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Sim releases v0.5.86 with copilot MCP server-side execution and enterprise configuration
Sim Studio · releasefeatureapiintegration · github.com ↗

Key Features

Copilot Enhancements: This release brings significant improvements to the copilot functionality with two major additions:

  • MCP Integration: Copilot now supports Model Context Protocol (MCP) with server-side execution, enabling more robust and scalable copilot operations
  • Enterprise Configuration: New enterprise-level configuration options for copilot deployments, including support for copilot-only Helm deployments

Improvements & Observability

The release focuses on developer experience and operational visibility:

  • Logging Enhancements: Skill icons are now displayed in trace spans for better visual identification within logs
  • Workflow Logs: Increased the workflow logs limit from 1,000 to 5,000 entries per workflow, providing more comprehensive debugging information
  • Integrations: Added 1Password integration and improved JSM/Jira integration with destructured outputs
  • MCP Stability: Enhanced MCP SSE (Server-Sent Events) notifications with improved file handling in Jira
  • Preview Deployments: Added trigger mode context for deploy previews

Bug Fixes & Stability

Several critical fixes ensure production reliability:

  • Fixed execution state scoping to prevent cross-workflow data leakage
  • Hardened the notification system against race conditions
  • Improved Slack file metadata resolution with partial event payloads
  • Fixed subflow logs rendering in the terminal UI
  • Upgraded Bun runtime from 1.3.3 to 1.3.9