2018.09.22, Version 1.23.1 (Stable) Changes since version 1.23.0: * unix,win: limit concurrent DNS calls to nthreads/2 (Anna Henningsen) * doc: add addaleax to maintainers (Anna Henningsen) * doc: add missing slash in stream.rst (Emil Bay) * unix,fs: use utimes & friends for uv_fs_utime (Jeremiah Senkpiel) * unix,fs: remove linux fallback from utimesat() (Jeremiah Senkpiel) * unix,fs: remove uv__utimesat() syscall fallback (Jeremiah Senkpiel) * doc: fix argument name in tcp.rts (Emil Bay) * doc: notes on running tests, benchmarks, tools (Jamie Davis) * linux: remove epoll syscall wrappers (Ben Noordhuis) * linux: drop code path for epoll_pwait-less kernels (Ben Noordhuis) * Partially revert "win,code: remove GetQueuedCompletionStatus-based poller" (Jameson Nash) * build: add compile for android arm64/x86/x86-64 (Andy Zhang) * doc: clarify that some remarks apply to windows (Bert Belder) * test: fix compiler warnings (Jamie Davis) * ibmi: return 0 from uv_resident_set_memory() (dmabupt) * win: fix uv_udp_recv_start() error translation (Ryan Liptak) * win,doc: improve uv_os_setpriority() documentation (Bartosz Sosnowski) * test: increase upper bound in condvar_5 (Jamie Davis) * win,tty: remove deadcode (Jameson Nash) * stream: autodetect direction (Jameson Nash)