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React 18 concurrent patterns to keep for React 19 v1.0.0

Use this resource to keep React 18 concurrent patterns and adopt React 19 APIs

New

  • 460 downloads
  • 161 likes
  • 108 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install react19-concurrent-patterns

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent checks that useTransition, useDeferredValue, Suspense and createRoot survive the migration, then proposes introducing use(), useOptimistic and React 19 Actions. You get a migration that does not break concurrent rendering.

Mostly picked by

Updated November 2, 2026

Card for the “React 18 concurrent patterns to keep for React 19” skill

Details

Works in
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Licence
MIT

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What you get

  • references/: React 19 APIs to adopt (Actions, Suspense, use)
  • SKILL.md: React 18 patterns to preserve and migration safety rules

Good fit for

  • You are migrating a React 18 application to React 19
  • You want to use useOptimistic or Actions after the migration

Not for

    Tags

    • react 19
    • concurrency
    • suspense
    • migration

    About

    You say

    “Check that the React 19 migration did not touch useTransition, then add useOptimistic to the form.”

    Card for the “React 18 concurrent patterns to keep for React 19” skill

    Skill published by github under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to keep React 18 concurrent patterns and adopt React 19 APIs
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/react19-actions.md9.4 KB
    • references/react19-suspense.md7.6 KB
    • references/react19-use.md5 KB
    • SKILL.md2.8 KB

    Origin and licence

    Listed unmodified

    Author
    github
    Source
    github.com/github/awesome-copilot/tree/0fe6545b950671641b2b14b44eb56678fea6c6b4/skills/react19-concurrent-patterns
    Licence
    MIT

    Notice

    « react19-concurrent-patterns » (github, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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