Upgrade to React 19 (v1.0.5) - #32
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- Bump react/react-dom to 19.2, react-konva to 19.2, and matching @types. No code changes needed: the app already used createRoot, has no defaultProps / string refs / legacy context, and typed refs are React-19-clean. - Verified: typecheck (browser + node), 53 unit tests, prettier, production build, and a runtime smoke test (UI + Konva canvas render, zero console errors) all pass on React 19. - Bump version to 1.0.5. - Remove CODE_OF_CONDUCT.md, CONTRIBUTING.md, SECURITY.md (re-applying a removal that was lost when #22 merged at a stale head) and correct the CHANGELOG accordingly. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This was referenced Jul 27, 2026
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Combined React 18 → 19 upgrade, superseding the split Dependabot PRs (#27, #28, #29) that each broke the peer-dependency graph on their own.
Dependency changes
reactreact-domreact-konva@types/react@types/react-domCode compatibility
No source changes were required. The app was already React-19-clean:
ReactDOM.createRoot(not the removedrender).defaultPropson function components, no string refs, no legacy context, nofindDOMNode.useRef<T>(null)) pass cleanly against@types/react19.Verification
npm run typecheck(browser) ✓npm run typecheck:node(gateway) ✓npm test→ 53 passing ✓npm run build✓prettier --check✓npm audit→ 0 vulnerabilities ✓Also in this release (v1.0.5)
CHANGELOG.mdupdated.CODE_OF_CONDUCT.md,CONTRIBUTING.md,SECURITY.md— re-applying a removal that was lost when Polish for open source: community docs, badges, Dependabot, security fix #22 merged at a stale head.🤖 Generated with Claude Code