+ Actions: add action to bring all project FX online one at a time
+ Actions: fix extra MIDI events possibly being added at end of item when applying track FX as new take with MIDI output
+ Actions: add action to open 'choose project' prompt (allows opening multiple projects at once)
+ Actions: add actions to set all project take fx online or offline based on whether the take is active or not
+ Actions: show splash screen when closing projects via action
+ API: add StartPreviewFade(), to immediately fade preview audio in or out
+ Auto-crossfades: fix manually edited crossfades being reset when deleting unrelated media items [t=304510]
+ Automation items: add project setting to choose whether 'Beats (position only)' timebase changes length of automation items (on by default, matching behavior of 7.49 and earlier)
+ Automation items: fix start offset when changing effective timebase
+ Color theme: add theme elements for LPF fade color and blend mode
+ Control surfaces: add Console1 support
+ Debug: add project load time report, accessible via 'projload_report' in debug console
+ Default theme: update send level meter images slightly
+ Fades: clear LPF fade, reset fade curvature when performing various editing actions [t=304275]
+ Fades: improve behavior of 'move crossfade' mouse modifier when editing non-crossfade [t=304426]
+ FX: add preference to control whether pin mappings are loaded when loading FX presets [t=287808]
+ Import: add action to insert all media items in directory
+ Import: add setting and preference to create folder tracks for imported directories
+ Import: recursively import files from subdirectories when dragging a directory into REAPER
+ Import: warn/verify when importing more than 1000 files at once
+ Import: ignore .txt files when drag/dropped into arrange view with other media
+ JSFX: fix showing JSFX pathname when inserting via action/script on Windows [t=304344]
+ Media explorer: set default fade-in/fade-out to 20ms
+ Media explorer: support either fade-in or fade-out (or both/neither) for preview audio (replaces option to crossfade)
+ Media import: don't prompt to match empty project tempo to media if the project tempo is already set to the media tempo
+ Media import: simplify tempo-match preferences
+ MIDI editor: add option to draw CCs as gray
+ MIDI editor: add option to hide CCs in secondary contexts
+ MIDI editor: add preference for opacity of secondary editable contexts, extend opacity configuration range for inactive items
+ MIDI editor: show note names from tracks that MIDI is routed to, if any
+ Mouse modifiers: add ripple options for edge edits (only affects editing right edges)
+ Mouse modifiers: modifier to adjust item edge without changing fade only applies to pre-existing fades [t=304351]
+ Paths: increase maximum length of VST/LV2/CLAP plug-in path lists to 64k
+ Peaks: draw first sample of peaks over left border of containing media item
+ Peaks: fix errors where the first sample of media file may get skipped (7.39 regression) [t=304010]
+ Portable installs: fix issue in new 7.50 feature where VSTs would be rescanned even if skip requested by user
+ Project backups: add option to auto-save unsaved projects, will also save at exit and be available (if configured) when re-launching REAPER
+ Project bay: properly handle dragging items into 'add new track' area of project
+ Project bay: support creating folder tracks from project bay folders
+ Project load: add checkbox to load project with FX online, then bring FX online one at a time
+ Project load: add FX offline/online options to import RPP dialog
+ Project load: display loading progress in splash screen
+ Project load: improve loading speed of projects that have many per-take FX
+ Project settings: add project setting (advanced tab) to always load project with FX offline, or bring FX online one at a time
+ Render: fix brickwall limiting to master mix when also rendering master mix and normalizing to master mix [t=304595]
+ REX: fix potential error when importing as beat slices and source tempo is lower than project tempo [t=304388]
+ REX: when importing as beat slices from media explorer with time selection set, import slices if they start within the time selection, and do not truncate the end of the slices
+ Searching/filtering: better handle case folding of UTF-8 codepoints up to U+800 [t=302713]
+ Searching/filtering: improve synonym case folding support for localized synonyms
+ Shutdown: improve shutdown process (display splash screen while unloading project), better compatibility with some plug-ins/control surfaces
+ Spectral edits: add actions to bypass/solo/delete selected spectral edits, reset/adjust gain of edit
+ Spectral edits: add new preferences page to configure defaults for new spectral edits
+ Spectral edits: control+clicking an edit allows multi-selection of edits
+ Spectral edits: faster drawing updates when modifying edits
+ Spectral edits: improve selection behavior, deselect spectral edits in other items when selecting, etc
+ Spectrogram: add high resolution spectrogram view (when sufficiently zoomed-in, zoom threshold is configurable in preferences)
+ Spectrogram: add mousewheel/MIDI CC/OSC assignable actions to adjust brightness/contrast/curve/frequency curve
+ Spectrogram: fix slightly-incorrect display (skipping one very high frequency bin)
+ Toolbars: prevent overly-large images from resizing toolbar editor too large
+ Toolbars: allow larger toolbar images (7.50 change partially reverted) [t=304328]
+ Undo: allow longer undo messages [t=303957]
+ Undo: support longer track names/etc for FX, envelope context messages