Deno v1.39.0 — Release Notes & Engineering Impact

### 1.39.0 / 2023.12.13 - Reland "fix(ext/console): fix inspecting iterators error. (#20720)" (#21370) - Update doc for deno fmt `--no-semicolons` arg. (#21414) - feat(compile): support "bring your own node_modules" in deno compile (#21377) - feat(compile): support discovering modules for more dynamic arguments (#21381) - feat(coverage): add html reporter (#21495) - feat(coverage): add summary reporter (#21535) - feat(cron): added the support for json type schedule to cron api (#21340) - feat(ext/fetch): allow `Deno.HttpClient` to be declared with `using` (#21453) - feat(ext/kv) add backoffSchedule to enqueue (#21474) - feat(ext/web): add ImageData Web API (#21183) - feat(fmt): support formatting code blocks in Jupyter notebooks (#21310) - feat(lsp): debug log file (#21500) - feat(lsp): provide quick fixes for specifiers that could be resolved sloppily (#21506) - feat(streams): ReadableStream.read min option (#20849) - feat(test): add default to --coverage option (#21510) - feat(unstable): --unstable-unsafe-proto (#21313) - feat(unstable): ability to resolve specifiers with no extension, specifiers for a directory, and TS files from JS extensions (#21464) - feat(unstable): append commit versionstamp to key (#21556) - feat: TypeScript 5.3 (#21480) - feat: add suggestions to module not found error messages for file urls (#21498) - feat: bring back WebGPU (#20812) - feat: stabilize Deno.HttpServer.shutdown and Unix socket support (#21463) - fix (doc): Typo in `runtime/README.md` (#20020) - fix(cli/installer): percent decode name (#21392) - fix(compile/npm): ignore symlinks to non-existent paths in node_modules directory (#21479) - fix(coverage): escape source code in html coverage report (#21531) - fix(coverage): rename --pretty to --detailed (#21543) - fix(cron): move deprecated Deno.cron overload (#21407) - fix(doc): ambient namespaces should have members as exports (#21483) - fix(dts): `Deno.ChildProcess` actually implements `AsyncDisposable` (#21326) - fix(ext/kv): throw error if already closed (#21459) - fix(ext/node): ServerResponse getHeader() return undefined (#21525) - fix(ext/node): add stubbed process.report (#21373) - fix(ext/node): add util.parseArgs (#21342) - fix(ext/node): allow null value for req.setHeader (#21391) - fix(ext/node): basic vm.runInNewContext implementation (#21527) - fix(ext/node): fix Buffer.copy when sourceStart > source.length (#21345) - fix(ext/node): fix duplexify compatibility (#21346) - fix(ext/node): fix os.freemem (#21347) - fix(ext/node): include non-enumerable keys in `Reflect.ownKeys(globalThis)` (#21485) - fix(ext/node): sign with PEM private keys (#21287) - fix(ext/node): stub ServerResponse#flushHeaders (#21526) - fix(ext/node): use primordials in ext/node/polyfills/_util (#21444) - fix(ext/websocket): don't panic on bad resource id (#21431) - fix(fmt): `"singleQuote": true` should prefer single quote—not always use one (#21470) - fix(fmt): remove trailing comma for single type param in default export in jsx (#21425) - fix(fmt/jupyter): handle "source" property that's a string (#21361) - fix(lsp): handle byonm specifiers in jupyter notebooks (#21332) - fix(node): setting process.exitCode should change exit code of process (#21429) - fix(node/tls): fix NotValidForName for host set via socket / servername (#21441) - fix(npm): do not create symlink for non-system optional dep in node_modules directory (#21478) - fix(perm): allow-net with port 80 (#21221) - fix(permissions): fix panics when revoking net permission (#21388) - fix(runtime): Make native modal keyboard interaction consistent with browsers (#18453) - fix(task): handle node_modules/.bin directory with byonm (#21386) - fix(task): use exit code 127 for command not found and parse escaped parens (#21316) - fix(unstable): Honor granular unstable flags in js runtime (#21466) - fix(websockets): server socket field initialization (#21433) - fix(zlib): handle no flush flag in handle_.write (#21432) - fix: add more warnings when using sloppy imports (#21503) - fix: allow reserved word 'mod' in exports (#21537) - fix: batch upload authentication (#21397) - fix: correct flag in tar & upload (#21327) - fix: correct the batch upload length (#21401) - fix: display unstable flags at bottom of help text (#21468) - fix: don't error if a version already published (#21455) - fix: error code used for duplicate version publish (#21457) - fix: extraneous slash in tar & upload (#21349) - fix: ignore more paths in dynamic arg module search (#21539) - fix: implement child_process IPC (#21490) - fix: use correct import map in tar & upload (#21380) - perf(ext/ffi): switch from middleware to tasks (#21239) - perf(ext/napi): port NAPI to v8 tasks (#21406) - perf(ext/url): improve URLPattern perf (#21488) - perf(ext/web): Avoid changing prototype by setting hostObjectBrand directly (#21358) - perf(lsp): collect counts and durations of all requests (#21540) - perf(lsp): instrument all ops with performance marks (#21536) - perf(lsp): simplify some of the startup code (#21538) - perf(lsp): use null types instead of stub modules (#21541) - perf(node/fs): faster `existsSync` when not exists (#21458) - perf: move "cli/js/40_testing.js" out of main snapshot (#21212)