April 2026 brings several improvements to Svelte and SvelteKit. Highlights include Svelte MCP integration with OpenCode via the sv CLI, support for functions in svelte.config.js for css/runes/customElement options, new exported types from svelte/motion (TweenOptions, SpringOptions, etc.), server-side error boundary support in SvelteKit, and improved type narrowing for page/layout params with matchers. The community showcase features a range of apps, learning resources, and new libraries built with Svelte.
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