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Hermes Agent

Nous Research’s persistent open-source personal agent.

GitHub releasesLast checked: Nov 01, 2026Refreshes daily
v0.22.5Latest

Hermes Agent v0.22.5

Explanation

Hermes Agent v0.22.5 is a comprehensive patch release aggregating 81 PRs and 231 commits, introducing significant architectural shifts such as moving the Singularity backend to plugins and enabling pluggable delegation backends for subagent routing. For developers and operators, this update delivers critical stability improvements including Electron 44 and Pillow 13 upgrades, enhanced Windows update recovery, and new plan support features like model-switch recovery for window-based subscriptions.

Official highlights

  • Release Date: October 22, 2026
  • Patch release. This tag rolls up the ~81 PRs merged since v0.22.4 into a stable release for the GitHub release (CLI and installers), the Microsoft Store app, Docker and Hermes Cloud. Full curated notes for this window ship with v0.23.0.
  • Measured at commit `bf0203a794a`, the window since v0.22.4 contains 231 non-merge commits across 804 changed files (+35,212 / −17,885), 81 merged PRs and 30 closed issues.
  • Full curated release notes for this window ship with v0.23.0, which will document everything from v0.22.0 onward — highlights, feature areas, and complete contributor credits. Nothing in this window is skipped.
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v0.22.4

Hermes Agent v0.22.4

Explanation

This patch release resolves UI noise by removing the redundant MCP server suggestion pills from the desktop composer and streamlines the plugin installation workflow by skipping empty dependency consent prompts. Additionally, it enhances operational stability with fixes for WhatsApp re-pairing, approval-mode chip synchronization, and improved pre-build verification timing for slow storage environments.

Official highlights

  • Release Date: October 21, 2026
  • Patch release. Desktop stops showing suggestion pills above the composer, plus small plugin and dashboard fixes, for the CLI and installer, the Microsoft Store app, Docker and Hermes Cloud.
  • Desktop no longer shows suggestion pills above the composer. The pills appeared for no clear reason, mostly nudging you to set up MCP servers. They and the helpers that only they used are gone. (#142559)
  • Plugins that install nothing skip the dependency consent step. A plugin that declares no dependencies, or whose `pyproject.toml` installs nothing, now enables without an empty consent prompt. (#142569)
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v0.22.3

Hermes Agent v0.22.3

Explanation

Hermes Agent v0.22.3 is a comprehensive patch release aggregating approximately 620 PRs and 2,911 commits into a stable build for the CLI, Docker, Microsoft Store, and Hermes Cloud environments. While this tag stabilizes the infrastructure and includes significant backend improvements like OAuth plugin handling and live MCP progress notifications, detailed feature documentation and contributor credits are deferred to the upcoming v0.23.0 release.

Official highlights

  • Release Date: October 21, 2026
  • Patch release. This tag rolls up the ~620 PRs merged since v0.22.2 into a stable release for the CLI and installer, the Microsoft Store app, Docker and Hermes Cloud. Full curated notes for this window ship with v0.23.0.
  • Measured at commit `5b147ab036d`, the window since v0.22.2 contains 2,911 non-merge commits across 4,206 changed files (+360,278 / −64,308), about 620 merged PRs and 326 closed issues.
  • Full curated release notes for this window ship with v0.23.0, which will document everything from v0.22.0 onward — highlights, feature areas, and complete contributor credits. Nothing in this window is skipped.
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v0.22.2

Hermes Agent v0.22.2

Explanation

Hermes Agent v0.22.2 corrects the v0.22.1 release engineering error by shipping the intended stable build, which restores gateway startup reliability on Linux after reboot and resolves the Microsoft Store app 'Connecting' loop. Operators should note that while local-model streaming and memory management on Windows are improved, sessions created under the faulty v0.22.1 gateway cannot be deleted in this version.

Official highlights

  • Release Date: October 15, 2026
  • v0.22.1 was built from the wrong commit. It shipped unreleased gateway work, and the Microsoft Store app could stick on "Connecting." 0.22.2 is the release 0.22.1 was meant to be.
  • Known issue: Sessions that ran under the 0.22.1 gateway can't be deleted in 0.22.2.
  • Below is everything in the 0.22 release line since v0.22.0: the fixes 0.22.1 was meant to ship, plus the two above. Work that is only on `main` ships with v0.23.0.
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v0.22.1

Hermes Agent v0.22.1

Explanation

Hermes Agent v0.22.1 introduces default parameters for the Nemotron Super 3.5 model and enhances the CLI model picker with a curated list, while expanding the plugin ecosystem with new language packs, model providers, and ledger integrations. These updates improve configuration flexibility for AI product teams and streamline plugin management for operators through standardized catalog additions and canonical group attachment controls.

Official highlights

  • Hermes Agent v0.22.1 (rc.5-v0.22.1)
  • Release Date: October 14, 2026
  • This is a patch release, with a handful of fixes for the Windows Store, plugin updates, and more.
  • Agent): add nemotron super 3.5 default parameters (`c59d2994`) — @elisam0
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v0.22.0

Hermes Agent v0.22.0 — The Threshold Release

Explanation

Hermes Agent v0.22.0 introduces a guided onboarding chat powered by a free trial model to eliminate initial API key friction, while enforcing a stricter runtime environment with Python 3.14 and platform-specific installers (MSIX for Windows, Apple Silicon for macOS). This release significantly reduces codebase complexity by one-third and consolidates infrastructure into a single backend and gateway per profile, streamlining maintenance for operators and developers.

Official highlights

  • Release Date: October 13, 2026
  • Since v0.21.0: ~24,200 commits · ~6,080 merged PRs · ~15,600 files changed · ~2,045,000 insertions · ~1,140,000 deletions · ~7,180 issues closed · ~2,520 contributors
  • Python 3.14 is the runtime for managed installs (the package manager installs it for you). KittenTTS is unavailable on 3.14. (#102765)
  • Windows desktop is MSIX-only and needs Windows 11 22H2 or newer; the NSIS/MSI installers are gone. The macOS app is Apple Silicon only in default builds. (#102765, #136603)
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v0.21.7

Hermes Agent v0.21.7

Explanation

Hermes Agent v0.21.7 introduces a configurable update channel for source installs, allowing developers to choose between stable releases or tracking every commit via the desktop app settings or CLI. Additionally, the patch resolves critical session continuity issues by ensuring signed thinking reasoning survives resume operations and fixes Bedrock Converse model rejection on resumed sessions, while also improving update reliability behind restrictive firewalls.

Official highlights

  • Release Date: October 11, 2026
  • What this patch ships for source installs (`hermes update` and the desktop app's updater on a git checkout):
  • Choose the channel in the desktop app. Settings ▸ About ▸ Updates has an *Update channel* switch (Stable releases / Every commit) for source installs, and the update dialog now shows which channel you are on.
  • Reasoning survives resume. Signed thinking replays after `hermes chat --resume` and on the next gateway turn, and Bedrock Converse reasoning models no longer get rejected on resumed sessions.
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v0.21.6

Hermes Agent v0.21.6

Explanation

Hermes Agent v0.21.6 is a comprehensive patch release aggregating approximately 2,100 PRs and 8,867 commits into a stable Docker and Hermes Cloud image, marking the first cut via the new stable release pipeline. While full curated notes are deferred to v0.22.0, this update introduces critical infrastructure improvements such as per-profile plugin isolation, local model support with llama.cpp CUDA, and enhanced CLI/TUI features like live transcription and usage chips, directly impacting deployment stability and developer workflow efficiency.

Official highlights

  • Release Date: October 8, 2026
  • Patch release. This tag rolls up the ~2,100 PRs merged since v0.21.5 into a stable tagged release for Docker and Hermes Cloud. Full curated notes for this window ship with v0.22.0.
  • Measured at commit `818c13be1dc4fd28987e1e881a9408224afd4535`, the window since v0.21.5 contains 8,867 non-merge commits across 8,342 changed files (+772,490 / −225,600), 2,106 merged PRs and 3,027 closed issues.
  • Full curated release notes for this window ship with v0.22.0, which will document everything from v0.21.0 onward — highlights, feature areas, and complete contributor credits. Nothing in this window is skipped.
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