Flatcar Container Linux

The continuation of CoreOS's Container Linux after Red Hat discontinued it, today under the Cloud Native Computing Foundation. Immutable system, automatic channel-based updates and an LTS branch with long support.

12
Releases
Official Site

Latest news

Latest Release
4081.3.11
Release Date
2026-10-23
license
Apache-2.0
LTS Versions
6
Supported
2
4081.3.11[LTS][Active]
Release: 2026-10-23
Download
4757.2.2[Active]
Release: 2026-10-23
Download
4757.2.1[EOL]
Release: 2026-10-20End of Support: 2026-10-23
4757.2.0[EOL]
Release: 2026-09-14End of Support: 2026-10-20
4081.3.10[LTS][EOL]
Release: 2026-08-13End of Support: 2026-10-23
4593.2.5[EOL]
Release: 2026-08-13End of Support: 2026-09-14
4081.3.9[LTS][EOL]
Release: 2026-07-09End of Support: 2026-08-13
4593.2.4[EOL]
Release: 2026-07-09End of Support: 2026-08-13
4593.2.3[EOL]
Release: 2026-06-16End of Support: 2026-07-09
4081.3.8[LTS][EOL]
Release: 2026-05-27End of Support: 2026-07-09
4081.3.7[LTS][EOL]
Release: 2026-04-27End of Support: 2026-05-27
4081.3.6[LTS][EOL]
Release: 2025-09-15End of Support: 2026-04-27