Hermes Agent v0.20.4 (v2026.8.18)

Release Date: August 18, 2026

Patch release. This tag rolls up the ~74 PRs merged since v0.20.3 into a stable tagged release for downstream consumers (Docker images, hosted deployments, fresh installs).

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About this release

Since v0.20.3 (v2026.8.16.2, tagged August 17), this window landed ~146 commits across ~265 files (+21,697 / −2,217) — ~74 merged PRs including the desktop glass/translucency surface work (matte glass, frost picker, macOS pre-select), the tabbed SESSIONS|BOTS sidebar with per-bot hide/unhide, Bot Mode group-chat fixes (long-running member turns, Markdown rendering, cross-machine routing), NVIDIA SkillEvaluator Tier 1 advisory scanning on skill installs (license + security checks), cron media-send hardening (configurable timeout, manual-run attachments, missed-fire surfacing), SessionDB event-loop-thread and contention fixes, hermes update parked-branch honesty, and kanban native OS notifications.

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: https://github.com/NousResearch/hermes-agent/compare/v2026.8.16.2...v2026.8.18