Hermes Agent v0.19.0 Quicksilver Release Published July 20, 2026 | Tool Update
NousResearch published Hermes Agent v0.19.0 on July 20, 2026 with 80% cold start reduction.
Published on MyPrivateClaw
Jul 21, 2026, 3:17 PM UTC
Coverage date
Jul 20, 2026
Last updated
Jul 22, 2026, 11:52 PM UTC
News summary
Hermes Agent v0.19.0 (tagged v2026.7.20), codenamed The Quicksilver Release, was published by NousResearch on July 20, 2026 as the latest release of the Hermes Agent AI agent framework, with 2,245 commits since v0.18.0. Hermes Agent v0.19.0 reduced cold start time to first token from 4.3 seconds to 0.9s ( 80% reduction) across CLI, gateway, TUI, desktop, and cron; reasoning models stream thinking live by default; the desktop app received 20+ performance PRs including 14x faster streaming markdown (July 20, 2026). Updates published July 20, 2026 include a pluggable SecretSource interface supporting Bitwarden and 1Password as secret sources, with op:// reference support for 1Password; smart approvals became the default command review mode, with LLM based independent assessment of flagged commands and user defined deny rules; and a delivery obligation ledger that records final responses in…