v0.12.26 v2026.8.31
NousResearch/hermes-agentAug 31, 2026 → Aug 31, 20260 days between releases
What's New
Major version jump to 0.21 introduces Bot Mode and multi-agent society features.
Breaking Changes
- Bot Mode is now a bundled, default-on desktop feature (configuration changes required).
- Major version jump (0.12 to 0.21) implies potential breaking API changes.
New Features
- Bot Mode with named agents, deterministic avatars, and Discord-style group chats.
- Cron jobs with persistent memory, continuity, and scratchpad.
- Live subagent steering with list, steer, and stop controls.
- MCP Command Center with drag-in import and fleet cost/usage overlay.
- Agents gain direct control over the desktop's internal browser.
Improvements
- Significant security hardening applied to the agent.
- MCP servers are managed via a new command center dashboard.
Upgrade Notes
Bot Mode is now a bundled, default-on desktop feature that may require configuration adjustments. Cron jobs now feature persistent memory, which may require migration of existing job logic. The new MCP Command Center introduces a dashboard interface that may require server configuration changes.
The Two Releases
v0.12.26
Aug 31, 2026· 2 months ago
Focuses on Zoom integration improvements including per-participant speaker attribution, better admission, and meeting failure diagnostics. Also updates the base image to Noble.
Full release notesHermes Agent v0.21.0 (v2026.8.31)
Aug 31, 2026· 2 months ago
This release, titled 'The Pantheon Release,' introduces Bot Mode as a default desktop feature, enabling a society of agents with group chats and avatars. It enhances agent capabilities with persistent memory for cron jobs, live subagent steering, and a unified MCP command center, alongside new model providers and significant security hardening.
Full release notes