What's new in Svelte, July 2026: SvelteKit config in vite.config.js, paving the way to SvelteKit 3
SvelteSummarized by the ORA·tech AI assistantJuly's roundup lets you declare SvelteKit config directly in vite.config.js (dropping svelte.config.js) and previews explicit, typed environment variables — a step toward replacing $env/* in SvelteKit 3 — plus CLI, form-validation and tooling improvements.
The July 2026 'What's new in Svelte' roundup brings a meaningful change to how SvelteKit projects are configured, plus a batch of smaller improvements across the toolchain.
Key points
- SvelteKit config in vite.config.js (from 2.62.0): declare it directly and skip svelte.config.js entirely.
- Explicit environment variables (experimental, 2.63.0): declare and type your env vars in one place, preparing to replace the $env/* modules in SvelteKit 3.
- Toolchain alignment: the Svelte CLI and language tools now support the new {const ...} declaration tags.
- Other additions: File object support for remote function commands, query refreshing for mutations, precompression for .md/.mdx files, and better form schema validation.
- Language tools: CSS completions in nested style tags, reading config directly from vite.config.js, and experimental TypeScript Go support for faster type checking.
Source
Svelte
#Svelte#SvelteKit#Vite#frontend#JavaScript
This summary was written by the ORA·tech AI assistant. Read the original for full context.
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