Tuesday, 22 December, 2020 UTC

Node v15.5.0 (Current)

Node v15.5.0 (Current)

Summary

Notable Changes

Extended support for AbortSignal in child_process and stream

The following APIs now support an AbortSignal in their options object:
  • child_process.spawn()
Calling .abort() on the corresponding AbortController is similar to calling .kill() on the child process except the error passed to the callback will be an AbortError:
const controller = new AbortController();
const { signal } = controller;
const grep = spawn('grep', ['ssh'], { signal });
grep.on('error', (err) => {
  // This will be called with err being an AbortError if the controller aborts
});
controller.abort(); // stops the process
  • new stream.Writable() and new stream.Readable()
Calling .abort() on the corresponding AbortController will behave the same way as calling .destroy(new AbortError()) on the stream:
const { Readable } = require('stream');
const controller = new AbortController();
const read = new Readable({
  read(size) {
    // ...
  },
  signal: controller.signal
});
// Later, abort the operation closing the stream
controller.abort();
Contributed by Benjamin Gruenbaum #36431, #36432.

BigInt support in querystring.stringify()

If querystring.stringify() is called with an object that contains BigInt values, they will now be serialized to their decimal representation instead of the empty string:
const querystring = require('querystring');
console.log(querystring.stringify({ bigint: 2n ** 64n }));
// Prints: bigint=18446744073709551616
Contributed by Darshan Sen #36499.

Additions to the C++ embedder APIs

A new IsolateSettingsFlag is available for those calling SetIsolateUpForNode(): SHOULD_NOT_SET_PREPARE_STACK_TRACE_CALLBACK can be used to prevent Node.js from setting a custom callback to prepare stack traces.
Contributed by Shelley Vohr #36447.
Added node::GetEnvironmentIsolateData() and node::GetArrayBufferAllocator() to respectively get the current IsolateData* and, from it, the current Node.js ArrayBufferAllocator if there is one.
Contributed by Anna Henningsen #36441.

New core collaborator

With this release, we welcome a new Node.js core collaborator:
  • Pooja D P @PoojaDurgad #36511

Commits

Semver-minor commits

  • [e449571230] - (SEMVER-MINOR) child_process: add signal support to spawn (Benjamin Gruenbaum) #36432
  • [25d7e90386] - (SEMVER-MINOR) http: use autoDestroy: true in incoming message (Daniele Belardi) #33035
  • [5481be8cbd] - (SEMVER-MINOR) lib: support BigInt in querystring.stringify (raisinten) #36499
  • [036ed1fafc] - (SEMVER-MINOR) src: add way to get IsolateData and allocator from Environment (Anna Henningsen) #36441
  • [e23309486b] - (SEMVER-MINOR) src: allow preventing SetPrepareStackTraceCallback (Shelley Vohr) #36447
  • [6ecbc1dcb3] - (SEMVER-MINOR) stream: support abortsignal in constructor (Benjamin Gruenbaum) #36431

Semver-patch commits

  • [1330995b80] - build,lib,test: change whitelist to allowlist (Michaël Zasso) #36406
  • [dc8d1a74a6] - deps: upgrade npm to 7.3.0 (Ruy Adorno) #36572
  • [b6a31f0a70] - deps: update archs files for OpenSSL-1.1.1i (Myles Borins) #36520
  • [5b49807c3f] - deps: re-enable OPENSSL_NO_QUIC guards (James M Snell) #36520
  • [309e2971a2] - deps: various quic patches from akamai/openssl (Todd Short) #36520
  • [27fb651cbc] - deps: upgrade openssl sources to 1.1.1i (Myles Borins) #36520
  • [1f43aadf90] - deps: update patch and docs for openssl update (Myles Borins) #36520
  • [752c94d202] - deps: fix npm doctor tests for pre-release node (nlf) #36543
  • [b0393fa2ed] - deps: upgrade npm to 7.2.0 (Myles Borins) #36543
  • [cb4652e91d] - deps: update to c-ares 1.17.1 (Danny Sonnenschein) #36207
  • [21fbcb6f81] - deps: V8: backport 4bf051d536a1 (Anna Henningsen) #36482
  • [30fe0ff681] - deps: upgrade npm to 7.1.2 (Darcy Clarke) #36487
  • [0baa610c3e] - deps: upgrade npm to 7.1.1 (Ruy Adorno) #36459
  • [5929b08851] - deps: upgrade npm to 7.1.0 (Ruy Adorno) #36395
  • [deaafd5788] - dns: refactor to use more primordials (Antoine du Hamel) #36314
  • [e30af7be33] - fs: refactor to use optional chaining (ZiJian Liu) #36524
  • [213dcd7930] - http: add test for incomingmessage destroy (Daniele Belardi) #33035
  • [36b4ddd382] - http: use standard args order in IncomingMEssage onError (Daniele Belardi) #33035
  • [60b5e696fc] - http: remove trailing space (Daniele Belardi) #33035
  • [f11a648d8e] - http: add comments in _http_incoming (Daniele Belardi) #33035
  • [4b81d79b58] - http: fix lint error in incoming message (Daniele Belardi) #33035
  • [397e31e25f] - http: reafactor incoming message destroy (Daniele Belardi) #33035
  • [9852ebca8d] - http: do not loop over prototype in Agent (Michaël Zasso) #36410
  • [e46a46a4cd] - inspector: refactor to use more primordials (Antoine du Hamel) #36356
  • [728f512c7d] - lib: make safe primordials safe to iterate (Antoine du Hamel) #36391
  • [f368d697cf] - Revert "perf_hooks: make PerformanceObserver an AsyncResource" (Nicolai Stange) #36343
  • [e2ced0d401] - perf_hooks: invoke performance_entry_callback via MakeSyncCallback() (Nicolai Stange) #36343
  • [7c903ec6c8] - repl: disable blocking completions by default (Anna Henningsen) #36564
  • [d38a0ec93e] - src: remove unnecessary ToLocalChecked node_errors (Daniel Bevenius) #36547
  • [bbc0d14cd2] - src: use correct microtask queue for checkpoints (Anna Henningsen) #36581
  • [7efb3111e8] - src: remove unnecessary ToLocalChecked call (Daniel Bevenius) #36523
  • [68687d3419] - src: remove empty name check in node_env_var.cc (raisinten) #36133
  • [1b4984de98] - src: remove duplicate V macros in node_v8.cc (Daniel Bevenius) #36454
  • [5ff7f42e65] - src: use correct outer Context’s microtask queue (Anna Henningsen) #36482
  • [96c095f237] - src: guard against env != null in node_errors.cc (Anna Henningsen) #36414
  • [4f3d7bb417] - src: introduce convenience node::MakeSyncCallback() (Nicolai Stange) #36343
  • [e59788262c] - src: add typedef for CleanupHookCallback callback (Daniel Bevenius) #36442
  • [2a60e3b9df] - src: fix indentation in memory_tracker-inl.h (Daniel Bevenius) #36425
  • [210390f6fd] - src: remove identical V macro (Daniel Bevenius) #36427
  • [02afe586aa] - src: use using declarations consistently (Daniel Bevenius) #36365
  • [169406b7d7] - src: add missing context scopes (Anna Henningsen) #36413
  • [3f33d0bcda] - stream: fix pipe deadlock when starting with needDrain (Robert Nagy) #36563
  • [d8b5b9499c] - stream: accept iterable as a valid first argument (ZiJian Liu) #36479
  • [58319d5336] - tls: forward new SecureContext options (Alba Mendez) #36416
  • [fa40366276] - util: simplify constructor retrieval in inspect() (Rich Trott) #36466
  • [cc544dbfaa] - util: fix instanceof checks with null prototypes during inspection (Ruben Bridgewater) #36178
  • [13d6597b4b] - util: fix module prefixes during inspection (Ruben Bridgewater) #36178
  • [20ecc82569] - worker: fix broadcast channel SharedArrayBuffer passing (Anna Henningsen) #36501
  • [56fe9bae26] - worker: refactor MessagePort entanglement management (Anna Henningsen) #36345

Documentation commits

  • [19c233232f] - doc: fix AbortSignal example for stream.Readable (Michaël Zasso) #36596
  • [9fbab3e2f5] - doc: update and run license-builder for Babel (Michaël Zasso) #36504
  • [a1ba6686a0] - doc: add remark about Collaborators discussion page (FrankQiu) #36420
  • [c5602fb166] - doc: simplify worker_threads.md text (Rich Trott) #36545
  • [149f2cfac1] - doc: add two tips for speeding the dev builds (Momtchil Momtchev) #36452
  • [ad75c78c32] - doc: add note about timingSafeEqual for TypedArray (Tobias Nießen) #36323
  • [9830fe5c9e] - doc: move Derek Lewis to emeritus (Rich Trott) #36514
  • [eb29a16bae] - doc: add issue reference to github pr template (Chinmoy Chakraborty) #36440
  • [f09985d42a] - doc: update url.md (Rock) #36147
  • [c3ec90d23c] - doc: make explicit reverting node_version.h changes (Richard Lau) #36461
  • [7a34452b1d] - doc: add license info to the README (FrankQiu) #36278
  • [22f039339f] - doc: revise addon mulitple initializations text (Rich Trott) #36457
  • [25a245443a] - doc: add v15.4.0 link to CHANGELOG.md (Danielle Adams) #36456
  • [1ec8516fd6] - doc: add PoojaDurgad to collaborators (Pooja D P) #36511
  • [98918110a1] - doc: edit addon text about event loop blocking (Rich Trott) #36448
  • [62bfe3d313] - doc: note v15.0.0 changed default --unhandled-rejections=throw (kai zhu) #36361
  • [129053fe4c] - doc: update terminology (Michael Dawson) #36475
  • [e331de2571] - doc: reword POSIX threads text in addons.md (Rich Trott) #36436
  • [04f166389b] - doc: add RaisinTen as a triager (raisinten) #36404
  • [3341b2cb9d] - doc: document ABORT_ERR code (Benjamin Gruenbaum) #36319
  • [6a6b3af736] - doc: provide more context on techinical values (Michael Dawson) #36201

Other commits

  • [e1f00fd996] - benchmark: reduce code duplication (Rich Trott) #36568
  • [82a26268d7] - build: do not run GitHub actions for draft PRs (Michaël Zasso) #35910
  • [95c80f5fb0] - build: run some workflows only on nodejs/node (Michaël Zasso) #36507
  • [584ea8b26c] - build: fix make test-npm (Ruy Adorno) #36369
  • [01576fbc19] - test: increase abort logic coverage (Moshe vilner) #36586
  • [22ac2279ee] - test: increase coverage for stream (ZiJian Liu) #36538
  • [9fc2479707] - test: increase coverage for worker (ZiJian Liu) #36491
  • [81e603b7cf] - test: specify global object for globals (Rich Trott) #36498
  • [109ab787fd] - test: increase coverage for fs/dir read (Zijian Liu) #36388
  • [9f2d3c291b] - test: remove test-http2-client-upload as flaky (Rich Trott) #36496
  • [d299ceeac7] - test: increase coverage for net/blocklist (Zijian Liu) #36405
  • [f7635fd86d] - test: make executable name more general (Shelley Vohr) #36489
  • [acd78d9d25] - test: increased externalized string length (Shelley Vohr) #36451
  • [0f749a35ec] - test: add test for async contexts in PerformanceObserver (ZauberNerd) #36343
  • [dd705ad1f0] - test: increase execFile abort coverage (Moshe vilner) #36429
  • [31b062d591] - test: fix flaky test-repl (Rich Trott) #36415
  • [023291b43c] - test: check null proto-of-proto in util.inspect() (Rich Trott) #36399
  • [d3d1f338c7] - test: add SIGTRAP to test-signal-handler (Ash Cripps) #36368
  • [166aa8a7b5] - test: fix child-process-pipe-dataflow (Santiago Gimeno) #36366
  • [ecbb757ae0] - tools: fix make-v8.sh (Richard Lau) #36594
  • [e3c5adc6d0] - tools: fix release script sign function (Antoine du Hamel) #36556
  • [0d4d34748d] - tools: update ESLint to 7.16.0 (Yongsheng Zhang) #36579
  • [f3828c9dcb] - tools: fix update-eslint.sh (Yongsheng Zhang) #36579
  • [27260c70b4] - tools: fix release script (Antoine du Hamel) #36540
  • [c6700ad041] - tools: remove unused variable in configure.py (Rich Trott) #36525
  • [7b8d373d5e] - tools: lint shell scripts (Antoine du Hamel) #36099
  • [c6e65d09ef] - tools: update ini in tools/node-lint-md-cli-rollup (Myles Borins) #36474
  • [7542a3bd55] - tools: enable no-unsafe-optional-chaining lint rule (Colin Ihrig) #36411
  • [26f8ccfbe6] - tools: update ESLint to 7.15.0 (Colin Ihrig) #36411
  • [8ecf2f9976] - tools: update doc tool dependencies (Michaël Zasso) #36407
  • [040b39f076] - tools: enable no-unused-expressions lint rule (Michaël Zasso) #36248
Windows 32-bit Installer: https://nodejs.org/dist/v15.5.0/node-v15.5.0-x86.msi
Windows 64-bit Installer: https://nodejs.org/dist/v15.5.0/node-v15.5.0-x64.msi
Windows 32-bit Binary: https://nodejs.org/dist/v15.5.0/win-x86/node.exe
Windows 64-bit Binary: https://nodejs.org/dist/v15.5.0/win-x64/node.exe
macOS 64-bit Installer: https://nodejs.org/dist/v15.5.0/node-v15.5.0.pkg
macOS 64-bit Binary: https://nodejs.org/dist/v15.5.0/node-v15.5.0-darwin-x64.tar.gz
Linux 64-bit Binary: https://nodejs.org/dist/v15.5.0/node-v15.5.0-linux-x64.tar.xz
Linux PPC LE 64-bit Binary: https://nodejs.org/dist/v15.5.0/node-v15.5.0-linux-ppc64le.tar.xz
Linux s390x 64-bit Binary: https://nodejs.org/dist/v15.5.0/node-v15.5.0-linux-s390x.tar.xz
AIX 64-bit Binary: https://nodejs.org/dist/v15.5.0/node-v15.5.0-aix-ppc64.tar.gz
ARMv7 32-bit Binary: https://nodejs.org/dist/v15.5.0/node-v15.5.0-linux-armv7l.tar.xz
ARMv8 64-bit Binary: https://nodejs.org/dist/v15.5.0/node-v15.5.0-linux-arm64.tar.xz
Source Code: Coming soon
Other release files: https://nodejs.org/dist/v15.5.0/
Documentation: https://nodejs.org/docs/v15.5.0/api/

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