Deno 1.40 introduces the Temporal API, TC39 decorators, and a range of deprecations and stabilizations, along with improvements in Node.js compatibility, LSP, diagnostics, and handling of unstable features, paving the way for a seamless upgrade to Deno 2.

Deno's official blog provides updates, tutorials, and use cases for Deno, a secure JavaScript/TypeScript runtime. Developers can explore Deno's features, security model, and ecosystem integrations, gaining insights into modern JavaScript development practices. With contributions from Deno core contributors and community members, the blog offers resources for developers adopting Deno for their projects.

Deno

The release of Deno 1.40 introduces the Temporal API for advanced date and time operations, the import.meta.filename and import.meta.dirname properties, decorators, and other improvements. It also includes deprecations, stabilizations, and removals, web API enhancements, Node.js API updates, LSP improvements, better-looking diagnostics, and changes to how unstable features are handled.

Deno 1.40: Temporal API

import.meta.filename and import.meta.dirname

Deprecations, stabilizations, and removals

WebGPU windowing / “Bring your own Window”

Changes to how we handle unstable features