Lines drawn with LineContents do not respect thin widths #188593

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1. b-luk

   added

   c: renderingUI glitches reported at the engine/skia or impeller rendering levelUI glitches reported at the engine/skia or impeller rendering level

   on Jun 25, 2026
2. b-luk

   added a parent issue on Jun 25, 2026

   • Variety of issues with Impeller drawing thin lines/rects #188590
3. b-luk

   added

   e: impellerImpeller rendering backend issues and features requestsImpeller rendering backend issues and features requests

   team-engineOwned by Engine teamOwned by Engine team

   on Jun 25, 2026
4. gaaclarke commented on Jun 25, 2026

   

   gaaclarke

   on Jun 25, 2026

   Last edited by gaaclarke

   Member

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   I think this is by design. Since we don't do pixel snapping you need to have a minimum width > 1 to avoid jittering when scrolling. (edit: even with pixel snapping it would jitter)
5. gaaclarke

   added

   P2Important issues not at the top of the work listImportant issues not at the top of the work list

   triaged-engineTriaged by Engine teamTriaged by Engine team

   on Jun 29, 2026
6. auto-submit

   closed this as completedin #188514on Jul 15, 2026
7. pull

   added a commit that references this issue on Jul 15, 2026

   Implement UberSDF lines to replace LineContents-based AA lines (flutt…

   ...

   5ff03d5
8. auto-submit

   added 3 commits that reference this issue on Jul 15, 2026

   [CP-beta]UberSDF rect handling for thin (line-like) rectangles (#189517)

   ...

   eda1209

   [CP-beta]UberSDF thin roundrect handling (#189529)

   ...

   e216f0f

   [CP-beta]Implement UberSDF lines to replace LineContents-based AA lin…

   ...

   afb9cec
9. github-actions commented on Jul 29, 2026

   

   github-actionsbot

   on Jul 29, 2026 – with GitHub Actions

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   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.
10. github-actions

    locked as resolved and limited conversation to collaborators on Jul 29, 2026