Deno 2.4 has reintroduced the deno bundle command, allowing single-file JavaScript or TypeScript bundles compatible with server and browser environments. New features include support for npm dependencies, automatic tree-shaking, and minification via esbuild. Developers can now import text and binary files directly into modules. The update also includes stable OpenTelemetry support for observability, a --preload flag for runtime modifications, and easing dependency management with deno update. Other changes include compatibility improvements and expanded local npm package support.
Deno 2.4 reintroduces the deno bundle command, enabling single-file JavaScript or TypeScript bundles for both server and browser with support for npm and JSR dependencies.
Deno 2.4 introduces stable OpenTelemetry support for structured observability, a new --preload flag for modifying the runtime environment, and simplified dependency management with deno update.
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