Cockos has updated REAPER to v3.1.

Changes:

• Actions: toggle show master tempo envelope.
• Actions: faster actions to explode audio by channel, much faster actions to explode MIDI by channel or pitch.
• Actions: separate actions to jump to previous/next beat/measure vs moving edit cursor only.
• Actions: fixed occasional disappearing key shortcut.
• Automation: fixed possible crash when deleting FX envelope.
• Automation: shift+ctrl+drag locks envelope point move to either horizontal or vertical (like in MIDI editor).
• Bounce: display in transport displays bounced length.
• Editing: fixed bug when moving items across hidden tracks.
• GUI: significant CPU optimizations when drawing time selection, anti-aliased peaks, fades, envelopes, filled envelopes.
• GUI: dim track I/O button when master/parent send disabled (themeable using track_io_dis and mcp_io_dis).
• GUI: fixed bug in HSV blend mode.
• GUI: fixed edge line drawing for time/loop selections when decoupled.
• GUI: fixed filled envelope clipping bug.
• GUI: separate theme elements for fade quiet zone and fade area color fill.
• JS: updated Liteon FX.
• Media explorer: checkbox for starting media preview on the bar while project is playing back.
• Media explorer: fixed context menu on Vista/Win7.
• Media explorer: show preview graphics for MIDI items.
• Metronome: fixed output selection menu.
• MIDI editor: event filter stays on top, can be toggled on/off.
• MIDI editor: CC lane dropdowns show which message types are currently in use.
• MIDI editor: inserting notes in drum modes uses smaller of grid size or 32nd notes.
• MIDI editor: view preference to always display note velocity.
• MIDI editor: action to move edit cursor to play cursor.
• MIDI editor: action to set selected note lengths to grid size.
• MIDI editor: better paste-extends-source behavior when using unlooped items.
• MIDI editor: no loop end marker for unlooped MIDI items.
• MIDI editor: fixed clipboard leak in certain paste actions.
• MIDI editor: fixed screen redraws/flashes when selecting notes in list view.
• MIDI editor: action to import lyric events from text file.
• MIDI editor: better display of text/sysex event editing vs adding, better copy-drag behavior.
• MIDI editor: clicking empty space in the lane deselects text/sysex events.
• MIDI editor: fixed copy/paste of text/sysex events in list editor.
• MIDI editor: fixed file-based MIDI item text/sysex event undo/redo.
• MIDI editor: fixed memory leak when deleting text/sysex events in list editor.
• MIDI editor: fixed step sequencer note entry when inline editor is open.
• MIDI editor: fixed text event editing on OS X.
• MIDI editor: fixed text event hit testing in certain instances.
• MIDI inline editor: actions dialog can now run actions.
• MIDI: don't create a new MIDI item when punch recording if there is already a suitable item to record into.
• MIDI: fixed overdub recording when extending source and record PDC disabled.
• MIDI: record overdub/replace modes with record PDC disabled now compensated for track PDC.
• OSX: default to Cocoa UI for AU plug-ins that support it.
• OSX: fixed manually editing JS parameter values.
• Peaks/waveforms: recording items are drawn more smoothly and consistently, update faster by default (configurable).
• Playback: preserve PDC delayed monitoring now compensates for both track and master/parent PDC.
• Project: fixed project template being inserted when opening existing project in new tab.
• Project: setting maximum project length prevents zooming out much past that length.
• ReaEQ: more regular grid lines.
• ReaFIR: more regular grid lines.
• ReaVerb, ReaSamplomatic: now multi-project aware (for save-as with media).
• ReaSamplomatic: fixed noise bug with zero release time.
• Recording: fixed recording pre-roll sample rounding problem.
• Render: fixed render dialog peaks display when certain stem options set.
• Render: more helpful error message if target directory does not exist.
• Render: saving project to RPP via render dialog now adds project to recent list.
• Render: Shup button sends to user default upload target.
• Screensets: better multiproject track view support.
• Screensets: screenset window now updates on save-project action.
• Shutdown: canceling save while Windows is shutting down cancels system shutdown.
• Shutdown: more stable sequence with undo history open.
• Solo: fixed glitches when unsoloing with routing and PDC.
• Spaghetti cormorant.
• TCP/Mixer: create sends by dragging IO button to another track.
• TCP/Mixer: alt+click on IO button toggles master/parent send.
• TCP: bulk mute/solo by dragging mute/solo button to another track.
• Tempo envelope: snap points to grid when adding and snapping enabled.
• VST: faster startup scan of plug-ins that have not changed.
• VST: more efficient automation for new envelopes or envelopes with square point shape.
• VST: correct return value for audioMasterAutomate.