v3.3.4 v4.20.4

Name: svelte
Author: sveltejs

sveltejs/svelteAug 22, 2026 → Aug 20, 20260 days between releases

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Analyzing what changed between v3.3.4 and v4.20.4. This page updates automatically — usually within a minute.

The Two Releases

v3.3.4

Aug 22, 2026· 2 months ago

This release focuses on renewing the user experience and UI designs, introducing a modern App Store, and improving backend services like Forward Auth, SSO, TLS handling, and ACME certificate management. It also includes Docker hardening and various bug fixes.

Full release notes

v4.20.4

Aug 20, 2026· 2 months ago

This release addresses a critical crash in replica nodes caused by diverging effects, improves the speed of loading persisted graphs, and exposes new public APIs for external modules to handle graph serialization.

Full release notes