2018-09-11, Version 8.12.0 'Carbon' (LTS)

Notable Changes:

* async_hooks:
  - rename PromiseWrap.parentId (Ali Ijaz Sheikh)
    https://github.com/nodejs/node/pull/18633
  - remove runtime deprecation (Ali Ijaz Sheikh)
    https://github.com/nodejs/node/pull/19517
  - deprecate unsafe emit{Before,After} (Ali Ijaz Sheikh)
    https://github.com/nodejs/node/pull/18513
* cluster:
  - add cwd to cluster.settings (cjihrig)
    https://github.com/nodejs/node/pull/18399
  - support windowsHide option for workers (Todd Wong)
    https://github.com/nodejs/node/pull/17412
* crypto:
  - allow passing null as IV unless required (Tobias Nießen)
    https://github.com/nodejs/node/pull/18644
* deps:
  - upgrade npm to 6.2.0 (Kat Marchán)
    https://github.com/nodejs/node/pull/21592
  - upgrade libuv to 1.19.2 (cjihrig)
    https://github.com/nodejs/node/pull/18918
  - Upgrade node-inspect to 1.11.5 (Jan Krems)
    https://github.com/nodejs/node/pull/21055
* fs,net:
  - support as and as+ flags in stringToFlags() (Sarat Addepalli)
    https://github.com/nodejs/node/pull/18801
  - emit 'ready' for fs streams and sockets (Sameer Srivastava)
    https://github.com/nodejs/node/pull/19408
* http, http2:
  - add options to http.createServer() (Peter Marton)
    https://github.com/nodejs/node/pull/15752
  - add 103 Early Hints status code (Yosuke Furukawa)
    https://github.com/nodejs/node/pull/16644
  - add http fallback options to .createServer (Peter Marton)
    https://github.com/nodejs/node/pull/15752
* n-api:
  - take n-api out of experimental (Michael Dawson)
    https://github.com/nodejs/node/pull/19262
* perf_hooks:
  - add warning when too many entries in the timeline (James M Snell)
    https://github.com/nodejs/node/pull/18087
* src:
  - add public API for managing NodePlatform (Cheng Zhao)
    https://github.com/nodejs/node/pull/16981
  - allow --perf-(basic-)?prof in NODE\_OPTIONS (Leko)
    https://github.com/nodejs/node/pull/17600
  - node internals' postmortem metadata (Matheus Marchini)
    https://github.com/nodejs/node/pull/14901
* tls:
  - expose Finished messages in TLSSocket (Anton Salikhmetov)
    https://github.com/nodejs/node/pull/19102
* **trace_events**:
  - add file pattern cli option (Andreas Madsen)
    https://github.com/nodejs/node/pull/18480
* util:
  - implement util.getSystemErrorName() (Joyee Cheung)
    https://github.com/nodejs/node/pull/18186

PR-URL: https://github.com/nodejs/node/pull/21593