Svelte end-of-life: support & EOL dates for every release
Svelte · Web / Framework · 0 supported · 4 end-of-life · updated June 2026 · what is end-of-life? →
Every tracked Svelte release line in our data has reached end-of-life — they no longer receive security updates. Check with the vendor for any newer release line.
Svelte support timeline
Each release line and the date it reaches end-of-life — newest first.
| Release | Latest version | End-of-life | Status |
|---|---|---|---|
| Svelte 4 | 4.2.20 | 19 Oct 2024 | End of life |
| Svelte 3 | 3.59.2 | 22 Jun 2023 | End of life |
| Svelte 2 | 2.16.1 | 21 Apr 2019 | End of life |
| Svelte 1 | 1.64.1 | 19 Apr 2018 | End of life |
Which Svelte version should I run?
The safest choice is the latest supported release, 5.56.3. If you're on an end-of-life line, plan an upgrade to a supported one before security updates stop. See Svelte's full security status →
Get warned before Svelte reaches end-of-life
End-of-life dates are easy to miss until it's too late. Monitor Svelte on IsItPatched and we'll email you before the release line you run stops getting security updates — free, no account needed to start.
Svelte end-of-life — frequently asked
What Svelte versions are still supported?
Every tracked Svelte release line in our data has reached end-of-life. Check the vendor for any newer line.
Is Svelte end-of-life?
All tracked Svelte release lines have reached end-of-life in our data.
How do I know when my Svelte version reaches end of life?
Check the version you run on its product page, or monitor Svelte on IsItPatched to get an email alert before the release line you use reaches end-of-life — so you can upgrade in time.
EOL dates aggregated from endoflife.date and vendor sources, and can change — always confirm with Svelte. See related: Svelte security status · full EOL calendar · what is end-of-life software? · disclaimer.