Cockos has updated REAPER to v3.451.

Changes in v3.451:

• Resampling: fixed a bug added in 3.45.
• Fixed a bug in peak-cache reference counting in certain instances when recording.

Changes in v3.45:

• Trim behind items:
  • Option to always trim behind active items when editing (prevent overlaps).
  • Option to always trim behind new items when recording (prevent splitting/takes).
  • Options can be changed via Options menu or actions (can be placed on toolbar).
  • Editing option applies when pasting, importing, drag/dropping media.
• OSX:
  • Support for passing all keyboard input to plug-in, for Carbon-based plug-ins.
  • Removed excess processing on startup when switching between architectures (Intel/PPC/64).
  • Fixed themed play cursor drawing bugs.
  • Themed cursor support, cleanups to cursors to match Windows.
  • Changing modifier keys without moving the mouse updates cursor immediately.
  • 64-bit VST UI support.
  • Safer closing of VST configurations when unloading (force autorelease).
  • Fixed AU cocoa views for some plug-ins.
  • Avoid trying to use PPC bridging if rosetta is not installed.
  • Fixed underscore entry in JS editor.
  • Fixed ReaMote bridge support.
  • Screensets save/restore the docker height.
• Added actions:
  • Added show REAPER resource path in explorer/finder (in options menu).
  • Reset all MIDI devices (brings OSX missing MIDI devices back to life).
  • Remove fadein/fadeout for selected items.
  • Enable/disable default media item fadein/fadeout.
  • Snap selected media items to nearest snap point left/right/either.
  • Move selected envelope points left/right a little bit or by grid, up/down a little bit.
• Envelopes:
  • Do not change envelope point selection when opening context menu.
  • Do not focus envelopes on many operations (such as moving env pts from track to track).
  • Fixed envelope state changing on y-move of media items.
  • Fix for hard-to-edit envelope point when snapping to many small media items on the track.
  • User option to double-click to add points to take envelopes.
  • Avoid creating duplicate envelope points when moving items.
• MIDI editor:
  • Reduce flicker when marquee selecting in piano roll.
  • Reduce flicker when changing selection in event list.
  • Fixed CPU hang on some builds when scrolling to C-1.
  • Mousewheel/relative controller actions to adjust selected event times or values.
  • Shift+mousewheel (re-assignable) adjusts selected event values (piano roll or event list).
  • Shift+horizontal mousewheel (magic mouse) (re-assignable) adjusts selected event times.
  • Update CC lane usage indicator immediately when adding or deleting in CC lane.
• Windows:
  • Better Windows 7/Vista UAC support for user customizable content (JS, ColorThemes, etc).
  • Faster display updating on some actions.
  • Installer installs start menu/desktop icons to all users rather than current user.
  • Installer file type registrations separate for x64 and x86.
  • User-editable content (themes, JS, etc) are now installed to user profile directory automatically.
  • File reading: if a file cannot be read because it is being written, try to open anyway.
• Actions:
  • Support for (Windows) logo key / (OSX) control key for shortcuts.
  • Creating chromatic MIDI from selected items now respects tempo changes.
  • Item nudging (up/down/left/right) actions now affect envelope points if an envelope is focused.
  • Update main window immediately following actions when non-lazy updates enabled.
• Free item positioning mode:
  • Preserve auto-crossfades when automatically repositioning items.
  • Preserve existing item arrangement when recording new items.
• JS:
  • Fixed time_adjustment flipping stereo channels.
  • Removed configuration for JS path -- always uses common (installed) resource path.
• Media explorer:
  • Fixed end of loop glitch on preview of certain items.
  • Smoother preview looping when starting preview on the bar.
• Media item fades:
  • Alt+click deletes fadein/fadeout.
  • Shift+drag moves entire crossfade region regardless of auto-crossfade setting.
  • Shift+right click a crossfade to change the fade shape of both sides at once.
• Peaks:
  • Show preview peaks on items currently being recorded and inserted in project/other projects.
  • Better logic for building when using multiple projects and recording.
• REX:
  • Faster peaks display.
  • Can now change tempo in all-slices mode via source properties.
• Splash:
  • Better behavior when relaunching while splash is still open.
  • Show splash screen in taskbar when launching.
• Themes:
  • Zipped theme image support, ReaperThemeZip support (for combination of theme + images).
  • Default themes are now included in the new format for faster installs/USB copies/first runs.
• Video:
  • Improved stopped behavior, scrub behavior.
  • Native FFmpeg support if installed.
• VST:
  • Do not unload plug-in code from RAM, unless new option for old behavior is set.
  • Fix for broken plug-ins that send NULL VstEvents.
• API: Added track FX window showing/hiding APIs.
• Cursors: item fadein/fadeout cursor is easier to see, new xfade_move cursor for crossfade shift+drag.
• Dual trim: editing a shared edge between selected items also edits other selected item pairs.
• FX: last touched parameter is updated only on mouse move, not controller move.
• Help menu: PDF/CHM files can now be read from REAPER appdata Docs/ folder (or exe path on Windows).
• Item and waveform drawing: draw items more consistently opaque when their audio masks other items.
• OGG/Vorbis: updated to libogg-1.2.0, libvorbis-1.3.1.
• Presets: now stored in appdata/presets by default (old preset- filenames still work in their existing paths).
• ReaControlMIDI: added UTF8 support for UI.
• ReaScript: fixed Python support on OSX (broken in 3.4).
• Recording: project secondary path, can set per track option to use secondary path.
• Resampling: internal cleanups, freeing of unused memory when changing modes.
• SoundTouch: fixed processing of single sample blocks (fixes media explorer loop glitch when tempo matching).