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[web] Remove Clipboard API fallback #157484

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#171427
Closed
[web] Remove Clipboard API fallback#157484
#171427
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P2Important issues not at the top of the work listc: tech-debtTechnical debt, code quality, testing, etc.engineflutter/engine related. See also e: labels.platform-webWeb applications specificallyteam-webOwned by Web platform teamtriaged-webTriaged by Web platform team

Description

@ditman
ditman
opened on Oct 24, 2024

The web engine has some logic to be able to copy-paste content from a Flutter app, which is using a now outdated/deprecated API (document.execCommand) as a fallback for browsers that didn't implement the standard API.

We only use the following methods from the standard Clipboard API:

  • writeText, to put content into the users' clipboard (widely available, since Safari 13.4 (~March 2020))
  • readText, to read content from the users' clipboard (widely available, since Firefox 125 (~April 2024))

It seems that soon we'll be able to remove the execCommand fallback, and all the scaffolding to make it work.

See ExecCommand* strategy classes here:

(PS: We should also remove the execCommand definition from the engine's dom.dart!)

Closes: #48581

Activity

  1. ditman
    added
    engineflutter/engine related. See also e: labels.
    c: tech-debtTechnical debt, code quality, testing, etc.
    team-webOwned by Web platform team
    on Oct 24, 2024
  2. yjbanov
    added
    platform-webWeb applications specifically
    P2Important issues not at the top of the work list
    triaged-webTriaged by Web platform team
    on Nov 7, 2024
  3. github-merge-queue
    added a commit that references this issue on Jul 11, 2025

    [web] Refactor clipboard. (#171427)

    fa4a2c1
  4. auto-submit
    closed this as completedin #171427on Jul 11, 2025
  5. justinmc
    added a commit that references this issue on Jul 11, 2025

    [web] Refactor clipboard. (flutter#171427)

    7e58a81

  6. github-actions commented on Jul 25, 2025

    @github-actions
    github-actionsbot
    on Jul 25, 2025 – with 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.

  7. github-actions
    locked as resolved and limited conversation to collaborators on Jul 25, 2025
  8. azatech
    added a commit that references this issue on Jul 28, 2025

    [web] Refactor clipboard. (flutter#171427)

    cc2e14a
  9. ksokolovskyi
    added a commit that references this issue on Aug 19, 2025

    [web] Refactor clipboard. (flutter#171427)

    434553a
  10. mboetger
    added a commit that references this issue on Sep 18, 2025

    [web] Refactor clipboard. (flutter#171427)

    05e1abd
  11. lucaantonelli
    added a commit that references this issue on Nov 21, 2025

    [web] Refactor clipboard. (flutter#171427)

    dd57b41
  12. Nakiha
    added a commit that references this issue on Sep 28, 2026

    [web] Refactor clipboard. (#171427)

    1b345cd
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    P2Important issues not at the top of the work listc: tech-debtTechnical debt, code quality, testing, etc.engineflutter/engine related. See also e: labels.platform-webWeb applications specificallyteam-webOwned by Web platform teamtriaged-webTriaged by Web platform team

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