Changelog
Every new feature, improvement, and fix in Sim, the open-source AI workspace, with release notes straight from GitHub.
Features
- feat(sidebar): search the workspace switcher when a user has many workspaces
- feat(slack): native Sim app trigger mode via the preview-gated slack_v2 block
- feat(library): Best AI Agents for Customer Support Automation
Improvements
- improvement(slack): request the approved mention/assistant/DM scopes, advertised on v2 only
- improvement(shopify): pin Admin API to supported 2025-10 via shared constant
- improvement(credentials): actionable Shopify admin-token rejection message
- improvement(landing): keyword-forward SEO copy on the home and enterprise pages
Bug Fixes
- fix(mcp): stream guarded transport via undici.request so SSE responses work under Bun
- fix(confluence): preserve panel/callout macro semantics through sync
- fix(knowledge): replace deletion-safety heuristics with a two-phase tombstone
- fix(tables): sniff CSV delimiter and capture the real header row on import
- fix(custom-blocks): stop image icons blowing up on class-sized surfaces
Other Changes
- chore(blocks): rename webhook block
- chore(deps): bump next to 16.2.11 to clear security advisories
v0.7.43
Bug Fixes
- fix(knowledge): purge trashed Google Sheets tabs on a normal sync
- fix(connectors): purge archived/deleted source items in KB connectors
- fix(ci): unblock the deploy chain and remove the promotion-dedup gate
Features
- feat(chat): soft-delete sidebar chats with restore from Recently Deleted
- feat(library): Best AI Agents for Data Extraction and RAG in 2026
- feat(access-control): per-group chat-deploy auth modes + polish
- feat(providers): add Gemini 3.6 Flash and 3.5 Flash-Lite
- feat(models): sunset tiers for models mirroring blocks (legacy amber / deprecated red)
Improvements
- improvement(deployments): shorten lock windows and add tx safety timeouts on the deploy path
- improvement(mothership): stable thinking indicator and jump-free streaming scroll
- improvement(subblocks): trust block registry over stored subblock type
- improvement(mcp): make the OAuth experience visible and verbally consistent
- improvement(admin): cleanup included usage settings for enterprise
- improvement(search-modal): remove matched-character bolding and move SearchHighlight into knowledge
- improvement(emcn): consistent hugging tab bars via ChipModalTabs
- improvement(mcp): let users re-open OAuth authorization anytime
- improvement(slack): merge slack_v2 auth into one credential picker for accounts and custom bots
Bug Fixes
- fix(mcp): keep last-known-good tools instead of flashing red on a transient failure
- fix(auth): gate email-otp auto-signup behind DISABLE_EMAIL_SIGNUP
- fix(mcp): follow tools/list pagination instead of silently truncating
- fix(workflow): align condition/router handles with their rows
- fix(slack): allow empty status to clear the assistant status indicator
- fix(mcp): open the OAuth popup synchronously and bound the start request
- fix(mcp): replace single-IP pinning with validate-at-connect SSRF guard
- fix(ci): run Build App on the larger runner in GitHub mode
- fix(ci): make GitHub-hosted fallback actually build and test
- fix(mcp): retire pooled connections after consecutive request timeouts
- fix(mcp): keep the pooled connection warm on a request timeout
- fix(pii): mask offloaded large payloads chunk-by-chunk instead of aborting at 16MB
- fix(custom-blocks): render and execute custom blocks as agent tools
- fix(workflow-persistence): make persistMigratedBlocks' updated_at guard millisecond-tolerant
- fix(mcp): don't blank the MCP tools page when tool discovery fails
- fix(mcp): bound OAuth callback steps and log each phase to pinpoint hangs
- fix(csp): allow X (Twitter) conversion pixel domains on hosted
- fix(emails): keep custom whitelabel logos at height 34, not the padded wordmark's 41
- fix(emails): sharpen wordmark, add clear space, and standardize footer icon sizes
- fix(security): prefer IPv4 when pinning DB and 1Password connections
- fix(mcp): pin outbound connections to IPv4 to avoid unreachable-IPv6 hangs
Other Changes
- diag(mcp): per-request phase logging on the streamable-HTTP transport
- chore(ci): add CI_PROVIDER toggle between Blacksmith and GitHub-hosted runners
Features
- feat(library): add Best AI Agents for Sales and CRM Automation post
- feat(managed-agents): add Claude Managed Agents workflow block
- feat(zip): add support for zip files
- feat(blocks): surface deprecated block and model warnings on canvas
- feat(pi): add code review mode
- feat(copilot): add share_file tool handler and surface file share state to the agent
- feat(mcp): reuse warm connections for tool execution and discovery
- feat(library): add BYOK multi-model AI agent builder post
- feat(library): add Best Relay.app Alternatives in 2026 post
Improvements
- improvement(blocks): two-tier sunset schema (legacy amber / deprecated red)
- improvement(ux): submit on Enter in chip modals and advance table rows
- improvement(blocks): name the integration in every suggested-action template title
- improvement(mcp): bound pool create-invalidation to in-flight creates; document DCR match
- improvement(mcp): trace OAuth state writes to diagnose invalid_state clobber
Bug Fixes
- fix(mcp): use HTTP/1.1 for the streamable-HTTP transport (drop allowH2)
- fix(ux): balance question-card spacing and drop stray SMTP icon dot
- fix(mcp): bound and tear down one-shot OAuth fetches so auth can't hang
- fix(library): show full unambiguous dates on featured and related cards
- fix(ui): tuck notification stack below modal and dropdown menus
- fix(mcp): bound OAuth discovery/DCR/token fetches with a timeout
- fix(sidebar): reset drag state on dragend so edge drop zones can't strand over first/last rows
- fix(gmail-poller): resolve OAuth credential provider aliases
- fix(mcp): deliver OAuth callback result over BroadcastChannel so COOP can't strand the connect
- fix(mcp): keep a legacy server row from blanking the whole server list
- fix(chat): run block execution state loader
- fix(mcp): auth-type handling, OAuth-pending UX, safe diagnostics + HTTP/2
- fix(security): bound YAML alias expansion in file-parser (billion-laughs DoS)
Other Changes
- chore(mcp): remove temporary HTTP diagnostics
- diag(mcp): comprehensive HTTP logging for OAuth + streamable-HTTP transport
- chore(tiktok): simplify to draft-only Content Posting
Features
- feat(admin): show recently impersonated users in admin panel
Improvements
- improvement(mcp): align tool discovery timeouts and retries with MCP protocol standard
- perf(mothership): restore static markdown parse for settled chat messages
Bug Fixes
- fix(mcp): recover cleanly from OAuth failures