Nous Research
Nous Research, frontier open-weight fine-tunes (Hermes, DeepHermes) and agent tooling.
Release history
Hermes Agent 0.22.4
Hermes Agent 0.22.4 removes composer suggestion pills, skips empty plugin consent prompts, and adds bubblewrap, Apptainer, and MCP server support
Hermes Agent 0.22.2
Hermes Agent 0.22.2 fixes gateway startup after reboot and improves local model resilience on laptops boot state and handling sleep periods
Hermes Agent 0.22.1
Hermes Agent adds Nemotron 3.5 defaults, Korean and Brazilian Portuguese language packs, multiple model provider plugins, and group attachment controls
Hermes Agent 0.22.0
Large version bump billed as a major release; Review breaking changes before upgrading production agents
Hermes Agent 0.21.7
Source installs now track tagged releases instead of every commit, reasoning persists across resumed sessions, and update checks work reliably behind firewalls
Hermes Agent 0.21.6
Hermes Agent 0.21.6 consolidates 2,106 merged PRs including streaming speech-to-text, isolated third-party plugins, local model support, and four dashboard authentication security fixes
Hermes Plugin Byterover 1.0.1
Byterover memory plugin extracted to standalone package under Nous Research maintenance with cross-platform CI and backward-compatible config migration
Hermes Agent 0.21.5
Hermes Agent 0.21.5 consolidates 460 PRs with desktop plugin SDK, French/German/Spanish catalogs, performance improvements, and new model integrations for stable downstream consumption
Hermes Agent 0.21.4
Hermes Agent 0.21.4 stabilizes 1,800 merged PRs including desktop improvements, structured CLI output, MCP discovery controls, new video models, and community plugins
Hermes Agent 0.21.3
Patch fixes remote session expiration on refresh bursts and state.db handle leaks in long-lived processes, rolling 338 PRs for Cloud agent auto-updates
Hermes Agent 0.21.2
Patch release targeting state.db
Hermes Agent 0.21.1
Hermes Agent v0.21.1 rolls up 5,139 commits with codebase modularization, performance improvements, MCP authorization, and delegation reliability fixes
Hermes Agent 0.21.0
Bot Mode bundles multi-agent collaboration into desktop app with group chats, cron jobs gain persistent memory, and agents can steer subagents live mid-flight
Hermes Agent 0.20.6
Hermes Agent 0.20.6 bundles 525 PRs with consent-gated profile browsing, desktop window isolation, remote MCP catalog expansion, TTL caching, OS-keychain encryption, and new model support
Hermes Agent 0.20.5
Hermes Agent 0.20.5 bundles 323 PRs with group threads, keyless web tier with free provider rotation, CLI improvements, execution guards, and desktop performance optimizations
Hermes Agent 0.20.4
Hermes Agent 0.20.4 stabilizes 74 merged PRs including desktop UI improvements, bot group-chat fixes, NVIDIA security scanning on skill installs, and SessionDB performance hardening
Hermes Agent 0.20.3
Hermes Agent 0.20.3 bundles MCP 2.x SDK migration, stateless protocol support, Bot Mode plugin, subprocess hardening, and cron scheduler self-healing fixes
Hermes Agent 0.20.2
Hermes Agent v0.20.2 consolidates 397 PRs across desktop, CLI, gateway, and auth with prompt caching, model routing, and platform robustness improvements
Hermes Agent 0.20.1
Hermes Agent 0.20.1 consolidates 656 merged PRs with stabilization fixes across desktop, gateway, installers, and provider tools
Hermes Agent 0.20.0
V0.20.0 Herald release; 3,650 commits, 559k insertions since v0.19.0
Hermes Agent 0.19.1
Hermes Agent 0.19.1 stabilizes 1,000+ PRs with bug fixes across gateway, voice, desktop, and installer subsystems
Hermes Agent 0.19.0
Hermes Agent drops first-token latency 80% across platforms, streams reasoning live, adds terminal subscription management, integrates Bitwarden/1Password, and ensures durable delivery through crashes
Hermes Agent 0.18.2
Fixed WhatsApp bridge dependency resolution Baileys from git commit to published npm release, enabling reliable Docker builds
Hermes Agent 0.18.0
Major release: 1,720 commits, 998 PRs merged, 949 issues closed, 370
Hermes Agent 0.17.0
Hermes Agent 0.17.0 adds iMessage and Raft agent network support, substantially upgrades the desktop app, enables background subagents, and adds image editing capabilities