Amazon MSK

Service

Amazon MSK 4.2 is the newest actively maintained release, currently at patch 4.2.x. 5 of 19 tracked cycles remain supported.

Latest version

4.2.x

Jul 15, 2026

Actively maintained cycles

of 19 tracked

Total cycles tracked

since Jul 31, 2019

Support pattern

How Amazon MSK has behaved across the cycles tracked here, rather than what its policy documents state. Useful for judging how much runway a version is likely to have before you commit to it.

Typical support window

37 mo (~3 years)

median of 14 completed cycles

New cycle roughly every

5 months

median gap between releases

Compared with service

−7 mo

shorter than the service median

Support windows are getting shorter: the most recent cycles run about 20 months less than the earlier ones.

Computed from release and end-of-life dates tracked for Amazon MSK. Medians are used rather than averages so one unusually short or long release does not skew the figure. Cycles with no recorded end-of-life date are excluded from the support window.

Release lifecycle

Actively maintainedSecurity support onlyEnd of life

Today

4.2Latest

4.2.x · Jul 15, 2026

4.1

4.1.x · Oct 15, 2025

4.0

4.0.x · May 16, 2025

3.9

3.9.x · Apr 21, 2025

3.8

3.8.x · Feb 20, 2025

3.7

EOL Sep 1, 2026

3.6

EOL Jun 1, 2026

3.5

EOL Oct 23, 2025

3.4

EOL Aug 4, 2025

3.3

EOL Sep 11, 2024

3.2

EOL Sep 11, 2024

3.1

EOL Sep 11, 2024

2.8

EOL Jan 14, 2025

2.7

EOL Sep 11, 2024

2.6

EOL Sep 11, 2024

2.5

EOL Jun 8, 2024

2.4

EOL Jun 8, 2024

2.3

EOL Jun 8, 2024

2.2

EOL Jun 8, 2024

2020202120222023202420252026

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