PR by joeyorlando, ci: remove local zizmor workflow https://github.com/archestra-ai/archestra/pull/3547

PR by joeyorlando, test: validate org zizmor enforcement https://github.com/archestra-ai/archestra/pull/3548

PR by joeyorlando, Fix Sentry MCP inspect failures and gateway permission noise https://github.com/archestra-ai/archestra/pull/3550

PR by 1164148-7-eng, fix: Clean up leaked mermaid DOM elements on error https://github.com/archestra-ai/archestra/pull/3551

PR by 1164148-7-eng, fix: Remove New Chat Session fallback from sidebar title https://github.com/archestra-ai/archestra/pull/3552

PR by Nithinfgs, feat: MCP Apps (SEP-1865) — sandboxed iframe renderer, RBAC proxy, MCP/LLM Gateway passthrough, catalog entries /claim #1301 https://github.com/archestra-ai/archestra/pull/3553

PR by iskhakov, fix: add sandbox proxying on nextjs https://github.com/archestra-ai/archestra/pull/3554

PR by ayushgoyal-lsn, feat: add Notion knowledge connector https://github.com/archestra-ai/archestra/pull/3555

Issue by ayushgoyal-lsn, feat: add Notion knowledge connector https://github.com/archestra-ai/archestra/issues/3556

PR by joeyorlando, perf: reduce MCP gateway auth query churn https://github.com/archestra-ai/archestra/pull/3557

PR by zamadye, fix: feat: add notion knowledge connector https://github.com/archestra-ai/archestra/pull/3558

PR by iskhakov, fix: improve Dockerfile https://github.com/archestra-ai/archestra/pull/3560

PR by iskhakov, chore: load docker/tilt on runtime https://github.com/archestra-ai/archestra/pull/3561

Issue by daedalus-mb, Your project is listed on Spark — claim your listing https://github.com/archestra-ai/archestra/issues/3562

PR by kalilynux655, feat: implement #3556 https://github.com/archestra-ai/archestra/pull/3563

Issue by manja316, Security audit findings — tool description injection + missing output sanitization https://github.com/archestra-ai/archestra/issues/3564

PR by iskhakov, fix: improve Slack thread context for chatops bot https://github.com/archestra-ai/archestra/pull/3565

PR by iskhakov, fix: mcp-apps localhost mode firing in prod https://github.com/archestra-ai/archestra/pull/3566

Issue by iskhakov, Suggested prompt is not saved if you enter only Button Label without prompt https://github.com/archestra-ai/archestra/issues/3568

PR by kamaldhitalofficial, feat: implement Notion knowledge connector (#3556) https://github.com/archestra-ai/archestra/pull/3569

PR by joeyorlando, fix: refine agent UI controls https://github.com/archestra-ai/archestra/pull/3570

PR by junaiddshaukat, fix: save suggested prompt with button label as fallback when prompt is empty https://github.com/archestra-ai/archestra/pull/3571

PR by iskhakov, fix: mcp apps layout https://github.com/archestra-ai/archestra/pull/3572