Hermes Agent v0.21.0 adds live control over subagents

Hermes Agent v0.21.0, released August 31, 2026, adds live control over delegated subagents: listing running agents, sending mid-flight corrections, and stopping them while keeping partial results. Default limits rise to 250 iterations per subagent and 10 concurrent agents, with results validated against a pre-declared JSON Schema.

• List running subagents, send mid-flight corrections, and stop them while keeping partial results
• Default limits: 250 iterations per subagent and 10 concurrent agents
• Results validated against a pre-declared JSON Schema with one retry on failure
• Delegation results include per-task cost