5 Breaking changes between Node 7 and 8

Jeremiah Senkpiel edited this page 2017-11-06 11:52:08 -08:00

Table of Contents

• By Subsystem
• assert
• buffer
• child_process
• console
• crypto
• debugger
• dgram
• dns
• domain
• events
• fs
• http
• inspector
• intl
• linklist
• module
• net
• process
• querystring
• repl
• stream
• string_decoder
• tls
• tty
• url
• util
• zlib
• Native Modules (Addons)
• General Node
• Dependencies

Authors note (Fishrock123): This is highly unfinished copy from shortly after Node 8 became Current.

When editing this page please be as detailed as possible.

For older breaking changes, please see our Node 6 to 7 page.

183 commits were tagged semver-major.

Note to readers: # is synonymous with .prototype., and indicates the property is available on instances of that class. Example: Object#toString() is equivalent to Object.prototype.toString().

By Subsystem

assert

[Docs]

• assert.AssertException is now a class, resulting in an updated error message when invoked without the new keyword.
  • Previously, invoking without new would result in a undescriptive TypeError: Cannot assign to read only property 'name' of function ... error.
  • Refs: [e48d58b8b2], #12651
• When assert.fail() is provided a single argument, it now interprets it as the message parameter.
  • This behavior is equivalent to assert.fail(undefined, undefined, <first argument>).
  • Refs: [758b8b6e5d], #12293
• The deepEqual and deepStrictEqual functions now check equality on the contents of Sets and Maps.
  • Previously, these functions did not deeply compare Sets or Maps and would return true when comparing any two regardless of their contents.
  • Refs: [6481c93aef], #12142
• !!!!!!!!! [efec14a7d1] - (SEMVER-MAJOR) assert: enforce type check in deepStrictEqual (Joyee Cheung) #10282
• !!!!!!!!! [562cf5a81c] - (SEMVER-MAJOR) assert: fix premature deep strict comparison (Joyee Cheung) #11128
• assert.throws(fn) has a slightly updated error message when the provided function does not throw.
  • The error message no longer has two periods.
  • Refs: [0af41834f1], #11254

buffer

[Docs]

• !!!!!! [d2d32ea5a2] - (SEMVER-MAJOR) buffer: add pending deprecation warning (James M Snell) #11968
• The memory allocated by new Buffer(Number) is now zero-filled by default.
  • Refs: [7eb1b4658e], #12141
• Buffer#write(), Buffer#fill() and Buffer.from() now ignore invalid hex strings.
  • Previously: Buffer.from('abx', 'hex') caused: TypeError: Invalid hex string.
  • Now: Buffer.from('abx', 'hex') results in: <Buffer ab>.
  • Refs: [682573c11d], #12012
• Buffer#toString() now throws an error if an unknown encoding is passed.
  • buf.toString(0, 1, 2) now throws: TypeError: Unknown encoding: 0.
  • If undefined is passed or implied, the behavior is unchanged ad still defaults to utf8.
  • Refs: [9a0829d728], #11120
• All Buffer methods that would accept being passed a Buffer may now also be passed Uint8Array instead.
  • Error messages have been updated to reflect this change in behavior.
  • Refs: [beca3244e2], #10236
• The error message for oversized buffers is now more consistent.
  • Now: RangeError: "size" argument must not be larger than <buffer.kMaxLength>
  • Refs: [3d353c749c], #10152

child_process

[Docs]

• !!!!!!!! [97a77288ce] - (SEMVER-MAJOR) child_process: improve ChildProcess validation (cjihrig) #12348
• !!!!!!!! [d75fdd96aa] - (SEMVER-MAJOR) child_process: improve killSignal validations (Sakthipriyan Vairamani (thefourtheye)) #10423
• The stdio option for child_process.fork() now has a consistent error message with child_process.spawn().
  • Now: TypeError: Incorrect value of stdio option: <String>.
  • Refs: [4cafa60c99] - (SEMVER-MAJOR) child_process: align fork/spawn stdio error msg (Sam Roberts) #11044
• !!!!! [3268863ebc] - (SEMVER-MAJOR) child_process: add string shortcut for fork stdio (Javis Sullivan) #10866
• The maxBuffer option for child_process functions can now be set to any positive number, including Infinity.
  • Refs: [8f3ff98f0e], #10769
  • All child_process methods that would accept being passed a Buffer may now also be passed Uint8Array instead.
    • Error messages have been updated to reflect this change in behavior.
    • Refs: [627ecee9ed], #10653
• !!!!! [fc7b0dda85] - (SEMVER-MAJOR) child_process: improve input validation (cjihrig) #8312
• Errors from exec{File}Sync() will no longer sometimes have extra newlines.
  • Refs: [49d1c366d8], #9343

console

• The console will no longer throw any stream error events by default.
  • This bring behavior closer in line to browsers.
  • For example, the following now works as expected: node -e "console.log(1);console.log(2);" | head -1.
  • Refs: [f18e08d820], #9744

crypto

[Docs]

• [a8f460f12d] - (SEMVER-MAJOR) crypto: support all ArrayBufferView types (Timothy Gu) #12223
• [0db49fef41] - (SEMVER-MAJOR) crypto: support Uint8Array prime in createDH (Anna Henningsen) #11983
• [443691a5ae] - (SEMVER-MAJOR) crypto: fix default encoding of LazyTransform (Lukas Möller) #8611
• crypto.pbkdf2{Sync}() will now throw an error if the digest argument is undefined.
  • Previously, this produced a deprecation warning.
  • Refs: [9f74184e98], #11305
• [e90f38270c] - (SEMVER-MAJOR) crypto: throw error in CipherBase::SetAutoPadding (Kirill Fomichev) #9405
• [1ef401ce92] - (SEMVER-MAJOR) crypto: use check macros in CipherBase::SetAuthTag (Kirill Fomichev) #9395

debugger

[Docs]

• [7599b0ef9d] - (SEMVER-MAJOR) debug: activate inspector with _debugProcess (Eugene Ostroukhov) #11431
• The now-obsolete _debug_agent module has been removed.
  • Refs: [549e81bfa1], #12582

dgram

[Docs]

• [e912c67d24] - (SEMVER-MAJOR) dgram: convert to using internal/errors (Michael Dawson) #12926
• [2dc1053b0a] - (SEMVER-MAJOR) dgram: support Uint8Array input to send() (Anna Henningsen) #11985
• The address argument to dgram.Socket#send() is now optional and does additional validation.
  • Now if address is not a String the following error will occur: TypeError: Invalid arguments: address must be a nonempty string or falsy.
  • Refs: [32679c73c1], #10473

dns

• [5587ff1ccd] - (SEMVER-MAJOR) dns: handle implicit bind DNS errors (cjihrig) #11036

domain

[Docs]

events

[Docs]

• The error message for error events with no listeners has been updated.
  • Previously: Error: Uncaught, unspecified "error" event.
  • Now: Error: Unhandled "error" event.
  • Refs: [2141d37452], #10387
• The setter for events.defaultMaxListeners now does value validation and must be a positive number (including Infinity).
  • The new validation error is as follows: TypeError: defaultMaxListeners must be a positive number.
  • Refs: [221b03ad20], #11938

fs

[Docs]

• [4cb5f3daa3] - (SEMVER-MAJOR) fs: throw on invalid callbacks for async functions (Sakthipriyan Vairamani (thefourtheye)) #12562
• fs.utimes() will now throw an error if the atime or mtime arguments are NaN or Infinity.
  • Refs: [eed87b1637], #11919
• [71097744b2] - (SEMVER-MAJOR) fs: more realpath*() optimizations (Brian White) #11665
• [6a5ab5d550] - (SEMVER-MAJOR) fs: include more fs.stat*() optimizations (Brian White) #11665
• [1c3df96570] - (SEMVER-MAJOR) fs: replace regexp with function (Brian White) #10789
• [34c9fc2e4e] - (SEMVER-MAJOR) fs: avoid multiple conversions to string (Brian White) #10789
• [21b2440176] - (SEMVER-MAJOR) fs: avoid recompilation of closure (Brian White) #10789
• fs.SyncWriteStream has been issued a runtime deprecation.
  • The deprecation code for this API is DEP0061.
  • Previously, this API was docs-deprecated.
  • Refs: [7a55e34ef4], #10467
• [b1fc7745f2] - (SEMVER-MAJOR) fs: avoid emitting error EBADF for double close (Matteo Collina) #11225
• The "string interface" for fs.read() has been removed.
  • Previously worked, but was deprecated: fs.read(fd, length, position, encoding, callback)
  • Refs: [3c2a9361ff], #9683
• fs.readFile(path, encoding, (err, data) => {}) will no longer return with data as a Buffer if an err was returned from an internal .toString() failure.
  • Refs: [f3cf8e9808], #9670

http

[Docs]

• http.ClientRequest (used by http.request()) now does additional options.host{name} validation.
  • undefined and null still default to 'localhost'.
  • Now, other non-string values cause: TypeError: "options.hostname" must either be a string, undefined or null.
  • Refs: [85a4e25775], #12494
• !!!! [90403dd1d0], #11567
• http.IncomingMessage#headers.cookie now concatenates multiple cookie headers with semicolons (;) rather than commas (,).
  • Previously: 'foo=bar, baz=boo'.
  • Now: 'foo=bar; baz=boo'.
  • Refs: [6b2cef65c9], #11259
• [d3480776c7] - (SEMVER-MAJOR) http: concatenate outgoing Cookie headers (Brian White) #11259
• The widely-used but private http.ServerResponse properties _headers, _headerNames, & _renderHeaders have been docs-deprecated.
  • The deprecation code for _headers and _headerNames is DEP0066, and the code for _renderHeaders is DEP0067.
  • More information can be found under the deprecation codes.
  • Refs: [8243ca0e0e], #10941
• http.ServerResponse#writeHeader() has been docs-deprecated with a code of DEP0063.
  • It is an alias to ServerResponse#writeHead().
  • Refs: [fb71ba4921], #11355
• http.ServerResponse#writeHead() now reports a non-number-coerced status code in the error message if the status code is not valid.
  • Refs: [a4bb9fdb89], #11221
• [fc7025c9c0] - (SEMVER-MAJOR) http: throw an error for unexpected agent values (brad-decker) #10053
• [176cdc2823] - (SEMVER-MAJOR) http: misc optimizations and style fixes (Brian White) #10558
• [73d9445782] - (SEMVER-MAJOR) http: try to avoid lowercasing incoming headers (Brian White) #10558
• [c77ed327d9] - (SEMVER-MAJOR) http: avoid using object for removed header status (Brian White) #10558
• [c00e4adbb4] - (SEMVER-MAJOR) http: optimize header storage and matching (Brian White) #10558
• [ec8910bcea] - (SEMVER-MAJOR) http: check statusCode early (Brian White) #10558
• [a73ab9de0d] - (SEMVER-MAJOR) http: remove pointless use of arguments (cjihrig) #10664
• [df3978421b] - (SEMVER-MAJOR) http: verify client method is a string (Luca Maraschi) #10111

inspector

intl

linklist

• [b40dab553f] - (SEMVER-MAJOR) linkedlist: remove unused methods (Brian White) #11726
• [84a23391f6] - (SEMVER-MAJOR) linkedlist: remove public module (Brian White) #12113

module

[Docs]

• [e32425bfcd] - (SEMVER-MAJOR) module: avoid JSON.stringify() for cache key (Brian White) #10789
• [403b89e72b] - (SEMVER-MAJOR) module: avoid hasOwnProperty() (Brian White) #10789
• [298a40e04e] - (SEMVER-MAJOR) module: use "clean" objects (Brian White) #10789

net

[Docs]

• net.Server#address() now propagates internal getsockname() errors.
  • This means that net.Server#address() could now throw any libuv error that _handle.getsockname() might return.
  • Refs: [cf980b0311], #12871

process

[Docs]

• [03e89b3ff2] - (SEMVER-MAJOR) process: add --redirect-warnings command line argument (James M Snell) #10116
• [5e1f32fd94] - (SEMVER-MAJOR) process: add optional code to warnings + type checking (James M Snell) #10116
• [a647d82f83] - (SEMVER-MAJOR) process: improve process.hrtime (Joyee Cheung) #10764

querystring

• [4e259b21a3] - (SEMVER-MAJOR) querystring, url: handle repeated sep in search (Daijiro Wachi) #10967

repl

[Docs]

• [39d9afe279] - (SEMVER-MAJOR) repl: refactor LineParser implementation (Blake Embrey) #6171
• The replMode option repl.REPL_MODE_MAGIC has been docs-deprecated, with a code of DEP00XX.
  • The behavior is now equivalent to repl.REPL_MODE_SLOPPY.
  • This also applies for the environment variable: NODE_REPL_MODE=magic.
  • Refs: [3f27f02da0], #11599
• [007386ee81] - (SEMVER-MAJOR) repl: remove workaround for function redefinition (Michaël Zasso) #9618

stream

[Docs]

• [f8c617dbe2] - (SEMVER-MAJOR) stream: improve multiple callback error message (cjihrig) #12520
• [330c8d743e] - (SEMVER-MAJOR) stream: add destroy and _destroy methods. (Matteo Collina) #12925
• [202b07f414] - (SEMVER-MAJOR) stream: fix comment for sync flag of ReadableState (Wang Xinyong) #11139
• [1004b9b4ad] - (SEMVER-MAJOR) stream: remove unused ranOut from ReadableState (Wang Xinyong) #11139
• [03b9f6fe26] - (SEMVER-MAJOR) stream: avoid instanceof (Brian White) #10558
• [a3539ae3be] - (SEMVER-MAJOR) stream: use plain objects for write/corked reqs (Brian White) #10558

string_decoder

• [24ef1e6775] - (SEMVER-MAJOR) string_decoder: align UTF-8 handling with V8 (Brian White) #9618

tls

• [348cc80a3c] - (SEMVER-MAJOR) tls: make rejectUnauthorized default to true (ghaiklor) #5923
• [a2ae08999b] - (SEMVER-MAJOR) tls: runtime deprecation for tls.createSecurePair() (James M Snell) #11349
• [d523eb9c40] - (SEMVER-MAJOR) tls: use emitWarning() for dhparam < 2048 bits (James M Snell) #11447

tty

• The NODE_TTY_UNSAFE_ASYNC environment variable detection has been removed.
  • This was previously a stop-gap for a theoretical behavior change.
  • Refs: [1b63fa1096], #12057

url

[Docs]

• url.format() now provides a correct error message if it is not called with a urlObject.
  • Previously: TypeError: undefined, or other broken variants.
  • Now: TypeError: Parameter "urlObj" must be an object, not <type>.
  • Refs: [78182458e6], #11162
• url.parse() no longer truncates long hostnames.
  • Refs: [c65d55f087], #9292

util

• util.inspect() now shows v8::External C++ objects as [External], rather than {}.
  • Refs: [3cc3e099be], #12151
• util.inspect() now shows deeply nested Arrays as [Array], rather than [Object].
  • Refs: [4a5a9445b5], #12046
• util.inspect() now shows enumerable Symbol keys by default.
  • This can be configured by setting util.inspect.defaultOptions.showHidden.
  • Refs: [5bfd13b81e], #9726
• The %j (JSON) specifier conversion in util.format() now propagates non-circular-reference errors.
  • Refs: [455e6f1dd8], #11708
• util.inspect has [ec2f098156] - (SEMVER-MAJOR) util: change sparse arrays inspection format (Alexey Orlenko) #11576
• [aab0d202f8] - (SEMVER-MAJOR) util: convert inspect.styles and inspect.colors to prototype-less objects (Nemanja Stojanovic) #11624
• [4151ab398b] - (SEMVER-MAJOR) util: add createClassWrapper to internal/util (James M Snell) #11391
• util.inspect() now has improved display for Async Functions and Generators.
  • Previously, either was formatted as [Function].
  • Now, Async Functions: [AsyncFunction], Generators: [GeneratorFunction].
  • Refs: [f65aa08b52], #11210

zlib

[Docs]

• All of the Zlib TransformStream options now do stricter validation.
  • Options no longer conflate 0 with undefined.
  • Numeric options no longer accept NaN or Infinity.
  • Refs: [9e4660b518], #13098
• [2ced07ccaf] - (SEMVER-MAJOR) zlib: support all ArrayBufferView types (Timothy Gu) #12223
• [91383e47fd] - (SEMVER-MAJOR) zlib: support Uint8Array in convenience methods (Timothy Gu) #12001
• [b514bd231e] - (SEMVER-MAJOR) zlib: use RangeError/TypeError consistently (James M Snell) #11391
• [8e69f7e385] - (SEMVER-MAJOR) zlib: refactor zlib module (James M Snell) #11391
• [dd928b04fc] - (SEMVER-MAJOR) zlib: be strict about what strategies are accepted (Rich Trott) #10934

Native Modules (Addons)

Previously:

• The NODE_MODULE_VERSION is now 51.
  • Refs: [96933df2ff], #8808

General Node

Dependencies

• V8 has been upgraded to 5.4.500.36 + floating patches.
  • Refs: deps/v8, 90efff6000], #8317

• [bf5c309b5e] - (SEMVER-MAJOR) build: fix V8 build on FreeBSD (Michaël Zasso) #12784

• [a1028d5e3e] - (SEMVER-MAJOR) build: remove cares headers from tarball (Gibson Fahnestock) #10283

• [d08836003c] - (SEMVER-MAJOR) build: build an x64 build by default on Windows (Nikolai Vavilov) #11537

• [92ed1ab450] - (SEMVER-MAJOR) build: change nosign flag to sign and flips logic (Joe Doyle) #10156

• [c0d858f8bb] - (SEMVER-MAJOR) deps: upgrade npm beta to 5.0.0-beta.56 (Kat Marchán) #12936

• [6690415696] - (SEMVER-MAJOR) deps: cherry-pick a927f81c7 from V8 upstream (Anna Henningsen) #11752

• [60d1aac8d2] - (SEMVER-MAJOR) deps: update V8 to 5.8.283.38 (Michaël Zasso) #12784

• [b7608ac707] - (SEMVER-MAJOR) deps: cherry-pick node-inspect#43 (Ali Ijaz Sheikh) #11441

• [9c9e2d7f4a] - (SEMVER-MAJOR) deps: backport 3297130 from upstream V8 (Michaël Zasso) #11752

• [07088e6fc1] - (SEMVER-MAJOR) deps: backport 39642fa from upstream V8 (Michaël Zasso) #11752

• [8394b05e20] - (SEMVER-MAJOR) deps: cherry-pick c5c570f from upstream V8 (Michaël Zasso) #11752

• [fcc58bf0da] - (SEMVER-MAJOR) deps: cherry-pick a927f81c7 from V8 upstream (Anna Henningsen) #11752

• [83bf2975ec] - (SEMVER-MAJOR) deps: cherry-pick V8 ValueSerializer changes (Anna Henningsen) #11752

• [c459d8ea5d] - (SEMVER-MAJOR) deps: update V8 to 5.7.492.69 (Michaël Zasso) #11752

• [7c0c7baff3] - (SEMVER-MAJOR) deps: fix gyp configuration for v8-inspector (Michaël Zasso) #10992

• [00a2aa0af5] - (SEMVER-MAJOR) deps: fix gyp build configuration for Windows (Michaël Zasso) #10992

• [b30ec59855] - (SEMVER-MAJOR) deps: switch to v8_inspector in V8 (Ali Ijaz Sheikh) #10992

• [7a77daf243] - (SEMVER-MAJOR) deps: update V8 to 5.6.326.55 (Michaël Zasso) #10992

• [c9e5178f3c] - (SEMVER-MAJOR) deps: hide zlib internal symbols (Sam Roberts) #11082

• [2739185b79] - (SEMVER-MAJOR) deps: update V8 to 5.5.372.40 (Michaël Zasso) #9618

• [eb535c5154] - (SEMVER-MAJOR) doc: deprecate vm.runInDebugContext (Josh Gavant) #12243

• [75c471a026] - (SEMVER-MAJOR) doc: drop PPC BE from supported platforms (Michael Dawson) #12309

• [86996c5838] - (SEMVER-MAJOR) doc: deprecate private http properties (Brian White) #10941

• [3d8379ae60] - (SEMVER-MAJOR) doc: improve assert.md regarding ECMAScript terms (Joyee Cheung) #11128

• [d708700c68] - (SEMVER-MAJOR) doc: deprecate buffer's parent property (Sakthipriyan Vairamani (thefourtheye)) #8332

• [03d440e3ce] - (SEMVER-MAJOR) doc: document buffer.buffer property (Sakthipriyan Vairamani (thefourtheye)) #8332

• [f0b702555a] - (SEMVER-MAJOR) errors: use lazy assert to avoid issues on startup (James M Snell) #11300

• [251e5ed8ee] - (SEMVER-MAJOR) errors: assign error code to bootstrap_node created error (James M Snell) #11298

• [e75bc87d22] - (SEMVER-MAJOR) errors: port internal/process errors to internal/errors (James M Snell) #11294

• [76327613af] - (SEMVER-MAJOR) errors, child_process: migrate to using internal/errors (James M Snell) #11300

• [1c834e78ff] - (SEMVER-MAJOR) errors,test: migrating error to internal/errors (larissayvette) #11505

• [90476ac6ee] - (SEMVER-MAJOR) lib: remove _debugger.js (Ben Noordhuis) #12495

• [3209a8ebf3] - (SEMVER-MAJOR) lib: ensure --check flag works for piped-in code (Teddy Katz) #11689

• [c67207731f] - (SEMVER-MAJOR) lib: simplify Module._resolveLookupPaths (Brian White) #10789

• [28dc848e70] - (SEMVER-MAJOR) lib: improve method of function calling (Brian White) #10789

• [a851b868c0] - (SEMVER-MAJOR) lib: remove sources of permanent deopts (Brian White) #10789

• [62e96096fa] - (SEMVER-MAJOR) lib: more consistent use of module.exports = {} model (James M Snell) #11406

• [88c3f57cc3] - (SEMVER-MAJOR) lib: refactor internal/socket_list (James M Snell) #11406

• [f04387e9f2] - (SEMVER-MAJOR) lib: refactor internal/freelist (James M Snell) #11406

• [d61a511728] - (SEMVER-MAJOR) lib: refactor internal/linkedlist (James M Snell) #11406

• [2ba4eeadbb] - (SEMVER-MAJOR) lib: remove simd support from util.format() (Ben Noordhuis) #11346

• [dfdd911e17] - (SEMVER-MAJOR) lib: deprecate node --debug at runtime (Josh Gavant) #10970

• [5de3cf099c] - (SEMVER-MAJOR) lib: add static identifier codes for all deprecations (James M Snell) #10116

• [4775942957] - (SEMVER-MAJOR) lib, test: fix server.listen error message (Joyee Cheung) #11693

• [caf9ae748b] - (SEMVER-MAJOR) lib,src: make constants not inherit from Object (Sakthipriyan Vairamani (thefourtheye)) #10458

• [e0b076a949] - (SEMVER-MAJOR) lib,src,test: update --debug/debug-brk comments (Ben Noordhuis) #12495

• [5b63fabfd8] - (SEMVER-MAJOR) src: update NODE_MODULE_VERSION to 55 (Michaël Zasso) #12784

• [a16b570f8c] - (SEMVER-MAJOR) src: add --pending-deprecation and NODE_PENDING_DEPRECATION (James M Snell) #11968

• [faa447b256] - (SEMVER-MAJOR) src: allow ArrayBufferView as instance of Buffer (Timothy Gu) #12223

• [47f8f7462f] - (SEMVER-MAJOR) src: remove support for --debug (Jan Krems) #12197

• [a5f91ab230] - (SEMVER-MAJOR) src: throw when -c and -e are used simultaneously (Teddy Katz) #11689

• [8a7db9d4b5] - (SEMVER-MAJOR) src: add --use-bundled-ca --use-openssl-ca check (Daniel Bevenius) #12087

• [ed12ea371c] - (SEMVER-MAJOR) src: update inspector code to match upstream API (Michaël Zasso) #11752

• [89d8dc9afd] - (SEMVER-MAJOR) src: update NODE_MODULE_VERSION to 54 (Michaël Zasso) #11752

• [be98f26917] - (SEMVER-MAJOR) src: exclude node_root_certs when use-def-ca-store (Daniel Bevenius) #11939

• [1125c8a814] - (SEMVER-MAJOR) src: fix typos in node_lttng_provider.h (Benjamin Fleischer) #11723

• [aae8f683b4] - (SEMVER-MAJOR) src: update NODE_MODULE_VERSION to 53 (Michaël Zasso) #10992

• [91ab09fe2a] - (SEMVER-MAJOR) src: update NODE_MODULE_VERSION to 52 (Michaël Zasso) #9618

• [334be0feba] - (SEMVER-MAJOR) src: fix space for module version mismatch error (Yann Pringault) #10606

• [45c9ca7fd4] - (SEMVER-MAJOR) src: remove redundant spawn/spawnSync type checks (cjihrig) #8312

• [b374ee8c3d] - (SEMVER-MAJOR) src: add handle check to spawn_sync (cjihrig) #8312

• [3295a7feba] - (SEMVER-MAJOR) src: allow getting Symbols on process.env (Anna Henningsen) #9631

• [1aa595e5bd] - (SEMVER-MAJOR) src: throw on process.env symbol usage (cjihrig) #9446

• [a235ccd168] - (SEMVER-MAJOR) src,test: debug is now an alias for inspect (Ali Ijaz Sheikh) #11441

• [23fc082409] - (SEMVER-MAJOR) test: remove extra console output from test-os.js (James M Snell) #12654

• [59c6230861] - (SEMVER-MAJOR) test: cleanup test-child-process-constructor.js (cjihrig) #12348

• [06c29a66d4] - (SEMVER-MAJOR) test: remove common.fail() (Rich Trott) #12293

• [0c539faac3] - (SEMVER-MAJOR) test: add common.getArrayBufferViews(buf) (Timothy Gu) #12223

• [c5d1851ac4] - (SEMVER-MAJOR) test: drop v5.x-specific code path from simd test (Ben Noordhuis) #11346

• [c2c6ae52ea] - (SEMVER-MAJOR) test: move test-vm-function-redefinition to parallel (Franziska Hinkelmann) #9618

• [5b30c4f24d] - (SEMVER-MAJOR) test: refactor test-child-process-spawnsync-maxbuf (cjihrig) #10769

• [994617370e] - (SEMVER-MAJOR) tools: update test-npm.sh paths (Kat Marchán) #12936

• [6f202ef857] - (SEMVER-MAJOR) tools: remove assert.fail() lint rule (Rich Trott) #12293

• [615789b723] - (SEMVER-MAJOR) tools: enable ES2017 syntax support in ESLint (Michaël Zasso) #11210

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