Saturday, November 7, 2026 270 picks · 133 builders credited Subscribe
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ReleasesMonday, September 28, 2026

Hermes Agent v0.21.5 Patch Drop

Patch release with ~460 merged PRs since v0.21.4. Improvements to Desktop plugin SDK, new interface mode, Connectors page, and expanded model support (GPT-6, Claude Opus 5.5). Update via `hermes update`.

Cover art for Releases: Hermes Agent v0.21.5 Patch Drop

Why it matters

Shows the velocity of the project and keeps the agent current with frontier models. Desktop SDK upgrades matter for anyone building custom UI surfaces.

From the source

Hermes Agent#release#v0.21.5#models#desktop-sdk#patch

Related

More Releases

ReleasesNov 7

Hermes Agent v0.23.0 Ships Desktop-in-Browser, Unified Gateway, and More

Major release (Nov 5). Key highlights: full Desktop workspace served by the gateway in any browser tab (webapp.enabled); one gateway owns every conversation across CLI/TUI/Desktop/messaging/cron (fixes double-writes and missing messages); terminal image rendering; /Rewind; Group Chats with automatic routing; spend limits for paid tools; lighter/faster core (shared cache keys, faster LSP edits). Rolls up prior patch releases. ~10k commits, 666 contributors since v0.22.

ReleasesOct 22

Hermes v0.22.4 Ships; Continues Rapid Feature Cadence from Threshold Release

v0.22.4 is a small patch (suggestion pills removed, plugin/dashboard fixes, new catalog entries including bubblewrap, mcp-serve, agent-importers with Cursor support). It follows the larger v0.22 series that introduced smoother onboarding with free trial models, one-click connectors, stable update channel, local model support, per-chat MCP spend limits, shared whiteboard, and MCP-to-plugin tooling.

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