Compare a validated Next.js reproduction on its reported version and the latest published next@canary under equivalent conditions. Use when determining whether a confirmed vercel/next.js issue still reproduces on canary or appears fixed there.
Install
npx skills add vercel-labs/next-maintainer-skills --skill nextjs-verify-canarynpx skills add vercel-labs/next-maintainer-skills --skill nextjs-verify-canary -a claude-code -gnpx skills add vercel-labs/next-maintainer-skills --skill nextjs-verify-canary -a codex -ggemini skills install https://github.com/vercel-labs/next-maintainer-skills.git --path skills/nextjs-verify-canarygh skill install vercel-labs/next-maintainer-skills nextjs-verify-canarygit clone --depth 1 https://github.com/vercel-labs/next-maintainer-skills /tmp/vercel-labs__next-maintainer-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/vercel-labs__next-maintainer-skills/skills/nextjs-verify-canary ~/.claude/skills/nextjs-verify-canary # Claude Code
cp -R /tmp/vercel-labs__next-maintainer-skills/skills/nextjs-verify-canary ~/.agents/skills/nextjs-verify-canary # Codex, Cursor, Gemini CLI, Copilot, OpenCode