# hermes-agent v2026.8.27 — Hermes Agent v0.20.6 (v2026.8.27)

- Product: hermes-agent (https://whatsnew.fyi/product/hermes-agent)
- Vendor: NousResearch
- Date: 2026-08-27
- Version: v2026.8.27
- Original notes: https://github.com/NousResearch/hermes-agent/releases/tag/v2026.8.27
- Permalink: https://whatsnew.fyi/product/hermes-agent/releases/v2026.8.27

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Consent-gated real-profile browsing using your default Chromium profile for local browsing with Windows close-with-approval flow
- **added** — Desktop Browser with its own OS window and managed SSH remote-update engine
- **added** — Fleet profile rail for desktop Browser
- **added** — Remote MCP catalog expansion with 50+ live-verified vendor-hosted servers including Cloudflare, Grafana Cloud, Better Stack, and Railway
- **added** — TTL result caching for web_search and web_extract tools
- **added** — Multi-query tool_search with stemming
- **added** — Opt-in OS-keychain encryption for stored secrets
- **added** — Pluggable terminal environment backends
- **added** — New models across the pickers including GLM-5.3-Flash, MiniMax M3 free, and MiniMax H3 Max video
- **changed** — Lean-tail compression set as the default
- **changed** — Updaters now pause gateways over the control socket instead of tree-killing them
- **changed** — Slack link-unfurl controls enhanced
- **changed** — Shared Docker container identities implemented
- **fixed** — Cron durable-incident acknowledgments and clearer code-skew failure reporting
- **fixed** — Image and package-managed installs now refuse unsafe in-place updates
- **removed** — Per-launch macOS Keychain prompts eliminated with opt-in OS-keychain encryption

#### 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).

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##### About this release

Since v0.20.5 (v2026.8.19, tagged August 21), this window landed **~1,313 commits** across **~1,557 files** (+177,113 / −21,682) — **~525 merged PRs** including consent-gated real-profile browsing (use your default Chromium profile for local browsing, with Windows close-with-approval flow); the desktop Browser getting its own OS window plus a managed SSH remote-update engine and fleet profile rail; a large remote MCP catalog expansion (50+ live-verified vendor-hosted servers incl. Cloudflare, Grafana Cloud, Better Stack, Railway); TTL result caching for web_search/web_extract; lean-tail compression as the default; multi-query tool_search with stemming; opt-in OS-keychain encryption for stored secrets (no more per-launch macOS Keychain prompts); updaters pausing gateways over the control socket instead of tree-killing them; image/package-managed installs refusing unsafe in-place updates (#91277 Phase 3); cron durable-incident acks and clearer code-skew failures; Slack link-unfurl controls; shared Docker container identities; pluggable terminal environment backends; and new models across the pickers (GLM-5.3-Flash, MiniMax M3 free, MiniMax H3 Max video).

**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.

##### Updating

- `hermes update` from an existing install
- Fresh install: `curl -fsSL https://raw.githubusercontent.com/NousResearch/hermes-agent/main/scripts/install.sh | bash`

**Full Changelog**: [v2026.8.19...v2026.8.27](https://github.com/NousResearch/hermes-agent/compare/v2026.8.19...v2026.8.27)