v2026.8.16.2
LukeSmithxyz/emailwizv2026.8.16.2Aug 17, 2026by teknium1
AI Summary
This patch release migrates the MCP SDK to version 2.x and bundles Bot Mode, alongside hardening Python runtime security and improving cron scheduler reliability.
Key Highlights
- MCP 2.x SDK migration and stateless protocol support
- Bundled Bot Mode (hermes-bots) plugin
- Python runtime ownership hardening (isolation)
- Cua Driver 0.20 runtime contracts for computer use
- Cron scheduler self-heal mechanisms (EMFILE recovery)
New Features
- CommandCode provider plugin
- Subprocess Python runtime isolation
- Session handoff data-loss fixes
- Remote-gateway headers and connection self-healing
- Plugin install security scanning
Full Release Notes
# Hermes Agent v0.20.3 (v2026.8.16.2) **Release Date:** August 16, 2026 > Patch release. This tag rolls up the ~125 PRs merged since v0.20.2 into a stable tagged release for downstream consumers (Docker images, hosted deployments, fresh installs). --- ## About this release Since v0.20.2 (v2026.8.16, tagged earlier today), this window landed **~250 commits** across **~461 files** (+42,613 / −1,641) — **~125 merged PRs** including the MCP 2.x SDK migration and 2026-07-28 stateless protocol support, the bundled Bot Mode (hermes-bots) plugin with the core teammate protocol, the CommandCode provider plugin, subprocess Python runtime ownership hardening (PYTHONHOME/PYTHONPATH isolation), Cua Driver 0.20 runtime contracts for computer use, kanban worktree/dispatch fixes, cron continuity flags, desktop remote-gateway headers and connection self-healing, cron scheduler self-heal (EMFILE recovery, stale-claim reconciliation, wedged-job re-arm), session handoff data-loss fixes, plus a wave of ports from the ecosystem scout slate (plugin install security scanning, /worktree, /rollback hand-edit preservation, UTF-16 file reads, Gemini 3 tool-call ID preservation, and more). **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...v2026.8.16.2