{
  "version": "v0.21.4",
  "tag": "v2026.9.21",
  "name": "Hermes Agent v0.21.4 (v2026.9.21)",
  "publishedAt": "2026-09-21T18:10:55Z",
  "source": "research/64-release-2026-9-21.md",
  "sourceUrl": "https://github.com/NousResearch/hermes-agent/releases/tag/v2026.9.21",
  "summary": "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."
}