Changelog

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


v0.5.77
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

View changes on GitHub

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

View changes on GitHub

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

View changes on GitHub

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

v0.5.72
Jan 26, 2026

Improvements

  • improvement(docs): added images and videos to quick references

Bug Fixes

  • fix(multi-trigger): resolution paths for triggers
  • fix(supabase): storage upload + add basic mode version
  • fix(storage): support Azure connection string for presigned URLs

View changes on GitHub

v0.5.71
Jan 26, 2026

Improvements

  • improvement(docs): add quick reference page and update SDK documentation

Bug Fixes

  • fix(sdk): improve input handling and separate input from options
  • fix(releases): improve commit categorization and ci security
  • fix(copilot): canonical modes should be constructed on edit
  • fix(context-menu): preserve selection when right-clicking selected block
  • fix(tooltip): add tooltip to canonical toggle button

View changes on GitHub

v0.5.70
Jan 25, 2026

Bug Fixes

  • fix(anthropic): use anthropic sdk to transform malformed response schemas to anthropic format
  • fix(llm): update router and llm_chat tool to call providers routes

View changes on GitHub

typescript-sdk-v0.1.2
Jan 25, 2026

TypeScript SDK v0.1.2

Published simstudio-ts-sdk@0.1.2 to npm.

Installation

npm install simstudio-ts-sdk@0.1.2

Documentation

See the README or the docs for more information.

python-sdk-v0.1.2
Jan 25, 2026

Python SDK v0.1.2

Published simstudio-sdk==0.1.2 to PyPI.

Installation

pip install simstudio-sdk==0.1.2

Documentation

See the README or the docs for more information.