Memcached End of Life (EOL) Dates and End of Support (EOS) Dates

Latest Release: 1.6.41 (March 06, 2026)

2 Memcached versions have reached End of Life (EOL) and End of Support (EOS), including Memcached 1.5 (EOL date: Mar 09, 2020) — no longer receiving security updates or patches. Memcached 1.6.41 is the current supported release. Also see CockroachDB end of life dates for related end-of-life information.

Currently Supported Memcached Releases - Active EOS/EOSL Support (1)

Release	Released	Security Support	Latest
1.6	Mar 08, 2020 (6 years and 2 months ago)	Active	1.6.41 2026-03-06 (2 months ago)

Memcached End of Life (EOL) Releases - No Longer Supported (2)

Release	Released	Security Support	Latest
1.5	Jul 21, 2017 (8 years and 9 months ago)	Mar 09, 2020 (6 years and 2 months ago)	1.5.22 2020-02-01 (6 years and 3 months ago)
1.4	Jul 09, 2009 (16 years and 10 months ago)	Jul 21, 2017 (8 years and 9 months ago)	1.4.39 2017-07-04 (8 years and 10 months ago)

Memcached End of Life & Support Summary

Which Memcached Versions Are Currently Supported?

Memcached currently has 1 supported release. Memcached 1.6.41 is the latest.

Memcached End of Life (EOL) Version History

2 Memcached releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Memcached 1.5 reached EOL on Mar 09, 2020. Memcached 1.6.41 is the recommended upgrade for users still on End of Life versions.