v2.0.0

2.0.0 / 2024.10.09

Read announcement blog post at: https://deno.com/blog/v2

• BREAKING: DENO_FUTURE=1 by default, or welcome to Deno 2.0 (denoland#25213)
• BREAKING: disallow new Deno.FsFile() (denoland#25478)
• BREAKING: drop support for Deno.run.{clearEnv,gid,uid} (denoland#25371)
• BREAKING: improve types for Deno.serve (denoland#25369)
• BREAKING: improved error code accuracy (denoland#25383)
• BREAKING: make supported compilerOptions an allow list (denoland#25432)
• BREAKING: move width and height options to UnsafeWindowSurface
  constructor (denoland#24200)
• BREAKING: remove --allow-hrtime (denoland#25367)
• BREAKING: remove "emit" and "map" from deno info output (denoland#25468)
• BREAKING: remove --allow-none flag (denoland#25337)
• BREAKING: remove --jobs flag (denoland#25336)
• BREAKING: remove --trace-ops (denoland#25344)
• BREAKING: remove --ts flag (denoland#25338)
• BREAKING: remove --unstable flag (denoland#25522)
• BREAKING: remove deno bundle (denoland#25339)
• BREAKING: remove deno vendor (denoland#25343)
• BREAKING: remove Deno.[Tls]Listener.prototype.rid (denoland#25556)
• BREAKING: remove Deno.{Conn,TlsConn,TcpConn,UnixConn}.prototype.rid (denoland#25446)
• BREAKING: remove Deno.{Reader,Writer}[Sync] and Deno.Closer (denoland#25524)
• BREAKING: remove Deno.Buffer (denoland#25441)
• BREAKING: remove Deno.close() (denoland#25347)
• BREAKING: remove Deno.ConnectTlsOptions.{certChain,certFile,privateKey} and
  Deno.ListenTlsOptions.certChain,certFile,keyFile} (denoland#25525)
• BREAKING: remove Deno.copy() (denoland#25345)
• BREAKING: remove Deno.customInspect (denoland#25348)
• BREAKING: remove Deno.fdatasync[Sync]() (denoland#25520)
• BREAKING: remove Deno.File (denoland#25447)
• BREAKING: remove Deno.flock[Sync]() (denoland#25350)
• BREAKING: remove Deno.FsFile.prototype.rid (denoland#25499)
• BREAKING: remove Deno.fstat[Sync]() (denoland#25351)
• BREAKING: remove Deno.FsWatcher.prototype.rid (denoland#25444)
• BREAKING: remove Deno.fsync[Sync]() (denoland#25448)
• BREAKING: remove Deno.ftruncate[Sync]() (denoland#25412)
• BREAKING: remove Deno.funlock[Sync]() (denoland#25442)
• BREAKING: remove Deno.futime[Sync]() (denoland#25252)
• BREAKING: remove Deno.iter[Sync]() (denoland#25346)
• BREAKING: remove Deno.read[Sync]() (denoland#25409)
• BREAKING: remove Deno.readAll[Sync]() (denoland#25386)
• BREAKING: remove Deno.seek[Sync]() (denoland#25449)
• BREAKING: remove Deno.Seeker[Sync] (denoland#25551)
• BREAKING: remove Deno.shutdown() (denoland#25253)
• BREAKING: remove Deno.write[Sync]() (denoland#25408)
• BREAKING: remove Deno.writeAll[Sync]() (denoland#25407)
• BREAKING: remove deprecated UnsafeFnPointer constructor type with untyped
  Deno.PointerObject parameter (denoland#25577)
• BREAKING: remove deprecated files config (denoland#25535)
• BREAKING: Remove obsoleted Temporal APIs part 2 (denoland#25505)
• BREAKING: remove remaining web types for compatibility (denoland#25334)
• BREAKING: remove support for remote import maps in deno.json (denoland#25836)
• BREAKING: rename "deps" remote cache folder to "remote" (denoland#25969)
• BREAKING: soft-remove Deno.isatty() (denoland#25410)
• BREAKING: soft-remove Deno.run() (denoland#25403)
• BREAKING: soft-remove Deno.serveHttp() (denoland#25451)
• BREAKING: undeprecate Deno.FsWatcher.prototype.return() (denoland#25623)
• feat: add --allow-import flag (denoland#25469)
• feat: Add a hint on error about 'Relative import path ... not prefixed with
  ...' (denoland#25430)
• feat: Add better error messages for unstable APIs (denoland#25519)
• feat: Add suggestion for packages using Node-API addons (denoland#25975)
• feat: Allow importing .cjs files (denoland#25426)
• feat: default to TS for file extension and support ext flag in more scenarios
  (denoland#25472)
• feat: deprecate import assertions (denoland#25281)
• feat: Don't warn about --allow-script when using esbuild (denoland#25894)
• feat: hide several --unstable-* flags (denoland#25378)
• feat: improve lockfile v4 to store normalized version constraints and be more
  terse (denoland#25247)
• feat: improve warnings for deprecations and lifecycle script for npm packages
  (denoland#25694)
• feat: include version number in all --json based outputs (denoland#25335)
• feat: lockfile v4 by default (denoland#25165)
• feat: make 'globalThis.location' a configurable property (denoland#25812)
• feat: print Listening on messages on stderr instead of stdout (denoland#25491)
• feat: remove --lock-write flag (denoland#25214)
• feat: require jsr prefix for deno install and deno add (denoland#25698)
• feat: require(esm) (denoland#25501)
• feat: Show hints when using window global (denoland#25805)
• feat: stabilize Deno.createHttpClient() (denoland#25569)
• feat: suggest deno install --entrypoint instead of deno cache (denoland#25228)
• feat: support DENO_LOG env var instead of RUST_LOG (denoland#25356)
• feat: TypeScript 5.6 and npm:@types/node@22 (denoland#25614)
• feat: Update no-window lint rule (denoland#25486)
• feat: update warning message for --allow-run with no list (denoland#25693)
• feat: warn when using --allow-run with no allow list (denoland#25215)
• feat(add): Add npm packages to package.json if present (denoland#25477)
• feat(add): strip package subpath when adding a package (denoland#25419)
• feat(add/install): Flag to add dev dependency to package.json (denoland#25495)
• feat(byonm): support deno run npm:<package> when package is not in
  package.json (denoland#25981)
• feat(check): turn on noImplicitOverride (denoland#25695)
• feat(check): turn on useUnknownInCatchVariables (denoland#25465)
• feat(cli): evaluate code snippets in JSDoc and markdown (denoland#25220)
• feat(cli): give access to process global everywhere (denoland#25291)
• feat(cli): use NotCapable error for permission errors (denoland#25431)
• feat(config): Node modules option for 2.0 (denoland#25299)
• feat(ext/crypto): import and export p521 keys (denoland#25789)
• feat(ext/crypto): X448 support (denoland#26043)
• feat(ext/kv): configurable limit params (denoland#25174)
• feat(ext/node): add abort helpers, process & streams fix (denoland#25262)
• feat(ext/node): add rootCertificates to node:tls (denoland#25707)
• feat(ext/node): buffer.transcode() (denoland#25972)
• feat(ext/node): export 'promises' symbol from 'node:timers' (denoland#25589)
• feat(ext/node): export missing constants from 'zlib' module (denoland#25584)
• feat(ext/node): export missing symbols from domain, puncode, repl, tls
  (denoland#25585)
• feat(ext/node): export more symbols from streams and timers/promises (denoland#25582)
• feat(ext/node): expose ES modules for _ modules (denoland#25588)
• feat(flags): allow double commas to escape values in path based flags (denoland#25453)
• feat(flags): support user provided args in repl subcommand (denoland#25605)
• feat(fmt): better error on malfored HTML files (denoland#25853)
• feat(fmt): stabilize CSS, HTML and YAML formatters (denoland#25753)
• feat(fmt): support vto and njk extensions (denoland#25831)
• feat(fmt): upgrade markup_fmt (denoland#25768)
• feat(install): deno install with entrypoint (denoland#25411)
• feat(install): warn repeatedly about not-run lifecycle scripts on explicit
  installs (denoland#25878)
• feat(lint): add no-process-global lint rule (denoland#25709)
• feat(lsp): add a message when someone runs 'deno lsp' manually (denoland#26051)
• feat(lsp): auto-import types with 'import type' (denoland#25662)
• feat(lsp): html/css/yaml file formatting (denoland#25353)
• feat(lsp): quick fix for @deno-types="npm:@types/*" (denoland#25954)
• feat(lsp): turn on useUnknownInCatchVariables (denoland#25474)
• feat(lsp): unstable setting as list (denoland#25552)
• feat(permissions): Deno.mainModule doesn't require permissions (denoland#25667)
• feat(permissions): allow importing from cdn.jsdelivr.net by default (denoland#26013)
• feat(serve): Support second parameter in deno serve (denoland#25606)
• feat(tools/doc): display subitems in symbol overviews where applicable
  (denoland#25885)
• feat(uninstall): alias to 'deno remove' if -g flag missing (denoland#25461)
• feat(upgrade): better error message on failure (denoland#25503)
• feat(upgrade): print info links for Deno 2 RC releases (denoland#25225)
• feat(upgrade): support LTS release channel (denoland#25123)
• fix: add link to env var docs (denoland#25557)
• fix: add suggestion how to fix importing CJS module (denoland#21764)
• fix: add test ensuring als works across dynamic import (denoland#25593)
• fix: better error for Deno.UnsafeWindowSurface, correct HttpClient name,
  cleanup unused code (denoland#25833)
• fix: cjs resolution cases (denoland#25739)
• fix: consistent with deno_config and treat "experimentalDecorators" as
  deprecated (denoland#25735)
• fix: delete old Deno 1.x headers file when loading cache (denoland#25283)
• fix: do not panic running invalid file specifier (denoland#25530)
• fix: don't include extensionless files in file collection for lint & fmt by
  default (denoland#25721)
• fix: don't prompt when using Deno.permissions.request with --no-prompt
  (denoland#25811)
• fix: eagerly error for specifier with empty version constraint (denoland#25944)
• fix: enable Win32_Security feature in windows-sys (denoland#26007)
• fix: error on unsupported compiler options (denoland#25714)
• fix: error out if a valid flag is passed before a subcommand (denoland#25830)
• fix: fix jupyter display function type (denoland#25326)
• fix: Float16Array type (denoland#25506)
• fix: handle showing warnings while the progress bar is shown (denoland#25187)
• fix: Hide 'deno cache' from help output (denoland#25960)
• fix: invalid ipv6 hostname on deno serve (denoland#25482)
• fix: linux canonicalization checks (denoland#24641)
• fix: lock down allow-run permissions more (denoland#25370)
• fix: make some warnings more standard (denoland#25324)
• fix: no cmd prefix in help output go links (denoland#25459)
• fix: only enable byonm if workspace root has pkg json (denoland#25379)
• fix: panic when require(esm) (denoland#25769)
• fix: precompile preserve SVG camelCase attributes (denoland#25945)
• fix: reland async context (denoland#25140)
• fix: remove --allow-run warning when using deno without args or subcommand
  (denoland#25684)
• fix: remove entrypoint hack for Deno 2.0 (denoland#25332)
• fix: remove recently added deno.json node_modules aliasing (denoland#25542)
• fix: remove the typo in the help message (denoland#25962)
• fix: removed unstable-htttp from deno help (denoland#25216)
• fix: replace npm install hint with deno install hint (denoland#25244)
• fix: trim space around DENO_AUTH_TOKENS (denoland#25147)
• fix: update deno_doc (denoland#25290)
• fix: Update deno_npm to fix deno install with crossws (denoland#25837)
• fix: update hint for deno add <package> (denoland#25455)
• fix: update malva in deno to support astro css comments (denoland#25553)
• fix: update nodeModulesDir config JSON schema (denoland#25653)
• fix: update patchver to 0.2 (denoland#25952)
• fix: update sui to 0.4 (denoland#25942)
• fix: upgrade deno_ast 0.42 (denoland#25313)
• fix: upgrade deno_core to 0.307.0 (denoland#25287)
• fix(add/install): default to "latest" tag for npm packages in
  deno add npm:pkg (denoland#25858)
• fix(bench): Fix table column alignments and NO_COLOR=1 (denoland#25190)
• fix(BREAKING): make dns record types have consistent naming (denoland#25357)
• fix(byonm): resolve npm deps of jsr deps (denoland#25399)
• fix(check): ignore noImplicitOverrides in remote modules (denoland#25854)
• fix(check): move is cjs check from resolving to loading (denoland#25597)
• fix(check): properly surface dependency errors in types file of js file
  (denoland#25860)
• fix(cli): deno task exit with status 0 (denoland#25637)
• fix(cli): Default to auto with --node-modules-dir flag (denoland#25772)
• fix(cli): handle edge cases around exports in doc tests and default export
  (denoland#25720)
• fix(cli): Map error kind to PermissionDenied when symlinking fails due to
  permissions (denoland#25398)
• fix(cli): Only set allow net flag for deno serve if not already allowed all
  (denoland#25743)
• fix(cli): Warn on not-run lifecycle scripts with global cache (denoland#25786)
• fix(cli/tools): correct deno init --serve template behavior (denoland#25318)
• fix(compile): support 'deno compile' in RC and LTS releases (denoland#25875)
• fix(config): validate export names (denoland#25436)
• fix(coverage): ignore urls from doc testing (denoland#25736)
• fix(doc): surface graph errors as warnings (denoland#25888)
• fix(dts): stabilize fetch declaration for use with Deno.HttpClient
  (denoland#25683)
• fix(ext/console): more precision in console.time (denoland#25723)
• fix(ext/console): prevent duplicate error printing when the cause is assigned
  (denoland#25327)
• fix(ext/crypto): ensure EC public keys are exported uncompressed (denoland#25766)
• fix(ext/crypto): fix identity test for x25519 derive bits (denoland#26011)
• fix(ext/crypto): reject empty usages in SubtleCrypto#importKey (denoland#25759)
• fix(ext/crypto): support md4 digest algorithm (denoland#25656)
• fix(ext/crypto): throw DataError for invalid EC key import (denoland#25181)
• fix(ext/fetch): fix lowercase http_proxy classified as https (denoland#25686)
• fix(ext/fetch): percent decode userinfo when parsing proxies (denoland#25229)
• fix(ext/http): do not set localhost to hostname unnecessarily (denoland#24777)
• fix(ext/http): gracefully handle Response.error responses (denoland#25712)
• fix(ext/node): add FileHandle#writeFile (denoland#25555)
• fix(ext/node): add vm.constants (denoland#25630)
• fix(ext/node): Add missing node:path exports (denoland#25567)
• fix(ext/node): Add missing node:fs and node:constants exports (denoland#25568)
• fix(ext/node): add stubs for node:trace_events (denoland#25628)
• fix(ext/node): attach console stream properties (denoland#25617)
• fix(ext/node): avoid showing UNKNOWN error from TCP handle (denoland#25550)
• fix(ext/node): close upgraded socket when the underlying http connection is
  closed (denoland#25387)
• fix(ext/node): delay accept() call 2 ticks in net.Server#listen (denoland#25481)
• fix(ext/node): don't throw error for unsupported signal binding on windows
  (denoland#25699)
• fix(ext/node): emit online event after worker thread is initialized (denoland#25243)
• fix(ext/node): export process.allowedNodeEnvironmentFlags (denoland#25629)
• fix(ext/node): export JWK public key (denoland#25239)
• fix(ext/node): export request and response clases from http2 module (denoland#25592)
• fix(ext/node): fix Cipheriv#update(string, undefined) (denoland#25571)
• fix(ext/node): fix Decipheriv when autoPadding disabled (denoland#25598)
• fix(ext/node): fix process.stdin.pause() (denoland#25864)
• fix(ext/node): Fix vm sandbox object panic (denoland#24985)
• fix(ext/node): http2session ready state (denoland#25143)
• fix(ext/node): Implement detached option in child_process (denoland#25218)
• fix(ext/node): import EC JWK keys (denoland#25266)
• fix(ext/node): import JWK octet key pairs (denoland#25180)
• fix(ext/node): import RSA JWK keys (denoland#25267)
• fix(ext/node): register node:wasi built-in (denoland#25134)
• fix(ext/node): remove unimplemented promiseHook stubs (denoland#25979)
• fix(ext/node): report freemem() on Linux in bytes (denoland#25511)
• fix(ext/node): Rewrite node:v8 serialize/deserialize (denoland#25439)
• fix(ext/node): session close during stream setup (denoland#25170)
• fix(ext/node): Stream should be instance of EventEmitter (denoland#25527)
• fix(ext/node): stub inspector/promises (denoland#25635)
• fix(ext/node): stub process.cpuUsage() (denoland#25462)
• fix(ext/node): stub cpu_info() for OpenBSD (denoland#25807)
• fix(ext/node): support x509 certificates in createPublicKey (denoland#25731)
• fix(ext/node): throw when loading cpu-features module (denoland#25257)
• fix(ext/node): update aead-gcm-stream to 0.3 (denoland#25261)
• fix(ext/node): use primordials in ext/node/polyfills/console.ts (denoland#25572)
• fix(ext/node): use primordials in ext/node/polyfills/wasi.ts (denoland#25608)
• fix(ext/node): validate input lengths in Cipheriv and Decipheriv (denoland#25570)
• fix(ext/web): don't ignore capture in EventTarget.removeEventListener (denoland#25788)
• fix(ext/webgpu): allow to build on unsupported platforms (denoland#25202)
• fix(ext/webgpu): sync category comment (denoland#25580)
• fix(ext/webstorage): make getOwnPropertyDescriptor with symbol return
  undefined (denoland#13348)
• fix(flags): --allow-all should conflict with lower permissions (denoland#25909)
• fix(flags): don't treat empty run command as task subcommand (denoland#25708)
• fix(flags): move some content from docs.deno.com into help output (denoland#25951)
• fix(flags): properly error out for urls (denoland#25770)
• fix(flags): require global flag for permission flags in install subcommand
  (denoland#25391)
• fix(fmt): --check was broken for CSS, YAML and HTML (denoland#25848)
• fix(fmt): fix incorrect quotes in components (denoland#25249)
• fix(fmt): fix tabs in YAML (denoland#25536)
• fix(fmt/markdown): fix regression with multi-line footnotes and inline math
  (denoland#25222)
• fix(info): error instead of panic for npm specifiers when using byonm (denoland#25947)
• fix(info): move "version" field to top of json output (denoland#25890)
• fix(inspector): Fix panic when re-entering runtime ops (denoland#25537)
• fix(install): compare versions directly to decide whether to create a child
  node_modules dir for a workspace member (denoland#26001)
• fix(install): Make sure target node_modules exists when symlinking (denoland#25494)
• fix(install): recommend using deno install -g when using a single http url
  (denoland#25388)
• fix(install): store tags associated with package in node_modules dir (denoland#26000)
• fix(install): surface package.json dependency errors (denoland#26023)
• fix(install): Use relative symlinks in deno install (denoland#25164)
• fix(installl): make bin entries executable even if not put in
  node_modules/.bin (denoland#25873)
• fix(jupyter): allow unstable flags (denoland#25483)
• fix(lint): correctly handle old jsx in linter (denoland#25902)
• fix(lint): support linting jsr pkg without version field (denoland#25230)
• fix(lockfile): use loose deserialization for version constraints (denoland#25660)
• fix(lsp): encode url parts before parsing as uri (denoland#25509)
• fix(lsp): exclude missing import quick fixes with bad resolutions (denoland#26025)
• fix(lsp): panic on url_to_uri() (denoland#25238)
• fix(lsp): properly resolve jsxImportSource for caching (denoland#25688)
• fix(lsp): update diagnostics on npm install (denoland#25352)
• fix(napi): Don't run microtasks in napi_resolve_deferred (denoland#25246)
• fix(napi): Fix worker threads importing already-loaded NAPI addon (denoland#25245)
• fix(no-slow-types): better override handling (denoland#25989)
• fix(node): Don't error out if we fail to statically analyze CJS re-export
  (denoland#25748)
• fix(node): fix worker_threads issues blocking Angular support (denoland#26024)
• fix(node): implement libuv APIs needed to support npm:sqlite3 (denoland#25893)
• fix(node): Include "node" condition during CJS re-export analysis (denoland#25785)
• fix(node): Pass NPM_PROCESS_STATE to subprocesses via temp file instead of env
  var (denoland#25896)
• fix(node/byonm): do not accidentally resolve bare node built-ins (denoland#25543)
• fix(node/cluster): improve stubs to make log4js work (denoland#25146)
• fix(npm): better error handling for remote npm deps (denoland#25670)
• fix(npm): root package has peer dependency on itself (denoland#26022)
• fix(permissions): disallow any LD_ or DYLD_ prefixed env var without full
  --allow-run permissions (denoland#25271)
• fix(permissions): disallow launching subprocess with LD_PRELOAD env var
  without full run permissions (denoland#25221)
• fix(publish): ensure provenance is spec compliant (denoland#25200)
• fix(regression): do not expose resolved path in Deno.Command permission denied
  error (denoland#25434)
• fix(runtime): don't error child.output() on consumed stream (denoland#25657)
• fix(runtime): use more null proto objects again (denoland#25040)
• fix(runtime/web_worker): populate SnapshotOptions for WebWorker when
  instantiated without snapshot (denoland#25280)
• fix(task): correct name for scoped npm package binaries (denoland#25390)
• fix(task): support tasks with colons in name in deno run (denoland#25233)
• fix(task): use current executable for deno even when not named deno (denoland#26019)
• fix(types): simplify mtls related types (denoland#25658)
• fix(upgrade): more informative information on invalid version (denoland#25319)
• fix(windows): Deno.Command - align binary resolution with linux and mac
  (denoland#25429)
• fix(workspace): handle when config has members when specified via --config
  (denoland#25988)
• perf: fast path for cached dyn imports (denoland#25636)
• perf: Use -O3 for sui in release builds (denoland#26010)
• perf(cache): single cache file for remote modules (denoland#24983)
• perf(cache): single cache file for typescript emit (denoland#24994)
• perf(ext/fetch): improve decompression throughput by upgrading tower_http
  (denoland#25806)
• perf(ext/node): reduce some allocations in require (denoland#25197)
• perf(ext/web): optimize performance.measure() (denoland#25774)