XP/Vista/7 or WINE (limited support for W98/ME).
Windows (64-bit): Windows XP/Vista/7 x64 (requires x64 compatible drivers for audio/MIDI hardware).
OS X: 10.4 or 10.5, PPC or Intel (Intel recommended).