Deno v1.12.0 — Release Notes & Engineering Impact

### 1.12.0 / 2021.07.13 - feat: Add `MessageChannel` and `MessagePort` APIs (#11051) - feat: Deno namespace configurable and unfrozen (#11062) - feat: Enable WebAssembly.instantiateStreaming and WebAssembly.compileStreaming (#11200) - feat: Support "types" option when type checking (#10999) - feat: Support SharedArrayBuffer sharing between workers (#11040) - feat: Transfer MessagePort between workers (#11076) - feat(extensions/crypto): Implement generateKey() and sign() (#9614) - feat(extensions/crypto): Implement verify() for RSA (#11312) - feat(extensions/fetch): Add programmatic proxy (#10907) - feat(extensions/http): Server side websocket support (#10359) - feat(inspector): Improve inspector prompt in Chrome Devtools (#11187) - feat(inspector): Pipe console messages between terminal and inspector (#11134) - feat(lsp): Dependency hover information (#11090) - feat(repl): Show list completion (#11001) - feat(repl): Support autocomplete on declarations containing a primitive (#11325) - feat(repl): Support import declarations in the REPL (#11086) - feat(repl): Type stripping in the REPL (#10934) - feat(test): Add "--shuffle" flag to randomize test ordering (#11163) - feat(test): Add support for "--fail-fast=N" (#11316) - fix: Align DedicatedWorkerGlobalScope event handlers to spec (#11353) - fix: Move stable/unstable types/APIs to their correct places (#10880) - fix(core): Fix concurrent loading of dynamic imports (#11089) - fix(extensions/console): Eliminate panic inspecting event classes (#10979) - fix(extensions/console): Inspecting prototypes of built-ins with custom inspect implementations should not throw (#11308) - fix(extensions/console): Left align table entries (#11295) - fix(extensions/crypto): Hash input for RSASSA-PKCS1-v1_5 before signing (#11314) - fix(extensions/fetch): Consumed body with a non-stream source should result in a disturbed stream (#11217) - fix(extensions/fetch): Encode and decode headers as byte strings (#11070) - fix(extensions/fetch): Filter out custom HOST headers (#11020) - fix(extensions/fetch): OPTIONS should be allowed a non-null body (#11242) - fix(extensions/fetch): Proxy body for requests created from other requests (#11093) - fix(extensions/http): Encode and decode headers as byte strings in the HTTP server (#11144) - fix(extensions/http): Panic in request body streaming (#11191) - fix(extensions/http): Specify AbortSignal for native http requests (#11126) - fix(extensions/timers): Spec conformance for performance API (#10887) - fix(extensions/url): Use USVStrings in URLSearchParams constructor (#11101) - fix(extensions/web): AddEventListenerOptions.signal shouldn't be nullable (#11348) - fix(extensions/webgpu): Align error scopes to spec (#9797) - fix(lsp): Handle invalid config setting better (#11104) - fix(lsp): Reload import registries should not error when the module registries directory does not exist (#11123) - fix(repl): Panic when Deno.inspect throws (#11292) - fix(runtime): Fix signal promise API (#11069) - fix(runtime): Ignored tests should not cause permission changes (#11278) Release notes for std version 0.101.0: https://github.com/denoland/deno_std/releases/tag/0.101.0