mrv2 and vmrv2 are open source professional players and review tools for VFX, animation and computer graphics for Windows, Linux and macOS. You can build them from source or download prebuilt binaries.

Binaries are available for multiple operating systems and CPU architectures. Be sure to download the correct one for your system, and check all release assets—GitHub often hides part of the list.

If you're unsure which download you need, use:

Guided Downloads

Two versions are available:

mrv2 with OpenGL backend (free and donationware) vmrv2 with Vulkan backend (free and donationware)

It has NOT been tested on Windows aarch64 (beta testers wanted).

Unlocking Features

To unlock donationware features, open:

Help->Unlock Features.

The same license works for both mrv2 and vmrv2, so you can have both installed. An internet connection is required for license activation.

Without a donation license, the following features are unavailable:

Full Annotations and Color Area Selection (Solo+)
Python (Standard+)
Editing (Edit+)
Voice and Link Annotations (Pro)
Unlimited WebRTC Remote Reviews (Pro)

The free version still includes:

Tone-mapping (OpenGL) and HDR (Vulkan)
OpenEXR layer switching
Saving Images and Movies with Audio
Limited WebRTC Remote Reviews (2 artists for 30 minutes)

ChangeLog

• UI/Mac: Fixed dragging, file associations and open -a mrv2.app and vmrv2.app on macOS. Now you can work with both applications just like Mac Users like.

• UI/Wayland: Fixed UI transparency for DPIs > 100%.

• UI: Added menu options to switch the size of waveforms between small, medium and large individually, instead of resizing with the thumbnails' sizes.

• UI: Added dividers to several of the menus to improve readability.

• UI/Linux: File requester now allows double clicking on a file while saving instead of forcing the artist to go to click OK.

• Core: Fixed macOS duplication of libraries when compiling directory and install directory were present in the same computer.

• Core: Consolidated size of Thumbnail and Waveform Sizes in a single location (Preferences->Thumbnails).

• Core/Web: Improved floating licenses security.

• Core: Some bug fixes provided in a large but rejected PR by @CatPetrova.

• Core: Performance improvements when seeking in HW.

• Core: Performance improvements to audio reading.

Libraries

- PNG library to 1.6.59 dated 28-Sep-2026.

v1.8.3

mrv2 and vmrv2 are open source professional players and review tools for VFX, animation and computer graphics for Windows, Linux and macOS. You can build them from source or download prebuilt binaries.

Binaries are available for multiple operating systems and CPU architectures. Be sure to download the correct one for your system, and check all release assets—GitHub often hides part of the list.

If you're unsure which download you need, use:

Guided Downloads

Two versions are available:

mrv2 with OpenGL backend (free and donationware) vmrv2 with Vulkan backend (free and donationware)

It has NOT been tested on Windows aarch64 (beta testers wanted).

Unlocking Features

To unlock donationware features, open:

Help->Unlock Features.

The same license works for both mrv2 and vmrv2, so you can have both installed. An internet connection is required for license activation.

Without a donation license, the following features are unavailable:

Full Annotations and Color Area Selection (Solo+)
Python (Standard+)
Editing (Edit+)
Voice and Link Annotations (Pro)
Unlimited WebRTC Remote Reviews (Pro)

The free version still includes:

Tone-mapping (OpenGL) and HDR (Vulkan)
OpenEXR layer switching
Saving Images and Movies with Audio
Limited WebRTC Remote Reviews (2 artists for 30 minutes)

ChangeLog

• UI: Added options to Preferences->Edit to hide or show effects, waveforms and thumbnails.

• UI/Core: Fixed moving the primary display window between an HDR and SDR monitor on Windows, which could sometimes not update the HDR Display properly.

• UI/Edit: Edit->Time->Slice now supports selected items to only slice on the selection.

• UI/Edit: Edit->Associated Clips is now more reliable when moving a video and audio clip in the timeline. It will move ALL video and audio clips with similar start/end points.

• UI/Thumbnails: They now support HDR and OpenColorIO in both Panels and the Timeline Viewport, on both backends.

• Core/MacOS: More support for hardware decoding of more codecs, HDR, seeking forwards and backwards and memory I/O on MacBooks Pro Intel and M1+ with a python unit test for quality checking. PR #540. Courtesy of @CatPetrova.

• Core: Missing frames from a, usually, rendered sequence are now polled on disk and loaded on demand when they are found, taking very little resources.

Fixes

• UI: Fixed tooltips for AutoICS now showing with color space was selected and why.

• Edit/Core: Moving a clip with annotations in an .otio timeline with a global_start_time() > 0 would not offset the annotation correctly.

• UI/Thumbnails: Refreshing the thumbnails would only refresh the first thumbnail in the Panels.

• UI/Core: Fixed a potential Linux Wayland crash when saving a clip and stopping it mid-way with the Esc hotkey.

v1.8.2

mrv2 and vmrv2 are open source professional players and review tools for VFX, animation and computer graphics for Windows, Linux and macOS. You can build them from source or download prebuilt binaries.

Binaries are available for multiple operating systems and CPU architectures. Be sure to download the correct one for your system, and check all release assets—GitHub often hides part of the list.

If you're unsure which download you need, use:

Guided Downloads

Two versions are available:

mrv2 with OpenGL backend (free and donationware) vmrv2 with Vulkan backend (free and donationware)

It has NOT been tested on Windows aarch64 (beta testers wanted).

Unlocking Features

To unlock donationware features, open:

Help->Unlock Features.

The same license works for both mrv2 and vmrv2, so you can have both installed. An internet connection is required for license activation.

Without a donation license, the following features are unavailable:

Full Annotations and Color Area Selection (Solo+)
Python (Standard+)
Editing (Edit+)
Voice and Link Annotations (Pro)
Unlimited WebRTC Remote Reviews (Pro)

The free version still includes:

Tone-mapping (OpenGL) and HDR (Vulkan)
OpenEXR layer switching
Saving Images and Movies with Audio
Limited WebRTC Remote Reviews (2 artists for 30 minutes)

Change Log

• UI: URL Movies are now added to the File->Recent Files list.

• UI: Notes in the Note Panel now show the time in the selected units (Frames, Seconds or Timecode).

• UI: Notes in the Note Panel are now edited by clicking on its title or double clicking on the text box.

• UI: Text drawing annotations' font size can now be changed by using + or - in the Vulkan backend.

• UI: File requesters now show the correct filters for writing and reading.

• UI: Thumbnails, Waveforms and Effects in the Timeline Viewport can be toggled independently.

• UI: Effects are shown below the clip's name in Timeline Viewport.

• UI/Core: Saving of movies now automatically tries to detect the color space to use (ie. SDR vs HDR), without having to manually set the override.

• UI/Core: Saving of movies for most codecs defaults to "TV (Legal Range)" instead of "PC (Full Range)", unless you use Advanced Settings Override.

• Core: Added exporting of animated .webp. They can be played in Chrome.

• Core: Added exporting of animated .gif.

• Core: Improvements in playback performance.

Fixes

• UI: Fixed Save Movie's Advanced Settings, Presets' tooltip.

• UI: Fixed default values of Save Movie's Advance Settings.

• UI: Fixed Timeline Viewport (Editing) getting activated when closing the Preference Window.

• UI: Fixed Timeline Viewport's thumbnails on first starting the players.

• UI/Core: Fixed refresh_media_cb starting playback due to Preferences->Playback->Auto Playback.

• UI: Added missing tooltips in the status bar for Panels and Windows.

• UI: Added missing toggle element in Panels.

• Core: Fixed saving of audio on movie files.

• Core: Fixed audio saving only.

Libraries

- libwebp v1.5.0
- FLTK v2.4.4 with new Clipboard Selection protocol. 

v1.8.1

mrv2 and vmrv2 are open source professional players and review tools for VFX, animation and computer graphics for Windows, Linux and macOS. You can build them from source or download prebuilt binaries.

Binaries are available for multiple operating systems and CPU architectures. Be sure to download the correct one for your system, and check all release assets—GitHub often hides part of the list.

If you're unsure which download you need, use:

Guided Downloads

Two versions are available:

mrv2 with OpenGL backend (free and donationware) vmrv2 with Vulkan backend (free and donationware)

It has NOT been tested on Windows aarch64 (beta testers wanted).

Unlocking Features

To unlock donationware features, open:

Help->Unlock Features.

The same license works for both mrv2 and vmrv2, so you can have both installed. An internet connection is required for license activation.

Without a donation license, the following features are unavailable:

Full Annotations and Color Area Selection (Solo+)
Python (Standard+)
Editing (Edit+)
Voice and Link Annotations (Pro)
Unlimited WebRTC Remote Reviews (Pro)

The free version still includes:

Tone-mapping (OpenGL) and HDR (Vulkan)
OpenEXR layer switching
Saving Images and Movies with Audio
Limited WebRTC Remote Reviews (2 artists for 30 minutes)

Change Log

• Core/Vulkan: Improved performance of the Vulkan backend.

• Core/Vulkan: Improved memory footprint of the Vulkan backend.

• Core/Vulkan: Made Text Tool Annotations be created on demand for faster annotations.

• Core: Made the SVG reader be thread safe.

• Core: Made the SVG reader support tags.

• Core: Made the SVG reader support gradients.

• Core: Made the SVG reader support embedded .pngs.

Fixes

• Fixed loading files with relative paths from the command-line.

Libraries

- lunasvg v3.5.0