v0.9.9 v1.0.2

high risk

kubernetes-sigs/agent-sandboxSep 10, 2026 → Sep 11, 20260 days between releases

What's New

Router namespace moved to agent-sandbox-system and Authorizer interface signature changed

Breaking Changes

  • Sandbox Router Authorizer interface signature changed from (namespace, name) to authz.AuthorizationTarget
  • Router manifests moved from default namespace to agent-sandbox-system

New Features

  • Ed25519-based scoped-token v2 verification for fine-grained authorization
  • Direct in-cluster connectivity options for Go SDK
  • Warm pool adoption in RL SDK
  • OpenHands integration and scalable multi-agent workflows
  • Controller observability metrics via controller-runtime v0.25.0

Improvements

  • Enhanced connection resiliency for Python SDK
  • Scoped-Token v2 security verification
  • Direct in-cluster connectivity options
  • Controller observability metrics
  • Warm pool adoption for efficiency

Upgrade Notes

Update custom Authorizer implementations to inspect the authz.AuthorizationTarget struct instead of separate namespace/name arguments. Update deployment manifests to target the agent-sandbox-system namespace. Verify Go SDK connectivity settings for in-cluster options.

The Two Releases

v0.9.9

v0.9.9

Sep 10, 2026· 1 month ago

Adds Router9 and Septor Labs adapters. Fixes keyless platform routing to prevent wasting attempt budget. Adds response caching for streaming requests and `execution_id` to chat bodies.

Full release notes
v1.0.2

v1.0.2

Sep 11, 2026· 1 month ago

This release introduces significant security and performance upgrades, including Ed25519-based scoped-token v2 verification, direct in-cluster connectivity for the Go SDK, and enhanced resiliency for the Python SDK. It also adds warm pool adoption, OpenHands integration, and controller observability metrics via controller-runtime v0.25.0.

Full release notes