Amazon MSK End of Life (EOL) Dates and End of Support (EOS) Dates
12 Amazon MSK versions have reached End of Life (EOL) and End of Support (EOS), including Amazon MSK 3.5 (EOL date: Oct 23, 2025) — no longer receiving security updates or patches. Amazon MSK 3.6 reaches its End of Support date on Jun 01, 2026 — plan your upgrade path now. Amazon MSK 4.1.x is the current supported release — 4 versions in active support. Also see Amazon CDK EOSL dates for related end-of-life information.
Currently Supported Amazon MSK Releases - Active EOS/EOSL Support (4)
Amazon MSK Releases Nearing End of Life - Support Ending Soon (2)
Amazon MSK End of Life (EOL) Releases - No Longer Supported (12)
| Release | Released | Support | Latest |
|---|---|---|---|
| 3.5 | (2 years and 7 months ago) | (7 months ago) | 3.5.1 (2 years and 7 months ago) |
| 3.4 | (3 years ago) | (9 months ago) | 3.4.0 (3 years ago) |
| 3.3 | (3 years and 6 months ago) | (1 year and 8 months ago) | 3.3.2 (3 years and 2 months ago) |
| 3.1 | (3 years and 11 months ago) | (1 year and 8 months ago) | 3.1.1 (3 years and 11 months ago) |
| 3.2 | (3 years and 11 months ago) | (1 year and 8 months ago) | 3.2.0 (3 years and 11 months ago) |
| 2.8 | (5 years ago) | (1 year and 4 months ago) | 2.8.2-tiered (3 years and 6 months ago) |
| 2.7 | (5 years and 4 months ago) | (1 year and 8 months ago) | 2.7.2 (4 years and 5 months ago) |
| 2.6 | (5 years and 7 months ago) | (1 year and 8 months ago) | 2.6.3 (4 years and 5 months ago) |
| 2.5 | (5 years and 7 months ago) | (1 year and 11 months ago) | 2.5.1 (5 years and 7 months ago) |
| 2.3 | (6 years and 5 months ago) | (1 year and 11 months ago) | 2.3.1 (6 years and 5 months ago) |
| 2.4 | (6 years and 5 months ago) | (1 year and 11 months ago) | 2.4.1.1 (5 years and 8 months ago) |
| 2.2 | (6 years and 9 months ago) | (1 year and 11 months ago) | 2.2.1 (6 years and 9 months ago) |
Amazon MSK End of Life & Support Summary
Which Amazon MSK Versions Are Currently Supported?
Amazon MSK currently has 4 supported releases. Amazon MSK 4.1.x is the latest. Amazon MSK 4.0. Note that Amazon MSK 3.6 support ends on Jun 01, 2026 — plan your upgrade before then.
Amazon MSK Versions Nearing End of Life
2 Amazon MSK releases are reaching End of Life (EOL) within 6 months. Amazon MSK 3.6 support ends on Jun 01, 2026. Amazon MSK 3.7 follows on Sep 01, 2026. Upgrade to Amazon MSK 4.1.x to stay on a supported release.
Amazon MSK End of Life (EOL) Version History
12 Amazon MSK releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Amazon MSK 3.5 reached EOL on Oct 23, 2025. Amazon MSK 4.1.x is the recommended upgrade for users still on End of Life versions.