REAPER 7.16 (64-bit)

What's new in this version:

Media explorer:
- add list header context menu to move column to far left, support shift+click on column header to move to far left
- improve resizing behavior on linux
- label channel mapping button 'MIDI' for MIDI source media
- support adding image metadata or deleting existing image metadata for .mp3 files
- support retaining separate channel mapping for each file, for each channel count, for all files, or not at all (options in channel mapping window)
- when previewing stereo file with both source channels mapped to both output channels, import media with mono channel mode and +6dB take volume

ReaScript:
- add preference to copy error message to console when IDE is open
- GetUserFileNameForRead supports trailing slash in filename in order to set initial path only
- optimize MIDI API when modifying items with open MIDI editors
- setting I_PERFFLAGS takes immediate effect for routing hierarchy
- skip items on hidden lanes in GetItemFromPoint()
- update FX_GetNamedConfigParm() to support querying chain_pdc_actual/chain_pdc_reporting

Localization:
- localize default menu names when displaying customized menus
- support Frame/Measure in grid/snap window
- support localization of various key names
- use synonyms when searching toolbar icon names

Render:
- add option to preserve source start offset when rendering with media items as source
- apply render fade-in/fade-out properly when using 2nd pass render
- if option enabled to preserve metadata, preserve existing BWF metadata and ignore BWF-related .wav configuration settings
- support $marker[001], $region[001], etc to apply offset or number of digits to marker or region number
- when preserving metadata start offset, adjust for any take start offset

Track panels:
- add action to show/hide entire track control panel area
- add separate actions to toggle between primary and alternate TCP widths (alternate is zero by default), or show/hide TCP area
- improve behavior of ctrl+alt record-arm button click (exclusive-sets track and any grouped tracks)
- do not send mouse clicks to window when clicking causes control under mouse cursor to change

Windows:
- add preference to disable FX windows during render
- fix various issues when user temporary path includes non-ASCII characters
- improve behavior of hidden mouse cursor when tweaking TCP/MCP send/fx knobs
- improve scheduling of display updates in response to input events

Automation:
- add preference for automation rate and parameter modulation when interpolating between points for FX that support sample-accurate automation
- preserve armed state when hiding/showing envelopes
- when hiding single-point default-setting pre-FX/mute/etc track envelopes, optionally deactivate the envelope as well

Color theme:
- add theme elements for region/marker edge (selected, unselected)
- ensure that theme colors for selected listview rows are different from unselected rows

Control surfaces:
- add option to close devices while rendering
- do not send feedback to open devices while rendering

Envelope manager:
- when ctrl+alt+clicking visible/arm/UI columns, treat as set-exclusive
- when setting envelope visible, auto-scroll arrange view to make it visible

Import:
- when importing media with embedded tempo information into an empty project, optionally prompt to adjust project tempo to media tempo
- when importing media with unknown tempo, if user preference is to prompt for behavior (adjust media to project tempo or adjust project to media tempo), prompt using a best-guess tempo estimate

MIDI editor:
- add action to insert CC at edit cursor in current lane
- fix quantize with manual swing settings (7.15 regression)
- improve corner case behavior relating to right-drag marquee and context menus

Preferences:
- add maximum stretch marker handle size configuration
- allow resizing window, some tabs support this usefully

Project:
- reset master track pan width when creating new project
- show indicator on ruler if project maximum length has been enabled

ReaXcomp:
- improve threshold automation behavior
- remove denormal noise from filters

Recording:
- fix $recpass wildcard being off by one
- improve monitoring behavior with auto-input monitoring and loop selection auto-punch when there is no selection

Region manager:
- fix deleting multiple markers/regions at once
- improve behavior when changing listview selection multiple times in a row
- when changing selection while filter is applied, clear selection of non-visible regions unless shift or ctrl key is down

Tempo map:
- improve behavior when editing time signature markers (do not move items, preserve later tempo/time sig marker times)
- support a mixed timebase which uses beats for time signature markers and time for tempo markers

Theme:
- fix mixer strip floating arm button
- properly hide mixer volume knob if clipped away

Virtual MIDI keyboard:
- add checkbox to send all keyboard input to VKB
- improve evenness of key spacing

VST:
- fix for possibly incorrect VST3 .vstpreset export
- fully fix support for mapping high MIDI buses to VST3 MIDI buses

Actions:
- improve description of unknown or deprecated actions that are components of other custom actions

Audio Units:
- fix display of stepped parameter when minimum value is not zero

Batch converter:
- support writing project markers/regions to rendered file when converting from media item

FX browser:
- fix undocked filter combo box persistence quirk

Lanes:
- when comping, copy source media take name to the comping lane copy of that media item

LV2:
- tweak worker scheduling in order to match other hosts

Media item properties:
- support displaying/entering item position and length in samples

Meters:
- fix 'LUFS-S (readout=current)' metering mode

Mixer:
- reduce CPU overhead with master track panel docked and hidden

MP3:
- fix importing files with long APE metadata tags

Razor edit:
- improve display responsiveness when zoomed in to a tiny part of a razor edit

ReaComp:
- improve threshold automation behavior

ReaControlMIDI:
- fix ReaScript and automation issues with Bank LSB parameter

Regions:
- support selecting regions (mirrored in region manager, affects rendering selected regions) by clicking on them in the ruler

Save as:
- when using trim media, fix incorrect handling of some reversed items

Searching:
- treat UTF-8 punctuation and certain symbols as non-word characters

Split:
- fix grouping after action to split item under mouse

Tempo envelope:
- fix positions of inserted points when pencil-drawing tempo envelope points and the envelope contains partial measures

Undo:
- fix automatic record-arm inconsistency after undo