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[Bug]: MP4 export cannot be cancelled — Cancel is disabled while rendering #1014

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#1044
Closed
[Bug]: MP4 export cannot be cancelled — Cancel is disabled while rendering#1014
#1044
Labels
bugSomething isn't workingstatus: fixed in mainWork is merged into main but may not be in a downloadable release yet.status: pending releaseMerged change is waiting for a packaged desktop release.
Milestone
v2.1.0

Description

@EtienneLescot
EtienneLescot
opened on Oct 4, 2026

What happens

During an MP4 export the dialog's Cancel button is greyed out and does nothing; three real clicks between 13 % and 62 % progress were ignored and the export ran to completion. GIF export's Cancel works (returns to the options, leaves no partial file).

Expected

MP4 export can be cancelled mid-render like GIF export (checklist "Export progress and speed-region audio", line 578; "Export", line 559).

Steps

  1. Open a project, Export → MP4 (720p/24 here).
  2. Save, then click Cancel while "Exporting your video" advances.

Environment

v2.0.0 (DMG), macOS 27.0, Mac mini M1 (native compositor export). Main-process thread count returned to baseline after the export finished.

Activity

  1. EtienneLescot
    added
    bugSomething isn't working
    on Oct 4, 2026
  2. EtienneLescot
    added a commit that references this issue on Oct 6, 2026

    fix(export): enable Cancel during an MP4 export (#1014)

    f2012f9
  3. EtienneLescot
    closed this as completedin #1044on Oct 6, 2026
  4. github-actions
    added
    status: fixed in mainWork is merged into main but may not be in a downloadable release yet.
    status: pending releaseMerged change is waiting for a packaged desktop release.
    on Oct 6, 2026
  5. github-actions
    added this to the Next Release milestone on Oct 6, 2026

  6. github-actions commented on Oct 6, 2026

    @github-actions
    github-actionsbot
    on Oct 6, 2026 – with GitHub Actions
    Contributor

    Fixed by #1044 and merged into main.

    This change is assigned to the Next Release release milestone and is not necessarily available in the latest downloadable desktop release yet. It is currently marked as status: pending release until a packaged release containing it is published.

  7. EtienneLescot
    modified the milestones: Next Release, v2.1.0 on Oct 15, 2026

  8. EtienneLescot commented on Oct 15, 2026

    @EtienneLescot
    EtienneLescot
    on Oct 15, 2026
    MemberAuthor

    Moved into v2.1.0 as part of the pre-release cut.

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