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[Proposal] Make most shapes lerp #110634

Description

@bernaferrari

Right now, half the shapes can lerp into another, but not from another. You can lerp from RoundedRectangleBorder to CircleBorder, but not from CircleBorder to RoundedRectangleBorder. Check here:

image

Something like this would solve all our issues:
image

  1. Do we want this?
  2. Is this implementation fine?

Activity

  1. added
    in triagePresently being triaged by the triage team
    c: new featureNothing broken; request for a new capability
    frameworkflutter/packages/flutter repository. See also f: labels.
    c: proposalA detailed proposal for a change to Flutter
    and removed
    in triagePresently being triaged by the triage team
    on Aug 31, 2022
  2. added
    P3Issues that are less important to the Flutter project
    on Sep 13, 2022
  3. github-actions commented on Jul 14, 2026

    @github-actions

    This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

  4. locked as resolved and limited conversation to collaborators on Jul 14, 2026
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    P3Issues that are less important to the Flutter projectc: new featureNothing broken; request for a new capabilityc: proposalA detailed proposal for a change to Flutterframeworkflutter/packages/flutter repository. See also f: labels.team-frameworkOwned by Framework teamtriaged-frameworkTriaged by Framework team

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