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

Latest Release: 2.10.3 (August 27, 2026)

Composer end of life (EOL) and end of support (EOS) dates: 10 Composer versions have reached EOL, including Composer 2.9 (EOL date: May 28, 2026) — no longer receiving security updates or patches. Composer 2.2 (LTS) reaches its End of Support date on Dec 31, 2026 — plan your upgrade path now. Composer 2.10.3 is the current supported release. Also see API Platform end of life dates for related end-of-life information.

Composer end of life dates timeline — release schedule chart of the 8 most recent Composer versions, mapping security support windows against their EOL dates — Composer end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 8 most recent Composer releases of 12 total. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact Composer EOL, EOS and EOSL dates for every version are listed in the tables below.

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

Release	Released	Security Support	Latest	LTS
2.10	May 28, 2026 (4 months ago)	Active	2.10.3 2026-08-27 (1 month and 3 weeks ago)	-

Composer Releases Nearing End of Life - Support Ending Soon (1)

Important: The following Composer releases will reach End of Life (EOL) within 6 months. Plan your migration to a supported release to ensure continued security updates and support.

Release	Released	Security Support	Latest	LTS
2.2 (LTS)	Dec 22, 2021 (4 years and 10 months ago)	Dec 31, 2026 (in 2 months)	2.2.30 2026-08-27 (1 month and 3 weeks ago)	LTS

Composer End of Life (EOL) Releases - No Longer Supported (10)

Release	Released	Security Support	Latest	LTS
2.9	Nov 13, 2025 (11 months ago)	May 28, 2026 (4 months ago)	2.9.8 2026-05-13 (5 months ago)	-
2.8	Oct 02, 2024 (2 years ago)	Nov 13, 2025 (11 months ago)	2.8.12 2025-09-19 (1 year and 1 month ago)	-
2.7	Feb 08, 2024 (2 years and 8 months ago)	Oct 02, 2024 (2 years ago)	2.7.9 2024-09-04 (2 years and 1 month ago)	-
2.6	Sep 01, 2023 (3 years and 1 month ago)	Feb 08, 2024 (2 years and 8 months ago)	2.6.6 2023-12-08 (2 years and 10 months ago)	-
2.5	Dec 20, 2022 (3 years and 10 months ago)	Sep 01, 2023 (3 years and 1 month ago)	2.5.8 2023-06-09 (3 years and 4 months ago)	-

2.4	Aug 16, 2022 (4 years and 2 months ago)	Dec 20, 2022 (3 years and 10 months ago)	2.4.4 2022-10-27 (3 years and 11 months ago)	-
2.3	Mar 30, 2022 (4 years and 6 months ago)	Aug 16, 2022 (4 years and 2 months ago)	2.3.10 2022-07-13 (4 years and 3 months ago)	-
2.1	Jun 03, 2021 (5 years and 4 months ago)	Dec 22, 2021 (4 years and 10 months ago)	2.1.14 2021-11-30 (4 years and 10 months ago)	-
2.0	Oct 24, 2020 (6 years ago)	Jun 03, 2021 (5 years and 4 months ago)	2.0.14 2021-05-21 (5 years and 5 months ago)	-
1	Apr 05, 2016 (10 years and 6 months ago)	May 30, 2026 (4 months ago)	1.10.28 2026-05-13 (5 months ago)	-

Composer End of Life & Support Summary

Which Composer Versions Are Currently Supported?

Composer currently has 1 supported release. Composer 2.10.3 is the latest. Note that Composer 2.2 (LTS) support ends on Dec 31, 2026 — plan your upgrade before then. Also see Icinga Web end of service life for related end-of-life information.

Composer Versions Nearing End of Life

1 Composer release is reaching End of Life (EOL) within 6 months. Composer 2.2 (LTS) support ends on Dec 31, 2026. Upgrade to Composer 2.10.3 to stay on a supported release. Also see Drupal end of life dates for related end-of-life information.

Composer End of Life (EOL) Version History

10 Composer releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Composer 2.9 reached EOL on May 28, 2026. Composer 2.10.3 is the recommended upgrade for users still on End of Life versions.