[erlang-questions] Patch package OTP 21.1 released

[Henrik Nord X]

Erlang/OTP 21.1 is the first service release for the 21 major release
with new features, improvements as well as a few features!

Highlights
SSH:
 The cipher 'chacha20-poly1305@REDACTED' is now  supported if
OpenSSL 1.1.1 or higher is used as cryptolib.
 The key exchange methods 'curve25519-sha256@REDACTED', 'curve25519-
sha256' and 'curve448-sha512' are implemented. 
 They all depends on that OpenSSL 1.1.1 or higher used as cryptolib.
Crypto:
Typing in crypto and public_key applications are reworked and
corrected.
New chapter on Algorithm details in the User's guide
ERTS, Kernel:
The socket options recvtos, recvttl, recvtclass and pktoptions have
been implemented in the socket modules. 
Se documentation in gen_tcp, gen_udp and inet modules for more info!


For more details see:
http://erlang.org/download/otp_src_21.1.readme

Pre built versions for Windows can be fetched here:
http://erlang.org/download/otp_win32_21.1.exe
http://erlang.org/download/otp_win64_21.1.exe

Online documentation can be browsed here:
http://erlang.org/documentation/doc-10.1/doc

The Erlang/OTP source can also be found at GitHub on the official
Erlang repository, Here: OTP-21.1


Please report any new issues via Erlang/OTPs public issue tracker
https://bugs.erlang.org
  System Dashboard - Erlang Programming Language bugs.erlang.org
Welcome to Erlang Programming Language. What is bugs.erlang.org? Here
you report bugs in Erlang/OTP, suggestions for new features and
improvements.
We want to thank all of those who sent us patches, suggestions and bug
reports!
 
Thank you!
 
The Erlang/OTP Team at Ericsson