Docker Announces Open Source Containerd 2.0
Docker has announced the release of containerd 2.0, now fully open source with enhanced performance, improved Kubernetes integration, and new features.
May 18, 2026 • 5 min read • kiotocloud Team
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Docker announced the release of containerd 2.0, a major update to the industry-standard container runtime, now fully open source under the Apache 2.0 license.
What's New
- Fully open source under Apache 2.0 license
- Improved Kubernetes integration with native CRD support
- Enhanced performance with up to 30% faster container startup
- New sandbox API for better isolation
Breaking Changes
The 2.0 release introduces several breaking changes that users should be aware of before upgrading, including changes to the API and configuration format.
Migration Guide
Users migrating from containerd 1.x should follow the official migration guide to ensure a smooth transition.