What changed in Relay.

Checks can now run before a tool is called, not only on the final answer.

Run agents and keep logs in the EU.

Any tool can ask a person first. Approve or refuse from the message.

Step through a past run call by call, with the inputs each tool saw.

Agents now start in under 300ms after a deploy, down from 1.1 seconds.

Tools can return typed errors, so plans retry or stop on purpose.