Here is a preview/test-version of one of the things planned for version 21.04 (April). There will be at least one release candidate after this before the final release.

Update on 21.04.04 - Apple Silicon (M1)

We have a first native (not using Rosetta 2) build working on Apple M1 devices! This is not yet a universal app, maybe later in the year for that. Get shotcut-macos-ARM64-UNSTABLE-210404.dmg below.

Time Remapping!

To use it you must choose a clip with NO B-frames (that is a video encoding terminology). If you try to use it on a such clip you will be blocked by a dialog asking you to Convert to Edit-friendly....

After that, it is basically Filters > Time > Time Remap > Keyframes. Go to this forum post for more usage information.

Changes For Time Remap

Changed the dialog when attempting to use Time Remap on a clip with B-frames to the Convert to Edit-friendly dialog.
Added buttons to set desired speeds to Time Remap.
Disabled Smooth keyframes for Time Remap to prevent unexpected direction changes.
Fixed being able to add Time Remap after Convert replaces clips.
Fixed opening a clip-only project.
Fixed updating Time Remap filter UI when changing only a keyframe time position.
Fixed setting correct time on the last keyframe for Time Remap.
Fixed a crash when trimming a clip with Time Remap on it.
Fixed the initial speed for Time Remap to be exactly 1.0.
Fixed video does not show if audio comes before video in a multiplexed file after adding it to Playlist or Timeline.
Fixed video does not reflect changes to Properties > Track, Aspect ratio, Scan mode, or Color Range after adding it to Playlist or Timeline.
Fixed audio does not reflect changes to Properties > Track or Sync after adding it to Playlist or Timeline.
Various changes under the hood of the MLT engine to prepare it for a major new release with API-breaking changes to accommodate Time Remap.

Other Fixes

Everything from latest stable release 21.02.27 plus:

Added an option to Ignore missing files in Export > Export File (blocking dialog added in v21.01).
Fixed black frames in slideshow (broken in v21.02).
Fixed Export Frame dialog reappears (broken in v21.02).
Fixed Opacity filter may misbehave when using all smooth keyframes.
Fixed Export > Format = flac does not write a file with a duration.
Fixed using the mouse wheel over zoom sliders in Timeline and Keyframes.
Fixed an incorrect path to a file in proxy mode when the path starts with the name of a sibling folder.
Fixed converting non-animated Text: HTML to Text: Rich.
Fixed filter values do not update when moving keyframes.
Fixed waveform after adding a transition by drag a clip to the left.
Fixed showing <tractor> or blank as a missing file.
Fixed a possible crash on setting Properties > Speed higher than 23x.
Fixed a possible infinite loop in Pitch audio filter or Properties > Pitch Compensation.
Improved the sound quality for Properties > Pitch Compensation when Speed is between 0.5 and 2.0.
Disable Keyframes toolbar buttons for trim and simple keyframes if they are not supported.
Changed Keyframes when trimming a clip or filter to move, delete, or disable full keyframes.