OTP 21.1

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

Highlights

SSH:

• The cipher 'chacha20-poly1305@openssh.com' is now supported if OpenSSL 1.1.1 or higher is used as cryptolib.
• The key exchange methods 'curve25519-sha256@libssh.org', '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 We want to thank all of those who sent us patches, suggestions and bugreports! Thank you! The Erlang/OTP Team at Ericsson