v0.7.27

## Features

- feat(rich-markdown-editor): round-trip gate, VSCode/style paste, highlight, block reorder (#5539)
- feat(providers): add Meta Muse Spark 1.1 provider (#5538)
- feat(providers): add OpenAI GPT-5.6 Sol, Terra, and Luna models (#5537)
- feat(observability): extend audit log, PostHog, and storage metering coverage (#5269)
- feat(jupyter): add Jupyter integration (contents, kernels, sessions) (#5527)
- feat(chat): replace thinking indicator with gooey loader (#5525)
- feat(comparison): add Custom Blocks as a comparison-page fact (#5519)
- feat(custom-blocks): org-member visibility, workspace-admin-gated management (#5507)
- feat(providers): add xAI grok-4.5 model (#5511)
- feat(pii): add opt-in GLiNER NER engine (PII_ENGINE), device-agnostic (#5495)

## Improvements

- improvement(forking): minor ui improvements (#5533)
- refactor(blog): split AEO/GEO content into a new /library section (#5516)
- improvement(forking): unlink, settings page migration, deployed chats, public apis, external mcp servers/tools, special subblocks (#5505)
- refactor(utils): consolidate duplicated helpers onto @sim/utils (#5509)
- improvement(knowledge): open document tags from row context menu (#5510)

## Bug Fixes

- fix(agent): scope nested tool canonical-mode overrides by instance, not type (#5534)
- fix(triggers): validate 10 more webhook/polling triggers against live API docs (#5530)
- hotfix(landing): revert unoptimized removal, compress source images instead (#5528)
- fix(landing): fix Core Web Vitals regressions across public marketing pages (#5522)
- fix(triggers): repair broken idempotency dedup across 4 webhook/polling triggers (#5524)
- fix(ashby): repair broken idempotency dedup and clarify duplicate-webhook errors (#5518)
- fix(rich-markdown-editor): eliminate empty-block / boundary-key structural bugs (#5517)
- fix(workflow): render agent tool chip names from static sources, not stored title (#5501)
- fix(comparison): correct stale and unsourced claims on comparison pages (#5513)
- fix(providers): sync xai defaultModel with grok-4.5 recommended flag (#5512)
- fix(deps): upgrade better-auth 1.6.11 -> 1.6.13 (GHSA fix, Dependabot #166/#167) (#5508)

## Other Changes

- chore(skill): check branch is synced with origin/staging before pushing (#5529)
- chore(typescript): upgrade to TypeScript 7 (native Go compiler) (#5521)
- docs(forking): workspace forking for enterprises (#5520)
- docs(enterprise): add Custom Blocks page (#5515)
- chore(tables): remove tables-fractional-ordering feature flag (#5503)

## Contributors

- @TheodoreSpeaks
- @icecrasher321
- @j15z
- @waleedlatif1

[View changes on GitHub](https://github.com/simstudioai/sim/compare/v0.7.26...v0.7.27)