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Cockos updates REAPER to version 6.33


Cockos has updated their REAPER DAW software to version 6.33.

Changes include the following:


  • Add post-render action (under Stats button) to jump to position of first rendered sample over +0dB.
  • Add post-render action (under Stats button) to display render statistics in web browser.
  • Add separate actions to calculate mono loudness of selected tracks via dry run render.
  • Display lufs-m max, lufs-s max, lufs-i in web browser render statistics or API request.
  • Display file format, file length, and channel count (if mixed) in web browser render statistics.
  • Display overall render progress indicator.
  • Display sample rate and channel count during dry run render.
  • Don't display file extension during dry-run render.
  • Fix dither/noise shaping when rendering stems.
  • Fix normalizing stems to common gain based on master normalization when rendering multiple regions.
  • Fix secondary render sample rate and improve normalization when project sample rate is different from rendered sample rate.
  • If true peak is calculated, don't display regular peak in render statistics (everything is still displayed in web browser render statistics).
  • Improve peaks display when rendering very short files.
  • Inform user when normalizing may cause relative levels of rendered files to change.
  • Make it clearer when normalization is enabled.
  • Support normalizing stems to common gain based on normalizing master mix, even if not rendering master mix.
  • When rendering multiple files, display as much path as needed to disambiguate files.


  • Add option to use modal window default positioning for newly created FX chain/floating FX windows.
  • Allow pin mapper dialog to be very large when first opened if the track has many channels.
  • Improve UI-destruction order when closing floating windows (for buggy plug-ins).
  • Remove global option for plugin bridging, bridging options should be controlled per-plugin via FX browser.


  • Add IDE color preset configuration to ReaScript tab.
  • Add IDE option to have doubleclick function name jump to function.
  • Fix incorrect IDE interpretation of certain alt-gr keys.
  • IDE supports shift+tab without selection.
  • Fix return value of InsertAutomationItem function when option enabled to trim automation items behind edits.


  • Fix FX chain docker restoration when loading projects (requires re-save of existing projects).
  • Improve default ordering of new tabs.
  • JSFX.
  • Ensure IDE is not completely offscreen when opening.
  • Prevent reentrancy of @gfx code when TCP embedded and adding media on Windows.

Media explorer:

  • Fix inserting section of file when project setting enabled to copy media to project directory.
  • Show folders with system file attribute on Windows.
  • Media item properties.
  • Avoid small changes to take volume/pan when clicking but not dragging fader.
  • Improve sizing behavior when scrollbar is visible.

Routing windows:

  • Avoid small changes to track and send volume/pan when clicking but not dragging fader.
  • Improve mousewheel behavior on volume/pan faders.
  • Improve display when shift+dragging I/O buttons in track panels to create multiple sends.


  • Allow configurable maximum jog rate of 1x/2x/4x/8x (default 2x).
  • Prevent audio dropouts when adding undo point that does not affect items.


  • Bridged plug-in improvements (fixed reference count leaks, improved bridge exiting on macOS).
  • Bridged plug-ins support IMidiLearn, IMidiMapping interfaces.


  • Fix $namenumber wildcard.
  • Support marker/region names consisting of separated name=value pairs using $marker(name) [separator] and $region(name) [separator] (see wildcard help).

FX pin connector dialog:

  • Show tooltips when there are more than 4 track channels or 4 FX ins/outs.


  • Fix potential memory access errors when loading media.

Loudness metering:

  • Update loudness calculation more frequently in master VU and render statistics.

Master VU:

  • Improve preferences for loudness metering and readout value.

Project files:

  • Allow filenames to contain quotes (on platforms other than Windows).


  • Update display consistently after editing custom speaker name.
  • Tempo map.
  • Action to create measure from time selection will not create a tempo envelope if the user cancels the operation.


  • Fix customizing master track VU readout text color in TCP.
  • Tracks.
  • Avoid small changes to track pan/width when clicking but not dragging faders.
  • Windows.
  • Installer can optionally configure Windows to save REAPER crash dumps.


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