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Hermes Agent

Nous Research’s persistent open-source personal agent.

Les explications ci-dessous sont en anglais (aucune version française n’est encore produite).

GitHub releasesDernière vérification : Oct 05, 2026Actualisé chaque jour
v2026.9.24Dernière

Hermes Agent v0.21.5 (v2026.9.24)

Explication (en anglais)

This patch release aggregates 460 PRs and 1,610 commits into a stable build for Docker and hosted deployments, introducing significant Desktop UI enhancements, new model support (GPT-6, Claude Opus 5.5), and expanded plugin SDK capabilities. It also adds critical operational features like webhook mirroring, per-profile lifecycle management, and multi-language catalog support for international teams.

Points forts officiels

  • # Hermes Agent v0.21.5 (v2026.9.24)
  • Release Date:** September 24, 2026
  • > Patch release. This tag rolls up the ~460 PRs merged since v0.21.4 into a stable tagged release for downstream consumers (Docker images, Hermes Cloud, hosted deployments). Full curated notes for this window are deferred to v0.22.0.
  • Measured at commit `f97608f178d1ffeca59860195ab7da295f7c8e5f`, the window since v0.21.4 contains **1,610 non-merge commits** across **4,828 changed files** (+164,132 / −149,440), **460 merged PRs** and **475 closed issues**.
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v2026.9.21

Hermes Agent v0.21.4 (v2026.9.21)

Explication (en anglais)

Hermes Agent v0.21.4 is a massive patch release aggregating ~1,800 PRs and over 5,000 commits, introducing critical infrastructure improvements like gateway singleton locks, MCP discovery concurrency controls, and structured CLI output. It also delivers significant UX enhancements including Desktop backend optimization, plugin management, and new video catalog integrations for downstream consumers.

Points forts officiels

  • # Hermes Agent v0.21.4 (v2026.9.21)
  • Release Date:** September 21, 2026
  • > Patch release. This tag rolls up the ~1,800 PRs merged since v0.21.3 into a stable tagged release for downstream consumers (Docker images, Hermes Cloud, hosted deployments). Full curated notes for this window are deferred to v0.22.0.
  • Measured at commit `4b8a8134009a8727a289bcabeb0019fedd353128`, the window since v0.21.3 contains **5,071 non-merge commits** across **5,169 changed files** (+312,961 / −62,855), **1,812 merged PRs** and **2,116 closed issues**.
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v2026.9.14

Hermes Agent v0.21.3 (v2026.9.14)

Explication (en anglais)

This patch resolves critical session expiration issues caused by concurrent refresh token replays and prevents state.db handle leaks in long-lived processes, ensuring stability for Docker and Cloud deployments. It also introduces a Pydantic wire-contract registry with generated TypeScript types to improve TUI/Desktop gateway integration.

Points forts officiels

  • # Hermes Agent v0.21.3 (v2026.9.14)
  • Release Date:** September 14, 2026
  • ## What this patch ships for remote Desktop / Cloud users
  • ## Also requested for this tag
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v2026.9.11

Hermes Agent v0.21.2 (v2026.9.11)

Explication (en anglais)

This patch release resolves critical SQLite concurrency and locking issues introduced in v0.21.0 that caused state.db corruption and wedging, specifically by isolating hosted room state and enforcing read-only dashboard handles. It ensures operational stability for developers and operators by fixing root causes of second-writer conflicts and WAL generation errors.

Points forts officiels

  • # Hermes Agent v0.21.2 (v2026.9.11) — The state.db Patch Release
  • Release Date:** September 11, 2026
  • ### state.db reliability campaign (six PRs, 44 issues closed)
  • If your `state.db` broke after 0.21.0, this is the release for you. Six PRs fix the root causes rather than the symptoms:
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v2026.9.7

Hermes Agent v0.21.1 (v2026.9.7)

Explication (en anglais)

This patch release aggregates significant codebase changes including modularization, performance optimizations, and MCP authorization improvements for downstream consumers. Teams should note that detailed feature documentation is deferred to v0.22.0, requiring reliance on the changelog for specific implementation details.

Points forts officiels

  • # Hermes Agent v0.21.1 (v2026.9.7)
  • Release Date:** September 7, 2026
  • > Patch release. This tag rolls up current main since v0.21.0 for tagged deployments and downstream consumers.
  • Full curated release notes for this window will ship with v0.22.0**, covering everything since v0.21.0, including the intervening patch releases, feature details, and complete contributor credits.
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v2026.8.31

Hermes Agent v0.21.0 (v2026.8.31)

Explication (en anglais)

Hermes Agent v0.21.0 introduces a native Bot Mode enabling multi-agent societies with persistent group chats and peer-to-peer messaging, while enhancing operational continuity through memory-enabled cron jobs and live subagent steering. This release significantly lowers the friction for building autonomous agent workflows by integrating these capabilities directly into the desktop app and expanding the MCP command surface.

Points forts officiels

  • # Hermes Agent v0.21.0 (v2026.8.31)
  • Release Date:** August 31, 2026
  • Since v0.20.0:** ~5,800 commits · ~2,475 merged PRs · ~5,680 files changed · ~869,000 insertions · ~135,000 deletions · **~2,100 issues closed** · 760+ contributors
  • ## 🏗️ Core Agent & Architecture
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v2026.8.27

Hermes Agent v0.20.6 (v2026.8.27)

Explication (en anglais)

This patch aggregates ~525 PRs to stabilize downstream deployments, introducing critical operational improvements like lean-tail compression, OS-keychain encryption for secrets, and a managed SSH remote-update engine. It also expands the MCP catalog with 50+ verified vendors and adds support for new models including GLM-5.3-Flash and MiniMax H3 Max.

Points forts officiels

  • # Hermes Agent v0.20.6 (v2026.8.27)
  • Release Date:** August 27, 2026
  • > Patch release. This tag rolls up the ~525 PRs merged since v0.20.5 into a stable tagged release for downstream consumers (Docker images, hosted deployments, fresh installs).
  • Full curated release notes for this window will ship with v0.21.0**, which will document everything from v0.20.0 onward — highlights, feature areas, and complete contributor credits. Nothing in this window is skipped.
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v2026.8.19

Hermes Agent v0.20.5 (v2026.8.19)

Explication (en anglais)

This patch release consolidates ~323 PRs into a stable version, introducing critical UX enhancements like Bot Mode group threads and drag-and-drop file attachments alongside significant backend improvements such as zero-key web tier rotation and runtime stall guards. It serves as a comprehensive stability update for downstream consumers before the detailed v0.21.0 documentation is published.

Points forts officiels

  • # Hermes Agent v0.20.5 (v2026.8.19)
  • Release Date:** August 19, 2026
  • > Patch release. This tag rolls up the ~323 PRs merged since v0.20.4 into a stable tagged release for downstream consumers (Docker images, hosted deployments, fresh installs).
  • Full curated release notes for this window will ship with v0.21.0**, which will document everything from v0.20.0 onward — highlights, feature areas, and complete contributor credits. Nothing in this window is skipped.
Voir la mise à jour d'origine →