Erlang/OTP 20.2 is released
Written by Henrik, 13 Dec 2017

Erlang/OTP 20.2 is the second service release for the 20 major release.
The service release contains mostly bug fixes and characteristics
improvements but also some new features.
Some highlights for 20.2
  • crypto, ssl
               The crypto API is extended to use private/public keys
               stored in an Engine for sign/verify or encrypt/decrypt
               The ssl application provides an API to use this new
               engine concept in TLS.
  • ssh
               SSH can now fetch the host key from the private keys
               stored in an Engine. See the crypto application for
               details about Engines.
  •  ssl
               A new command line option -ssl_dist_optfile has been
               added to facilitate specifying the many options needed
               when using SSL as the distribution protocol.
  • stdlib
               Improve performance of the new string functionality
               when handling ASCII characters.
You can find the README and the full listing of changes for this
service release at
The source distribution and binary distributions for Windows can be
downloaded from
Note: To unpack the TAR archive you need a GNU TAR compatible program.
For installation instructions please consult the README file that is
of the distribution.
The Erlang/OTP source can also be found at GitHub on the official
repository, with tag OTP-20.2
The on-line documentation can be found at:
You can also download the complete HTML documentation or the Unix
manual files
Please report any new issues via Erlang/OTPs public issue tracker
We want to thank all of those who sent us patches, suggestions and bug
Thank you!
The Erlang/OTP Team at Ericsson