Svelte 5.20.1 represents a minor patch release over version 5.20.0, focusing primarily on internal improvements and bug fixes, although specific details of these fixes aren't explicitly outlined in the package data. Both versions maintain identical core dependencies crucial for Svelte's functionality, including tools for parsing (acorn, acorn-typescript), managing CSS classes (clsx), handling sourcemaps (@jridgewell/sourcemap-codec, @ampproject/remapping), and ensuring accessibility (aria-query, axobject-query). The developer tooling also remains consistent; both versions rely on the same versions of Rollup, esbuild, and TypeScript for building and testing Svelte applications, showcasing stability in the development pipeline.
The key differentiating factor lies in the "dist" section. While both versions share the same file count (379), Svelte 5.20.1 exhibits a slightly larger unpacked size (2493017 bytes) compared to 5.20.0 (2491863 bytes), suggesting minor code alterations or additions. Furthermore, the releaseDate field indicates that version 5.20.1 was published on February 14, 2025, approximately two days after 5.20.0 (February 12, 2025). For developers, upgrading from 5.20.0 to 5.20.1 should be a straightforward process. Given the unchanged dependency structure, the goal is to resolve hidden bugs and improve internal management.
The are not vulnerabilities for the version 5.20.1 of the package svelte