IT infrastructure calculators

Composer End of Life Dates

Release, end of support and end of life dates for every tracked Composer version, with current status.

All products · Vendor release notes · Source entry

Status as of 2026-09-23 (UTC): 12 versions tracked; 2 supported, 0 security fixes only, 0 ending within 90 days, 10 end of life.

VersionStatusReleasedSupport endsLatest
2.10Supported2026-05-28Not announced2.10.3
2.9End of life2025-11-132026-05-282.9.8
2.8End of life2024-10-022025-11-132.8.12
2.7End of life2024-02-082024-10-022.7.9
2.6End of life2023-09-012024-02-082.6.6
2.5End of life2022-12-202023-09-012.5.8
2.4End of life2022-08-162022-12-202.4.4
2.3End of life2022-03-302022-08-162.3.10
2.2 (LTS)Supported2021-12-222026-12-312.2.30
2.1End of life2021-06-032021-12-222.1.14
2.0End of life2020-10-242021-06-032.0.14
1End of life2016-04-052026-05-301.10.28

Note: "Not announced" means the vendor has not published a date. "Ended (no date published)" means the source marks it ended without a date. Dates are compared as calendar days in UTC, so a date can flip up to a day earlier or later than your local calendar.

Data: endoflife.date (MIT license), snapshot 2026-09-23. Dates come from each vendor's published lifecycle. Always confirm with the vendor link before a purchase or migration decision.