v0.15.0 v1.0.3

Name: hibiki
Author: kyutai-labs

high risk

kyutai-labs/hibikiSep 16, 2026 → Sep 17, 20261 day between releases

What's New

Major version jump introduces backend Agent Sandbox with Python SDK, replacing frontend MCP focus.

New Features

Configurable TLS profiles for controller and router
Enterprise blueprints including OpenClaw Fleet
Extended pluggable agent toolsets
In-cluster Agent Client Protocol (ACP) JSON-RPC server
Cluster-Wide Egress Control using NetworkPolicy API

Improvements

Process group cleanup in sandboxd
Namespace deletion optimization
Python SDK type safety with PEP 561 support
Execution-scoped credential injection examples

Bug Fixes

Process group leaks in sandboxd
Namespace deletion exponential backoff storms

Upgrade Notes

Requires adopting the new Agent Sandbox architecture and Python SDK. No specific migration guide provided in release notes.

The Two Releases

v0.15.0

Sep 16, 2026· 1 month ago

OpenPencil v0.15.0 introduces MCP SDK v2 integration, redesigns the scene graph with instance overrides, adds experimental WebMCP support, enhances AI chat with conversation management, and brings numerous new editing and rendering features.

Full release notes

v1.0.3

Sep 17, 2026· 1 month ago

This release focuses on core stability, Python SDK enhancements, and enterprise-ready reference architectures. It introduces configurable TLS controls, resolves process group leaks, and adds extensive blueprints for fleet management and network policies.

Full release notes