Kubernetes v1.21.1stable Released May 12, 2021
Impact Score: 5/10

Kubernetes v1.21.1

Source available โ€” automated, not human-reviewed

Component: kubernetes ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified โ€” check source notes
๐Ÿ“„ .MD
โšก Executive Summary (TL;DR)

Kubernetes v1.21.1. Source highlight: See kubernetes-announce@. Additional binary downloads are linked in the CHANGELOG.

Who Does This Impact? (Role-Based Analysis)

๐Ÿ’ป Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

๐Ÿ“Š Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

โš™๏ธ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

๐Ÿ“„ View Raw Release Notes (Original Developer Log)
See [kubernetes-announce@](https://groups.google.com/forum/#!forum/kubernetes-announce). Additional binary downloads are linked in the [CHANGELOG](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.21.md). See [the CHANGELOG](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.21.md) for more details. ### Release Assets <table> <tr><td colspan="2"><b>Kubernetes Source Code: </b> kubernetes.tar.gz</td><tr> <tr><td>SHA256</td><td>a91c9602ea5e4ab097eec04516582799aaa2843412d91aa8bf1a17b6d2d90f02</td></tr> <tr><td>SHA512</td><td>39005d4e11684d732babf419e06403a67ffb4f6c78cb7cb6e8214a7a1e6171de2a302d20d72bbb9da7f2748f46fd3bcf7d7e3b4767e3c8167f536d93e5f7bd7b</td></tr> </table>