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react-19-plugin-migration

Migrate a Grafana plugin to React 19 compatibility. Use when the user asks to update a plugin for React 19, prepare for React 19, fix React 19 compatibility, upgrade to React 19, migrate to React 19, bump grafanaDependency to 12.3.0, externalize jsx-runtime, or run react-detect. Triggers on phrases like "update plugin for React 19", "React 19 migration", "prepare for React 19", "plugin React 19 compat", "grafanaDependency 12.3.0", "JSX runtime externals", "react-detect", "SECRET_INTERNALS", "ReactCurrentOwner", or "ReactCurrentDispatcher".

skills/grafana-plugins/react-19-plugin-migration/SKILL.md

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Nov 8, 2026
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Apache-2.0

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# Migrate Grafana Plugin to React 19

Grafana 13 (April 2026) moves from React 18 to React 19. Incompatible plugins will break.
**Do not upgrade React to 19** — only make forward-compatible changes.

All changes go in **one PR**. Execute steps in order. Never manually edit `yarn.lock`.

---

## Step 1: Detect plugin context

```bash
PLUGIN_JSON=$([ -f src/plugin.json ] && echo "src/plugin.json" \
  || ([ -f plugin/src/plugin.json ] && echo "plugin/src/plugin.json" || echo ""))