v1.9.0

What's changed in v1.9.0

Features

• /specflow audit accessibility + NEW a11y-auditor agent + FE-gate (#305) (#318)
• /specflow audit performance + NEW performance-auditor agent (#304) (#317)
• /specflow audit security — read-only security sweep (#303) (#316)
• Copilot CLI / shared marketplace catalog sync (#281) (#308)
• OpenCode plugin adapter (#280) (#307)
• Gemini CLI extension (#279) (#306)
• Cursor plugin adapter (#278) (#301)
• Codex CLI plugin adapter (#277) — wired-but-inert (#297)
• Bundled brainstorming skill (#276) — closes Phase 2 (#296)
• Bundled verification-before-completion skill (#275) (#295)
• Bundled executing-plans skill (#274) (#294)
• Bundled subagent-driven-development skill (#272) (#293)
• SessionStart hook + using-specflow bootstrap skill (#282) (#292)
• Bundled requesting-code-review skill (#273) (#291)
• Bundled writing-plans skill (#271) (#290)
• Tool-mapping reference docs per harness (#283) (#289)

Internal / chores

5 internal changes

• Migration guide from obra/superpowers to Specflow (#288) — closes Epic #270 (#315)
• Install matrix for all six harnesses (#287) (#314)
• Install matrix for all six harnesses (#286) (#313)
• Extract sync-script shared helpers (#285) — closes Phase 3 (#312)
• Harness adapter consistency gates (#284) (#311)

Full changelog: v1.8.0...v1.9.0