v4.20.2 v1.5.2

Name: svelte
Author: sveltejs

sveltejs/svelteAug 9, 2026 → Aug 9, 20260 days between releases

Generating AI comparison

Analyzing what changed between v4.20.2 and v1.5.2. This page updates automatically — usually within a minute.

The Two Releases

v4.20.2

Aug 9, 2026· 2 months ago

This release introduces significant replication improvements by default using effects, enhances query handling capabilities, and fixes issues related to constraint replication and replica divergence.

Full release notes

v1.5.2

Aug 9, 2026· 2 months ago

This release focuses on fixing stability issues in the runner, agents, and session handling.

Full release notes