v0.15.1 v6.4.1
NousResearch/hermes-agentSep 18, 2026 → Sep 19, 20260 days between releases
What's New
Major release adds native plan execution, diagnostic skills, and new code harnesses.
Breaking Changes
- executing-plans no longer stops every few tasks to check in
- review-package rejects empty or non-descendant BASE..HEAD ranges
- Plans with the same basename no longer share a workspace
New Features
- New diagnosing-superpowers skill for debugging
- Native execution for executing-plans
- Support for OpenCode 2.0 harness
- Support for Muse harness
- Support for Qwen Code harness
Improvements
- Native execution is cheaper than subagent-driven development
- executing-plans rebuilt from stub to functional mode
Upgrade Notes
The `executing-plans` workflow now runs the entire plan before review. Update `review-package` commands to use valid git ranges. Plans with identical basenames now use separate workspaces.
The Two Releases
v0.15.1
Sep 18, 2026· 1 month ago
Release focuses on configuring tool access independently, setting custom AI message steps, and improving document linking. It resolves Display-P3 color profile rendering issues and enhances MCP server diagnostics and CORS handling.
Full release notesv6.4.1
Sep 19, 2026· 1 month ago
v6.4.1 introduces a new diagnostic skill, rebuilds the executing-plans skill for cheaper native execution, and adds support for OpenCode 2.0, Muse, and Qwen Code harnesses.
Full release notes