Wasm, PGlite, OPFS, and other new tech bring robust data storage to the browser, Electrobun brings Bun to desktop apps, Signals bring sanity to state management, and more in this month’s JavaScript Report.

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A roundup of notable JavaScript developments covering local-first browser data storage powered by WebAssembly, PGlite, and OPFS; the rise of Signals as a fine-grained alternative to Virtual DOM state management; Electrobun as a Bun-based alternative to Electron for desktop apps; TypeScript 6.0 GA as a bridge to the upcoming Go-based TypeScript 7.0; Vite 8.0 switching to Rolldown for unified builds; and Next.js 16.2 introducing AI agent-specific tooling.

Local-first browser data gets real