Apache Flink

Server App

Apache Flink 2.3 is the newest actively maintained release, currently at patch 2.3.0. 4 of 8 tracked cycles remain supported.

Latest version

2.3.0

Jun 23, 2026

Actively maintained cycles

of 8 tracked

Total cycles tracked

since Mar 23, 2023

Support pattern

How Apache Flink 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

17 months

median of 4 completed cycles

New cycle roughly every

5 months

median gap between releases

Compared with server app

+2 mo

longer than the server app median

Computed from release and end-of-life dates tracked for Apache Flink. 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

2.3Latest

2.3.0 · Jun 23, 2026

2.2

2.2.1 · May 11, 2026

2.1

2.1.3 · Jun 11, 2026

2.0

EOL Jun 25, 2026

1.20

1.20.5 · Jun 11, 2026

1.19

EOL Jul 1, 2026

1.18

EOL Mar 24, 2025

1.17

EOL Aug 1, 2024

2023202420252026

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