Timestretch
add new Rrreeaaa (polyphase synthesis) stretching mode, useful for artistic stretches
Video
support native decoding and rendering of .wma, .wmv, and mpeg-4 audio/video via Windows Media Foundation
support embedding FLAC audio in WMF-encoded MP4/M4V (Windows 10 and later)
improve performance when using video-only or audio-only media
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Media items
actions to activate previous/next/etc take do not affect locked media items
allow opening and editing per-take FX on locked media items, but not alt/opt+click to delete all FX
allow vertical autoscroll when moving/copying items using certain customized mouse modifiers
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Razor edits
fix editing bug when razor edit contains MIDI items in project with timebase time and partial measures
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simplify display of pre-edited razor edit areas
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add mouse modifiers to move areas disabling or temporarily enabling ripple edit
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FX Plug-in Embedding:Embed small versions of some plug-ins into your tracks control and mixer panels, including ReaEQ, ReaFIR, ReaXcomp, graphical JSFX plug-ins, and more
MIDI CC Envelopes:Handle MIDI CC data as continuous data envelopes, rather than discrete events; create smooth, musical articulations and effects
Auto-stretch Timebase:Automatically stretch and reconform audio around complex tempo changes; easily work with tempo-mapped and live-played recordings together
Routing Diagram:View and edit project routing using a high-level graphical patchbay emulation
Retina/HiDPI:Automatic rendering to HiDPI and Retina displays; new Default 6 theme supports 100%, 150% and 200% natively
Big Project Improvements:Vastly optimized behavior for projects with high (200+) track counts; Metal display support for massively faster screen drawing on newer macOS displays
..and More:New theme with extensive customizability via Tweaker script; Dynamic Split improvements; import and render media with embedded transient information; per-track positive or negative playback offset; faster and higher quality samplerate conversion; and many other fixes and improvements