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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 : Sep 25, 2026Actualisé chaque jour
v2026.9.24Dernière

Hermes Agent v0.21.5 (v2026.9.24)

Explication (en anglais)

This patch release aggregates 460 PRs into a stable tag for downstream consumers, introducing critical infrastructure updates like the Connectors page replacing the MCP tab and a public event bridge for plugin backends. It also expands model support to include GPT-6 and Claude Opus 5.5 while adding multi-language catalog support and voice shortcuts for the Desktop interface.

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)

This patch release consolidates ~1,800 PRs into a stable tag for downstream consumers, introducing critical infrastructure improvements like gateway singleton locks and configurable MCP discovery concurrency. It also adds significant CLI and Desktop features, including structured JSONL output, session journal modes, and new community plugins, with full documentation deferred to v0.22.0.

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 stability issues by coalescing concurrent refresh requests to prevent token replay attacks and freezing the event loop, while also fixing resource leaks in long-lived processes through optimized database handle management.

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 WAL race conditions introduced in v0.21.0, ensuring state.db reliability for operators. It fixes root causes like conflicting locks and unsafe checkpoints, preventing session corruption and database wedging.

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 changes including codebase modularization, performance optimizations, and MCP authorization improvements for downstream consumers. While it provides immediate stability and feature updates, detailed documentation is deferred to the upcoming v0.22.0 release.

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 Bot Mode, enabling multi-agent societies with group chats and peer-to-peer DMs, while enhancing operational continuity through memory-enabled cron jobs and live subagent steering. This release significantly simplifies multi-agent orchestration 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)

Hermes Agent v0.20.6 consolidates ~525 PRs into a stable patch, introducing critical operational improvements like lean-tail compression, remote MCP catalog expansion, and secure OS-keychain encryption for secrets. This release enhances deployment stability and developer experience by replacing unsafe in-place updates with image-managed installs and adding support for new models like GLM-5.3-Flash.

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)

Hermes Agent v2026.8.19 focuses on security, authentication, or permission flow changes, model selection, reasoning, or inference behavior, developer workflow and CLI productivity. This note is useful as a direction signal for teams tracking AI agent tooling and production workflows.

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 →