Svelte End of Life Dates
Release, end of support and end of life dates for every tracked Svelte version, with current status.
All products · Vendor release notes · Source entry
Status as of 2026-09-23 (UTC): 5 versions tracked; 1 supported, 0 security fixes only, 0 ending within 90 days, 4 end of life.
| Version | Status | Released | Active support ends | Security support ends | Latest |
|---|---|---|---|---|---|
| 5 | Supported | 2024-10-19 | Not announced | Not announced | 5.57.1 |
| 4 | End of life | 2023-06-22 | 2024-10-19 | 2024-10-19 | 4.2.20 |
| 3 | End of life | 2019-04-21 | 2023-06-22 | 2023-06-22 | 3.59.2 |
| 2 | End of life | 2018-04-19 | 2019-04-21 | 2019-04-21 | 2.16.1 |
| 1 | End of life | 2016-11-29 | 2018-04-19 | 2018-04-19 | 1.64.1 |
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.