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

Latest Release: 5.56.8 (July 24, 2026)

4 Svelte versions have reached End of Life (EOL) and End of Support (EOS), including Svelte 4 (EOL date: Oct 19, 2024) — no longer receiving security updates or patches. Svelte 5.56.8 is the current supported release. Also see Bun end of support dates for related end-of-life information.

Svelte end of life dates timeline — release schedule chart of the 5 most recent Svelte versions, mapping active support and security support windows against their EOL dates — Svelte end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 5 most recent Svelte releases. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact Svelte EOL, EOS and EOSL dates for every version are listed in the tables below.

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

Release	Released	Security Support	Active Support	Latest
5	Oct 19, 2024 (1 year and 9 months ago)	Active	Active	5.56.8 2026-07-24 (4 days ago)

Svelte End of Life (EOL) Releases - No Longer Supported (4)

Release	Released	Security Support	Active Support	Latest
4	Jun 22, 2023 (3 years and 1 month ago)	Oct 19, 2024 (1 year and 9 months ago)	Oct 19, 2024 (1 year and 9 months ago)	4.2.20 2025-05-20 (1 year and 2 months ago)
3	Apr 21, 2019 (7 years and 3 months ago)	Jun 22, 2023 (3 years and 1 month ago)	Jun 22, 2023 (3 years and 1 month ago)	3.59.2 2023-06-20 (3 years and 1 month ago)
2	Apr 19, 2018 (8 years and 3 months ago)	Apr 21, 2019 (7 years and 3 months ago)	Apr 21, 2019 (7 years and 3 months ago)	2.16.1 2019-02-08 (7 years and 5 months ago)
1	Nov 29, 2016 (9 years and 7 months ago)	Apr 19, 2018 (8 years and 3 months ago)	Apr 19, 2018 (8 years and 3 months ago)	1.64.1 2018-04-18 (8 years and 3 months ago)

Svelte End of Life & Support Summary

Which Svelte Versions Are Currently Supported?

Svelte currently has 1 supported release. Svelte 5.56.8 is the latest. Also see jQuery EOSL dates for related end-of-life information.

Svelte End of Life (EOL) Version History

4 Svelte releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Svelte 4 reached EOL on Oct 19, 2024. Svelte 5.56.8 is the recommended upgrade for users still on End of Life versions.