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Agents tracked: 258 Downloads (7d): 219M up 6.1% GitHub stars: 5.5M VS Code installs: 148M Releases (7d): 327 Agent status: 1 with issues Updated Oct 7, 2026
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Sim changelog: what's new each month

Every stable Sim release summarised by month: the highlights, new features, improvements, fixes and anything you need to act on. 3 months covered; the current month updates daily.

October 2026 · so far

8 releases: 0.9.9 → 0.9.14

October brought expanded integrations, improved deployment workflows, and better tooling for managing AI agents at scale. The month focused on marketplace content, SDK releases, and foundational stability improvements.

Highlights

  • Added You.com and Power BI integrations for broader workflow automation.
  • Introduced deployment version comparison across UI and API for better visibility.
  • Published Python and TypeScript SDKs to PyPI and npm.
  • Added live dashboard panel embedding in markdown and diff fence rendering.
  • Expanded library with guides on Postgres MCP servers, Slack security, and voice agents.

New

  • You.com integration for workflows.
  • Power BI actions and integration.
  • Ability to browse Lucid folders and Notion pages in search.
  • Compare deployment versions across UI and API.
  • Diff fence rendering and Mermaid diagram theming.
  • Live dashboard panel embedding in markdown.
  • Fork comparison for last synced source deployments.
  • Cycle composer modes with Shift+Tab in chat.

Improved

  • Search retirement now runs as an operator command instead of a deploy step.
  • Stale execution and file version cleanup moved off the request path.
  • Managed MCP sessions reused within operations.
  • Comment hygiene linting added to reduce noise.
  • Audit rules expanded to enforce console, helper, render-path, and deployment-flag standards.
  • Codebase tooling improved with shrink-only ratcheting and file-scoped guidance rules.
  • Code placeholder and reference scans made linear for better performance.

Fixed

  • Chat mention searches now stay open with aligned resource menus.
  • Chat uploads with non-VFS names now resolve correctly.
  • File lineage preserved through binary exports and extraction.
  • Logging now names driver causes and redacts bound parameters in errors.
  • Workflow identity preserved in background confirmations.
  • Claude Platform API keys now available in the provider catalog.

September 2026

47 releases: 0.8.18 → 0.9.6

September brought major enterprise features, significant performance improvements, and expanded integrations. The month saw updates across search, knowledge management, authentication, and workflow automation.

Highlights

  • New SSO and organization management features including support for multiple identity providers and SCIM 2.0 directory provisioning.
  • Added knowledge base export, improved search with organization-wide capabilities, and optimized vector retrieval performance.
  • Expanded integrations including Coda, ManageEngine, Otter.ai, AWS services, QuickBooks, and new AI model support.
  • Introduced file versioning, organization activity dashboards, and access request workflows for better governance.
  • Improved browser reliability, form filling, and agent tool-calling with configurable ceilings and model fallbacks.

New

  • Organization-level search and shared Slack app installation for enterprise deployment.
  • File version history accessible through the File block, logs, v2 API, CLI, and MCP.
  • SCIM 2.0 directory provisioning and organization administration via API.
  • Multi-identity provider support per organization with SSO enforcement options.
  • Organization activity dashboards and insights with 30-day default view.
  • Access request workflows for permission review and management.
  • Coda integration with API-token credentials and knowledge connector.
  • Model fallbacks for Agent, Evaluator, and Router workflow blocks.

Improved

  • Knowledge search now ranks within permitted sets and caches usage checks for faster retrieval.
  • Browser tool reliability improved with verified form filling and horizontal scroll support.
  • Vector search performance optimized with indexed keyword projections and bounded candidate selection.
  • Connector syncs made resilient to removed credentials and partial outcomes.
  • Agent tool history preservation with bounded context.
  • Search header behavior improved with deferred filter loading.
  • Database round trips reduced for table read and write operations.
  • UI consolidated across multiple surfaces including chat, search history, and organization controls.

Fixed

  • Billing cost multiplier coercion and sandbox pricing calculation.
  • Slack integration to disclose paid plan requirements and fix pagination.
  • Desktop update and quit flows hardened for stability.
  • Canvas and deploy modal behavior preservation during workflows.
  • File editor recovery and editing controls.
  • Knowledge connector sync failures with oversized index rows.

August 2026

20 releases: 0.2.0 → 0.8.17

August brought significant expansion to Sim's integration ecosystem and platform capabilities, with dozens of new connectors, workflow improvements, and security enhancements. The month focused on broadening agent tooling, improving user controls, and enhancing the developer experience across web and CLI interfaces.

Highlights

  • Added 40+ new integrations including Salesforce, ServiceNow, AWS Lambda, Microsoft SQL Server, and enterprise platforms like Datadog and Cloudflare.
  • Introduced managed credential groups, resource access policies, and enhanced secret management with visibility into where secrets are used.
  • Expanded workflow capabilities with new block cards, progress indicators, retry configurations, and natural language preview support.
  • Launched v2 API surface with resource management endpoints and headless platform operability.
  • Added CLI enhancements including run following, log tailing, and a new chat command for terminal users.

New

  • Knowledge base connectors for document pipelines across multiple sources.
  • Calendly, Jotform, Granola, and Ashby integrations with form submission triggers and lifecycle operations.
  • Tables filtering by cell value and column sorting from the UI.
  • Slack v2 triggers with custom bot backfill support.
  • Live voice input waveform for chat interface.
  • Desktop and self-hosted CLI support for standalone installations.
  • Find functionality in open markdown documents with Cmd/Ctrl+F.
  • Organization-wide BYOK (bring your own key) inheritance and credential group access policies.

Improved

  • Extended Datadog integration to 40 tools with full OpenAPI spec alignment.
  • Enhanced Ashby integration with incremental job sync and custom field writes.
  • Improved table performance by collapsing sequential round trips on read and write paths.
  • Batch condition evaluation into single sandbox calls and optimized transport deadlines.
  • Search now covers every folder with better error reporting.
  • Workflow block interface with new colors, DSL for natural language preview, and auto-focus toggle.
  • User account deletion and cookie management moved to Settings.
  • Secret descriptions and optional redaction opt-out for workspace secrets.

Fixed

  • Access control now defaults operations and model pickers to allowed permission groups.
  • Table queries allow unbounded v1 row results.
  • Generic webhook no longer publishes closed output schema.
  • Knowledge processing refunds attempts whose dispatch never occurred.
  • Connector rate limit handling and hydration termination.
  • Desktop tool lifecycle hardening in browser environment.

Summaries are written automatically from the official release notes (full changelog ↗); check the original notes before relying on a detail. Sim: pricing, features and alternatives · All changelogs