## Summary
Adds the user-facing stable release changelog for **v2026.609.0**
(released 2026-06-09), generated per
`.agents/skills/release-changelog/SKILL.md` from the diff between
`v2026.529.0` (last stable) and `origin/master` — 119 non-merge commits.
## Highlights covered
- Company Artifacts (page, task-stack grouping, playback, video
thumbnails)
- Collapsible sidebar rail and takeover panes
- Rich issue attachments with video
- Checkbox confirmation interactions
- Information Architecture refresh (experimental) + instance settings
under company settings
- Automated PR quality/security gates + low-trust review containment
## Notes
- No breaking changes — all 5 new migrations (0094–0098) are additive
(backfills, tombstones, annotation links, source-trust tagging, project
icon).
- Contributor list excludes founders and bots per skill rules.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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