Changelog

Stay up-to-date with the latest features, improvements, and bug fixes in Sim. All changes are documented here with detailed release notes.


v0.5.62
Jan 17, 2026

Features

  • fix(start): seed initial subblock values on batch add

Improvements

  • improvement(avatar): use selection-update as the source of truth for presence, ignore other socket ops
  • chore(readme): updated readme

Bug Fixes

  • fix(sockets): webhooks logic removal from copilot ops
  • fix(shift): fix shift select blue ring fading

View changes on GitHub

v0.5.61
Jan 17, 2026

Features

  • feat(readme): added deepwiki to readme, consolidated utils
  • improvement(deployed-mcp): added the ability to make the visibility for deployed mcp tools public, updated UX
  • feat(workspace): added option to leave workspace
  • improvement(security): added input validation for airtable, lemlist, and more tools to protect against SSRF
  • feat(ocr): added reducto and pulse for OCR
  • feat(context-menu): added context menu to dead sidebar space and usage indicator
  • improvement(permissions): added ability to auto-add new org members to existing permission group, disallow disabling of start block
  • feat(workflow-controls): added action bar for workflow controls
  • v0.5.60: invitation flow improvements, chat fixes, a2a improvements, additional copilot actions
  • feat(sheets): added sheet selector for microsoft excel and google sheets tools
  • feat(starter): in start block input format, don't prevent deletion if only one field remaining, just clear form
  • fix(misc): added trace spans back to notifications for webhooks, updated verification code for users signing in with email, updated welcome email
  • improvement(langsmith): add wand for batch ingestion schemas
  • feat(dashboard): added stats endpoint to compute stats on server side and avoid limit
  • feat(langsmith): add langsmith tools for logging, output selector use tool-aware listing
  • fix(agent-tools): added special handling for workflow tool in agent tool input, added react grab and feature flag
  • feat(reorder): allow workflow/folder reordering
  • fix(batch-add): on batch add persist subblock values
  • feat(tinybird): added tinybird block
  • feat(terminal): migrate from zustand for console terminal logs to indexedDb, incr limit from 5mb to ~GBs
  • fix(a2a): added file data part and data data part to a2a agents
  • improvement(oauth): added random identifier in unused accountId to bypass betterauth unique constraint
  • feat(slack): added get message by timestamp and get thread tool
  • fix(comparison): add condition to prevent duplicate identical edges
  • feat(copilot): add commands

Improvements

  • improvement(serializer): canonical subblock, serialization cleanups, schedules/webhooks are deployment version friendly
  • improvement(posthog): improve posthog config to be more lightweight
  • Improvement: subblocks
  • improvement: workflow, blocks, preview, avatars, output-select
  • improvement(chat): partialize chat store to only persist image URL instead of full image in floating chat
  • improvement(tools): use react query to fetch child workflow schema, avoid refetch and duplicated utils, consolidated utils and testing mocks
  • improvement(webhooks): lifecycle management with external providers, remove save configuration
  • improvement(snapshot): show subblocks for trigger only blocks in frozen canvas
  • improvement(slack): updated docs to include information for slack marketplace submission
  • improvement(copilot): update copilot to match copilot repo
  • improvement(emails): update email footer links to link to sim.ai/provider instead of direct provider links
  • improvement(langsmith): ugpraded langsmith to use tool names directly in dropdown
  • improvement(pricing): drop agent multiplier in docs, change base exec cost
  • improvement(schedule): default schedule timezone

Bug Fixes

  • fix(slack): tool params should be in line with block
  • fix(google-vault): error handling improvement and more params
  • fix(copilot): copilot edit router block accepts semantic handles
  • fix(copilot): fix copilot bugs
  • fix(queries): remove more remaining manual state management and refetching in favor of reactquery
  • fix(webflow): fix collection & site dropdown in webflow triggers
  • fix(linear): updated linear tools to enforce only required fields per api spec
  • improvement(presence): show presence for the same user in another tab, fix z-index of multiplayer cursor to fall behind panel,terminal,sidebar but above blocks, improved connection detection
  • fix(start): permission check for executor
  • fix(drag): read perms prevent drag
  • fix(sortOrder): initial ordering must be deterministic
  • fix(popover): fix frozen workspace popover
  • fix(otp): send welcome email even when user signs up via email/pass along with oauth providers
  • fix(notifications): consolidate notification utils, update email styling
  • fix(terminal-colors): change algo to compute colors based on hash of execution id and pointer from bottom
  • fix(i18n): update translations action to run once per week on sunday
  • fix(terminal): pop all entries from a single execution when the limit is exceeded
  • fix(copilot): rewrote user input popover to optimize UX
  • fix(copilot): commands
  • fix(chat): remove special handling for non-streaming
  • fix(invitations): preserve tokens after error
  • fix(sockets): redrawing edges should not lead to socket ops
  • fix(triggers): cleanup trigger outputs formatting, fix display name issues
  • fix(executor): pattern match more errors to prevent swallow

View changes on GitHub

v0.5.60
Jan 15, 2026

Features

  • v0.5.60: invitation flow improvements, chat fixes, a2a improvements, additional copilot actions
  • feat(sheets): added sheet selector for microsoft excel and google sheets tools
  • feat(starter): in start block input format, don't prevent deletion if only one field remaining, just clear form
  • fix(misc): added trace spans back to notifications for webhooks, updated verification code for users signing in with email, updated welcome email
  • improvement(langsmith): add wand for batch ingestion schemas
  • feat(dashboard): added stats endpoint to compute stats on server side and avoid limit
  • feat(langsmith): add langsmith tools for logging, output selector use tool-aware listing
  • fix(agent-tools): added special handling for workflow tool in agent tool input, added react grab and feature flag
  • feat(reorder): allow workflow/folder reordering
  • fix(batch-add): on batch add persist subblock values
  • feat(tinybird): added tinybird block
  • feat(terminal): migrate from zustand for console terminal logs to indexedDb, incr limit from 5mb to ~GBs
  • fix(a2a): added file data part and data data part to a2a agents
  • improvement(oauth): added random identifier in unused accountId to bypass betterauth unique constraint
  • feat(slack): added get message by timestamp and get thread tool
  • fix(comparison): add condition to prevent duplicate identical edges
  • feat(copilot): add commands

Improvements

  • improvement(copilot): update copilot to match copilot repo
  • improvement(emails): update email footer links to link to sim.ai/provider instead of direct provider links
  • improvement(langsmith): ugpraded langsmith to use tool names directly in dropdown
  • improvement(pricing): drop agent multiplier in docs, change base exec cost
  • improvement(schedule): default schedule timezone

Bug Fixes

  • fix(drag): read perms prevent drag
  • fix(sortOrder): initial ordering must be deterministic
  • fix(popover): fix frozen workspace popover
  • fix(otp): send welcome email even when user signs up via email/pass along with oauth providers
  • fix(notifications): consolidate notification utils, update email styling
  • fix(terminal-colors): change algo to compute colors based on hash of execution id and pointer from bottom
  • fix(i18n): update translations action to run once per week on sunday
  • fix(terminal): pop all entries from a single execution when the limit is exceeded
  • fix(copilot): rewrote user input popover to optimize UX
  • fix(copilot): commands
  • fix(chat): remove special handling for non-streaming
  • fix(invitations): preserve tokens after error
  • fix(sockets): redrawing edges should not lead to socket ops
  • fix(triggers): cleanup trigger outputs formatting, fix display name issues
  • fix(executor): pattern match more errors to prevent swallow

View changes on GitHub

v0.5.59
Jan 13, 2026

Features

  • feat(export): support maintenance of nested folder structure on import/export, added folder export admin route
  • feat(a2a): added a2a protocol
  • chore(readme): trim readme, add more envvar info
  • fix(ff): add back condition for isHosted FF

Improvements

  • chore(docs): update sim references in docs
  • improvement(FF): CI check to prevent hardcoding of FFs

Bug Fixes

  • fix(a2a): removed deployment constraint for redeploying a2a workflows

View changes on GitHub

v0.5.58
Jan 13, 2026

Features

  • feat(integrations): claude skills to add integrations, lemlist trigger + tools, remove test webhook url
  • feat(invitations): added FF to disable invitations, added to permission groups, added workspace members admin endpoints
  • feat(copilot): add context7
  • feat(tool): added introspection tools for all db integrations
  • feat(tools): added workflow tools to agent tools dropdown for discoverability, enforce perms on client for redeploying via the agent
  • feat(export): added the ability to export workflow

Improvements

  • improvement(block-outputs): display metadata properties destructured
  • improvement(byok): make available for all plans

Bug Fixes

  • fix(slack): remove duplicate effect that cleared subblocks on cred change
  • fix(color-picker): confirm color change before updating workflow color

View changes on GitHub

v0.5.57
Jan 11, 2026

Features

  • feat(popover): add expandOnHover, added the ability to change the color of a workflow icon, new workflow naming convention
  • fix(tag-input): add onInputChange to clear errors when new text is entered
  • feat(copilot): subagents

Improvements

  • improvement(response): only allow singleton

Bug Fixes

  • fix(resize): fix subflow resize on drag, children deselected in subflow on drag
  • fix(copilot): fix copilot chat loading
  • fix(subflow): updated subflow border to match block border
  • fix(context-menu): make divider on context menu aware of available options
  • fix(perms): copilot checks undefined issue
  • fix(router): fix router ports

View changes on GitHub

v0.5.56
Jan 10, 2026

Features

  • feat(docs): added circleback docs
  • feat(deployed-form): added deployed form input
  • feat(enterprise): permission groups, access control
  • improvement(wand): added more wands
  • feat(sidebar): context menu for nav items in sidebar, toolbar blocks, added missing docs for various blocks and triggers
  • fix(docs): new router
  • improvement(canvas): add multi-block select, add batch handle, enabled, and edge operations
  • feat(i18n): update translations
  • fix(sso): add missing deps to db container for running script

Improvements

  • improvement(google-drive)
  • improvement(billing): team upgrade + session management
  • improvement(docs): multiplier dropped to 1.4

Bug Fixes

  • fix(build): fixed circular dependencies
  • fix(ops): fix subflow resizing on exit
  • fix(tools): fixed workflow tool for agent to respect user provided params, inject at runtime like all other tools
  • fix(tools): updated memory block to throw better errors, removed deprecated posthog route, remove deprecated templates & console helpers

View changes on GitHub

v0.5.55
Jan 9, 2026

Features

  • improvement(autoconnect): click to add paths also autoconnect
  • feat(i18n): update translations
  • improvement(enterprise): feature flagging + runtime checks consolidation
  • improvement(auth): added ability to inject secrets to kubernetes, server-side ff to disable email registration
  • feat(i18n): update translations
  • feat(bedrock): added aws bedrock as a model provider
  • feat(polling-groups): can invite multiple people to have their gmail/outlook inboxes connected to a workflow

Improvements

  • improvement(execution-snapshot): enhance workflow preview in logs and deploy modal

Bug Fixes

  • fix(grain): grain trigger update
  • fix(linear): missing params
  • fix(chat): update stream to respect all output select objects
  • fix(devcontainer): use bunx for concurrently command

View changes on GitHub

v0.5.54
Jan 8, 2026

Features

  • feat(i18n): update translations
  • improvement(context-menu): added awareness for chat and variables being open, fixed select calculation to match height calculation for selecting multiple blocks
  • feat(fireflies): added fireflies tools and trigger
  • improvement(add-block): intuitive autoconnect + positioning
  • fix(grain): add grain key to idempotency service
  • improvement(helm): added missing optional envvars to helm for whitelabeling
  • feat(blacklist): added ability to blacklist models & providers
  • feat(seo): updated out-of-date site metadata, removed unused static assets, updated emails
  • fix(resolver): add both new and old workflow blocks for backwards compatibility

Improvements

  • ui improvements for deploy mcp

Bug Fixes

  • fix(preproc-errors): should not charge base execution cost in this case
  • fix(deploy-check): race condition fixes

View changes on GitHub

v0.5.53
Jan 7, 2026

Features

  • fix(agent-tool): fix workflow tool in agent to respect user-provided params, added badge for deployment status
  • feat(locks): add no-op for locking without redis to allow deployments without redis
  • feat(i18n): update translations
  • improvement(response): removed nested response block output, add docs for webhook block, styling improvements for subblocks
  • fix(canvas): add handler for focus loss for hotkey operations

Bug Fixes

  • improvement(triggers): moved save configuration above instructions for better visibility, fixed styling inconsistencies

View changes on GitHub