Changelog

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


v0.5.82
Feb 6, 2026

Features

  • feat(slack): add file attachment support to slack webhook trigger

Bug Fixes

  • fix(resolver): response format and evaluator metrics in deactivated branch
  • fix(linear): align tool outputs, queries, and pagination with API
  • fix(executor): loop sentinel-end wrongly queued

View changes on GitHub

v0.5.81
Feb 5, 2026

Features

  • feat(azure): added azure anthropic, added backwards compat support for chat completions API, added opus 4.6
  • feat(confluence): added more confluence endpoints

Bug Fixes

  • fix(client-exec): send correct client workflow state override
  • fix(inputs): canonical params + manual validations + params resolution cleanups
  • fix(tracespans): update tracespans tool calls to accurately display inputs for successive identical tool calls

View changes on GitHub

v0.5.80
Feb 5, 2026

Features

  • feat(async-jobs): async execution with job queue backends
  • feat(timeouts): execution timeout limits
  • feat(note-block): note block preview newlines
  • feat(canvas): added the ability to lock blocks
  • feat(ee): add enterprise modules
  • feat(editor): added docs link to editor

Improvements

  • improvement(openai): migrate to responses api
  • improvement(timeouts): sync to 50 min, self-hosted maxed out
  • improvement(rooms): redis client closed should fail with indicator
  • improvement(files): pass user file objects around consistently
  • improvement(tag-dropdown): removed custom styling on tag dropdown popover, fixed execution ordering in terminal and loops entries
  • improvement(billing): duplicate checks for bypasses, logger billing actor consistency, run from block

Bug Fixes

  • fix(serializer): validate required fields for blocks without tools
  • fix(mistral): restore mistral configs for v2 version
  • fix(limits): updated rate limiter to match execution timeouts, adjusted timeouts fallback to be free plan
  • fix(providers): correct tool calling message format across all providers
  • fix(import): preserve workflow colors during import
  • fix(editor): block rename applies to correct block when selection changes
  • fix(logs): use formatDuration utility and align file cards styling
  • fix(http): serialize nested objects in form-urlencoded body
  • fix(sidebar): right-click replaces selection, reset popover hover state
  • fix(formatting): consolidate duration formatting into shared utility
  • fix(mcp): child workflow with response block returns error
  • fix(cleanup-cron): stale execution cleanup integer overflow

View changes on GitHub

v0.5.79
Feb 1, 2026

Features

  • feat(tools): added enrich so

Improvements

  • improvement(ratelimits, sockets): increase across all plans, reconnecting notif for sockets

Bug Fixes

  • fix(workflow): optimize loop/parallel regeneration and prevent duplicate agent tools
  • fix(mcp): pass timeout to SDK callTool to override 60s default

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v0.5.78
Jan 31, 2026

Features

  • feat(tools): added google maps and DSPy
  • feat(invitations): added invitations query hook, migrated all tool files to use absolute imports

Bug Fixes

  • fix(visibility): updated visibility for non-sensitive tool params from user only to user or llm
  • fix(executor): condition inside parallel
  • fix(mcp): increase timeout from 1m to 10m
  • fix(billing): plan should be detected from stripe subscription object
  • fix(editor): advanced toggle respects user edit permissions

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v0.5.77
Jan 30, 2026

Features

  • feat(note-block): enable body dragging to match workflow block
  • feat(deployments): human-readable version descriptions
  • feat(tools): added similarweb
  • feat(calcom): added calcom

Improvements

  • improvement(docker): update docker-compose env vars
  • improvement(docs): instant copy button + performance optimizations

Bug Fixes

  • fix(terminal): start precision
  • fix(note): remove icon from note block in preview
  • fix(agent-logs): don't filter out agent cost from trace span
  • fix(invite-modal): remove custom button heights and useEffect anti-pattern
  • fix(anthropic): token limits for streaming with tool calls
  • fix(streaming): handle multi-byte UTF-8 chars split across chunks
  • fix(copilot): hosted api key validation + credential validation
  • fix(executor): conditional deactivation for loops/parallels

Other Changes

  • improvment(sockets): migrate to redis

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v0.5.76
Jan 29, 2026

Improvements

  • v0.5.76: posthog improvements, readme updates

Bug Fixes

  • fix(posthog): move session recording proxy to middleware for large payload support
  • fix(oauth): use createElement for icon components to fix React hooks error

Other Changes

  • chore(readme): update readme.md

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v0.5.75
Jan 29, 2026

Features

  • feat(child-workflows): nested execution snapshots
  • feat(youtube): add captions, trending, and video categories tools with enhanced API coverage
  • feat(timeout): add API block timeout configuration
  • feat(terminal): structured output
  • feat(description): add deployment version descriptions
  • feat(executor): run from/until block

Improvements

  • improvement(preview): include current workflow badge in breadcrumb in workflow snapshot
  • improvement(inputs): sanitize trigger inputs better
  • improvement(search-modal): add quick navigation items and fix cmdk value uniqueness
  • improvement(cmdk): refactor search modal to use cmdk + fix icon SVG IDs

Bug Fixes

  • fix(type): logs workspace delivery
  • fix(copilot): panning on workflow
  • fix(snapshot): consolidate to use hasWorkflowChanges check
  • fix(icons): update strokeWidth of action bar items to match, update run from block icon to match run workflow button
  • fix: terminal spacing, subflow disabled in preview
  • fix(child-workflow-error-spans): pass trace-spans accurately in block logs
  • fix(tests): use UTC methods for timezone-independent schedule assertions
  • fix(workflow): update container dimensions on keyboard movement
  • fix(loops): fix loops on empty collection
  • fix(helm): move rotationPolicy under privateKey for cert-manager compatibility

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v0.5.74
Jan 28, 2026

Features

  • feat(autolayout): add snap-to-grid support
  • feat(tools): added clerk tools and block

Improvements

  • improvement(function): timeout increase to 5 min
  • improvement(helm): update GPU device plugin and add cert-manager issuers
  • improvement(block-inputs): must parse json accurately + models max_tokens fix
  • improvement(skills): extend skills

Bug Fixes

  • fix(autolayout): pass through gridsize
  • fix(openrouter): ignored when tools are configured but unused
  • fix(gemini): token count
  • fix(models): update cerebras and groq models
  • fix(hitl): add missing fields to block configs
  • fix(security): add authentication to remaining tool API routes
  • fix(workflow): use panel-aware viewport center for paste and block placement
  • fix(badge): add type variant for dark mode contrast
  • fix(terminal): persist collapsed state across page refresh

View changes on GitHub

v0.5.73
Jan 27, 2026

Features

  • feat(tools): added more intercom tools
  • feat(code): undo-redo state
  • feat(note-block): expand media embed support with tuned aspect ratios
  • feat(ci): auto-create github releases and add workflow permissions
  • feat(helm): add branding configmap for custom assets

Improvements

  • improvement(tools): updated kalshi and polymarket tools and blocks
  • improvement(mcp): remove mcp-remote for cursor config
  • improvement(workflow): hide raw json childworkflow span
  • improvement(preview): error paths, loops, workflow
  • improvement(docs): updated logo, added lightbox to action media, fixed minor styling inconsistencies between themes
  • improvement(preview): consolidate block rendering and fix handle configurations

Bug Fixes

  • fix(executor): fix. convergent error edges
  • fix(max-tokens): anthropic models streaming vs non-streaming
  • fix(kb): workspace id required for creation
  • fix(input-format): resolution for blocks with input format fields
  • fix(copilot): reliable zoom to changed blocks after diff applied
  • fix(docs): separate local and blob asset resolution for quick-reference
  • fix(codegen): function prologue resolution edge cases

View changes on GitHub