显著变化

• cli：
  • 添加了一个新标志（--trace-uncaught），该标志使Node.js
    在引发未捕获的异常时（而不是在创建Error对象时，如果有的话）打印堆栈跟踪。默认情况下禁用此功能，
    因为它会影响GC行为（Anna Henningsen）＃30025。
• 加密：
  • 新增Hash.prototype.copy()方法。它返回一个新Hash对象，
    其内部状态从原始对象（Ben Noordhuis）＃29910中克隆。
• dgram：
  • 添加了特定于源的多播支持。这会将函数添加到 sockets 数据中，以支持针对IPv4 和IPv6的RFC 4607
    （Lucas Pardue）＃15735。
• fs：
  • 为添加了一个bufferSize选项fs.opendir()。它允许控制从
    目录中读取时在内部缓冲的条目的数量（Anna Henningsen）＃30114。

其他64个不显著的更新：

• [445837851b] - async_hooks: only emit after for AsyncResource if stack not empty (Anna Henningsen) #30087
• [8860bd68b6] - buffer: improve performance caused by primordials (Jizu Sun) #30235
• [1bded9841c] - build: fix detection of Visual Studio 2017 (Richard Lau) #30119
• [49e7f042f9] - build: add workaround for WSL (gengjiawen) #30221
• [03827ddf38] - build: allow Python 3.8 (Michaël Zasso) #30194
• [54698113c0] - build: find Python syntax errors in dependencies (Christian Clauss) #30143
• [b255688d5f] - build: fix pkg-config search for libnghttp2 (Ben Noordhuis) #30145
• [8980d8c25f] - build: vcbuild uses default Python, not Py2 (João Reis) #30091
• [cedad02406] - build: prefer python 3 over 2 for configure (Sam Roberts) #30091
• [5ba842b8f9] - build: python3 support for configure (Rod Vagg) #30047
• [d05f67caef] - cli: whitelist new V8 flag in NODE_OPTIONS (Shelley Vohr) #30094
• [5ca58646c1] - (SEMVER-MINOR) cli: add --trace-uncaught flag (Anna Henningsen) #30025
• [8b75aabee9] - crypto: guard with OPENSSL_NO_GOST (Shelley Vohr) #30050
• [1d03df4c5e] - (SEMVER-MINOR) crypto: add Hash.prototype.copy() method (Ben Noordhuis) #29910
• [46c9194ec8] - deps: V8: cherry-pick a7dffcd767be (Christian Clauss) #30218
• [104bfb9a38] - deps: V8: cherry-pick e5dbc95 (Gabriel Schulhof) #30130
• [e3124481c2] - deps: update npm to 6.12.1 (Michael Perrotte) #30164
• [f3d00c594d] - deps: V8: backport 777fa98 (Michaël Zasso) #30062
• [1cfa98c23e] - deps: V8: cherry-pick c721203 (Michaël Zasso) #30065
• [0d9ae1b8f6] - deps: V8: cherry-pick ed40ab1 (Michaël Zasso) #30064
• [a63f7e73c4] - (SEMVER-MINOR) dgram: add source-specific multicast support (Lucas Pardue) #15735
• [fc407bb555] - doc: add missing hash for header link (Nick Schonning) #30188
• [201a60e6ba] - doc: linkify .setupMaster() in cluster doc (Trivikram Kamat) #30204
• [b7070f315f] - doc: explain http2 aborted event callback (dev-313) #30179
• [f8fb2c06c5] - doc: linkify .fork() in cluster documentation (Anna Henningsen) #30163
• [ae81360214] - doc: update AUTHORS list (Michaël Zasso) #30142
• [1499a72a1f] - doc: improve doc Http2Session:Timeout (dev-313) #30161
• [3709b5cc7e] - doc: move inactive Collaborators to emeriti (Rich Trott) #30177
• [a48d17900b] - doc: add options description for send APIs (dev-313) #29868
• [dfb4a24695] - doc: fix an error in resolution algorithm steps (Alex Zherdev) #29940
• [403a648a16] - doc: fix numbering in require algorithm (Jan Krems) #30117
• [e4ab6fced1] - doc: remove incorrect and outdated example (Tobias Nießen) #30138
• [3c23224a76] - doc: adjust code sample for stream.finished (Cotton Hou) #29983
• [d91d270416] - doc: claim NODE_MODULE_VERSION=80 for Electron 9 (Samuel Attard) #30052
• [621eaf9ed5] - doc: remove "it is important to" phrasing (Rich Trott) #30108
• [9a71091098] - doc: revise os.md (Rich Trott) #30102
• [381c6cd0d2] - doc: delete "a number of" things in the docs (Rich Trott) #30103
• [45c70a9793] - doc: remove dashes (Rich Trott) #30101
• [ea9d125536] - doc: add legendecas to collaborators (legendecas) #30115
• [39070bbed0] - doc: make YAML matter consistent in crypto.md (Rich Trott) #30016
• [978946e38b] - doc,meta: prefer aliases and stubs over Runtime Deprecations (Rich Trott) #30153
• [32a538901f] - doc,n-api: sort bottom-of-the-page references (Gabriel Schulhof) #30124
• [07b5584a3f] - (SEMVER-MINOR) fs: add bufferSize option to fs.opendir() (Anna Henningsen) #30114
• [2505f678ef] - http: support readable hwm in IncomingMessage (Colin Ihrig) #30135
• [f01c5c51b0] - inspector: turn platform tasks that outlive Agent into no-ops (Anna Henningsen) #30031
• [050efebf24] - meta: use contact_links instead of issue templates (Michaël Zasso) #30172
• [edfbee3727] - module: resolve self-references (Jan Krems) #29327
• [93b1bb8cb5] - n-api,doc: add info about building n-api addons (Jim Schlight) #30032
• [cc1cd2b3c5] - src: isolate->Dispose() order consistency (Shelley Vohr) #30181
• [a0df91cce1] - (SEMVER-MINOR) src: expose granular SetIsolateUpForNode (Shelley Vohr) #30150
• [ec7b69ff05] - src: change env.h includes for forward declarations (Alexandre Ferrando) #30133
• [98c8f76dd1] - src: split up InitializeContext (Shelley Vohr) #30067
• [d78e3176dd] - src: fix crash with SyntheticModule#setExport (Michaël Zasso) #30062
• [fd0aded233] - src: allow inspector without v8 platform (Shelley Vohr) #30049
• [87f14e13b3] - stream: extract Readable.from in its own file (Matteo Collina) #30140
• [1d9f4278dd] - test: use arrow functions for callbacks (Minuk Park) #30069
• [a03809d7dd] - test: verify npm compatibility with releases (Michaël Zasso) #30082
• [68e4b5a1fc] - tools: fix Python 3 deprecation warning in test.py (Loris Zinsou) #30208
• [348ec693ac] - tools: fix Python 3 syntax error in mac_tool.py (Christian Clauss) #30146
• [e2fb353df3] - tools: use print() function in buildbot_run.py (Christian Clauss) #30148
• [bcbcce5983] - tools: undefined name opts -> args in gyptest.py (Christian Clauss) #30144
• [14981f5bba] - tools: git rm -r tools/v8_gypfiles/broken (Christian Clauss) #30149
• [d549a34597] - tools: update ESLint to 6.6.0 (Colin Ihrig) #30123
• [a3757546e8] - tools: doc: improve async workflow of generate.js (Theotime Poisseau) #30106