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

Latest Release: 1.35.1 (September 24, 2026)

7 Backdrop versions have reached End of Life (EOL) and End of Support (EOS), including Backdrop 1.33 (EOL date: Sep 15, 2026) — no longer receiving security updates or patches. Backdrop 1.35.1 is the current supported release — 2 versions in active support. Also see Laravel end of life dates for related end-of-life information.

Backdrop end of life dates timeline — release schedule chart of the 8 most recent Backdrop versions, mapping security support windows against their EOL dates — Backdrop end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 8 most recent Backdrop releases of 9 total. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact Backdrop EOL, EOS and EOSL dates for every version are listed in the tables below.

Currently Supported Backdrop Releases - Active EOS/EOSL Support (2)

Release	Released	Security Support	Latest
1.35	Sep 15, 2026 (3 weeks ago)	Active	1.35.1 2026-09-24 (1 week and 5 days ago)
1.34	May 16, 2026 (4 months ago)	Active	1.34.5 2026-09-24 (1 week and 5 days ago)

Backdrop End of Life (EOL) Releases - No Longer Supported (7)

Release	Released	Security Support	Latest
1.33	Jan 16, 2026 (8 months ago)	Sep 15, 2026 (3 weeks ago)	1.33.3 2026-05-16 (4 months ago)
1.32	Sep 16, 2025 (1 year ago)	May 16, 2026 (4 months ago)	1.32.3 2026-04-23 (5 months ago)
1.31	May 15, 2025 (1 year and 4 months ago)	Jan 16, 2026 (8 months ago)	1.31.2 2025-10-07 (11 months ago)
1.30	Jan 15, 2025 (1 year and 8 months ago)	Sep 16, 2025 (1 year ago)	1.30.3 2025-05-15 (1 year and 4 months ago)
1.29	Sep 15, 2024 (2 years ago)	May 15, 2025 (1 year and 4 months ago)	1.29.5 2025-03-20 (1 year and 6 months ago)

1.28	May 15, 2024 (2 years and 4 months ago)	Jan 15, 2025 (1 year and 8 months ago)	1.28.5 2025-01-08 (1 year and 8 months ago)
1.27	Jan 15, 2024 (2 years and 8 months ago)	Sep 15, 2024 (2 years ago)	1.27.3 2024-07-03 (2 years and 3 months ago)

Backdrop End of Life & Support Summary

Which Backdrop Versions Are Currently Supported?

Backdrop currently has 2 supported releases. Backdrop 1.35.1 is the latest. Backdrop 1.34. Also see API Platform EOSL dates for related end-of-life information.

Backdrop End of Life (EOL) Version History

7 Backdrop releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Backdrop 1.33 reached EOL on Sep 15, 2026. Backdrop 1.35.1 is the recommended upgrade for users still on End of Life versions. Also see Robo end of life for related end-of-life information.