- Breaking change: default permission inheritance is now disabled, requiring explicit permission grants.
- Added many new features including data URL support, TypeScript 4.6.2 upgrade, CJS/ESM interoperability, event loop middlewares, codegen ops, AbortSignal.timeout(), Deno.upgradeHttp API, new "deno bench" and "deno task" subcommands, Deno....
- Bug fixes across compatibility, core, crypto, http, info, test, and shell completion together with performance improvements for TextDecoder, Blob handling, and overall extension builds.
v1.20.1
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Added an unscoped flag for package aliasing, a members‑only flag for workspace tasks, Blob/Body.textStream() API, and an experimental QuickJS backend.
Added HMR support for React Router on desktop, new length/byteLength parameters for Buffer searches, raw ChaCha20 cipher support, and upgraded V8 to 150.2.0.