v2.0
September 12, 2026
Agents are generally available
Multi-step agents leave beta. New: tool budgets, per-agent guardrail policies, and a replay view that diffs two runs side by side. Existing beta agents migrate automatically.
v1.9
August 28, 2026
Evals as a deploy gate
Attach an eval suite to any agent and block deploys under a pass-rate threshold. Results land in the trace view with the failing cases highlighted.
v1.8
August 7, 2026
Routing across providers
One API for 40+ models with automatic fallbacks, response caching and per-route cost limits. Median added latency is 38ms.
v1.7
July 17, 2026
Self-hosted control plane
Scale customers can run Kestral in their own VPC. Same UI, same API, your data never leaves your account.