# Svelte Virtual List vs svelte-virtual svelte-virtual renders fixed-size lists and grids. Svelte Virtual List measures rows automatically and supports Svelte 5 in its stable release. ## Overview svelte-virtual provides List and Grid components that render only the visible rows, from an itemCount and a fixed itemSize. Its stable 0.6 release (February 2024) supports Svelte 3 and 4; Svelte 5 support is in the 1.0.0-next prerelease, last published in November 2024. @humanspeak/svelte-virtual-list is a stable Svelte 5 component that measures each row as it renders, loads more data near the end of the list, and scrolls to any index or offset. - **Svelte Virtual List site:** https://virtuallist.svelte.page - **Svelte Virtual List npm:** https://www.npmjs.com/package/%40humanspeak%2Fsvelte-virtual-list - **Svelte Virtual List slug:** svelte-virtual-list - **Category:** Svelte List and Grid Virtualizer - **Approach:** Fixed-size List and Grid components driven by itemCount - **Website:** https://www.npmjs.com/package/svelte-virtual - **GitHub:** https://github.com/ghostebony/svelte-virtual - **npm:** https://www.npmjs.com/package/svelte-virtual ## Feature comparison | Feature | @humanspeak/svelte-virtual-list | svelte-virtual | Notes | | --- | --- | --- | --- | | Svelte 5 support | Stable release | Prerelease (1.0.0-next) | | | Dynamic measured heights | Yes | Fixed itemSize | | | Grid virtualization | No | Yes | | | Horizontal lists | LTR, runtime switchable | Yes | | | Sticky rows | No | Yes | | | Infinite scroll helpers | Yes | User-land pattern | | | Programmatic scroll to index | Yes | Yes | | | Runtime dependencies | 0 | 0 | | ## Svelte Virtual List strengths - Svelte 5-native component API with snippets and TypeScript generics - Dynamic height measurement without requiring a size map up front - Built-in infinite loading hooks for feed and pagination workflows - Imperative scroll method with index and alignment control - Vertical and horizontal layouts, including reactive orientation switching - SSR-friendly package for SvelteKit apps - Zero runtime dependencies and MIT licensed - Rows of different heights need no size data up front - Svelte 5 support in a stable, maintained release ## svelte-virtual strengths - List and Grid components in one package - Sticky indices for pinned rows - Simple itemCount and itemSize API for uniform rows - Scroll-to-index and scroll-to-position methods ## Svelte Virtual List limitations - Focused on one-dimensional lists, not grids or masonry layouts - Horizontal mode is LTR-only in the current release - Requires Svelte 5 - Newer package with a smaller ecosystem than older virtualizer projects ## svelte-virtual limitations - Svelte 5 support is only in a prerelease, last published November 2024 - Every row shares one fixed size; there is no automatic height measurement - Infinite loading is wired in application code ## Verdict Choose svelte-virtual when every row has the same fixed size, or when you need a virtual grid or sticky rows. Choose @humanspeak/svelte-virtual-list for Svelte 5 lists whose rows vary in height, with infinite loading and scroll methods in a stable release. ## Keywords svelte-virtual alternative, svelte-virtual npm, svelte-virtual vs svelte virtual list