- Deprecate using URL as the first argument in fetch extension types
- Enforce unstable checks on FFI operations
- Prevent Deno.run from mutating the user‑provided cmd array
v1.20.3
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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.