[erlang-questions] Erlang/OTP 18.1 has been released!

Henrik Nord X henrik.x.nord@REDACTED
Wed Sep 23 13:15:25 CEST 2015

Erlang/OTP 18.1 is a service release on the 18 track with mostly bug 
fixes, but is does contain a number of new features and characteristics 
improvements as well.

Some highlights of the release are:

  * ssl: Add possibility to downgrade an SSL/TLS connection to a tcp
    connection, and give back the socket control to a user process.

  * ssh: The following new key exchange algorithms are
    implemented:'ecdh-sha2-nistp256', 'ecdh-sha2-nistp384',
    'diffie-hellman-group-exchange-sha1' and
    'diffie-hellman-group-exchange-sha256'. This raises the security
    level considerably.

  * kernel,stdlib,sasl: A mechanism for limiting the amount of text that
    the built-in error logger events will produce has been introduced.
    It is useful for limiting both the size of log files and the CPU
    time used to produce them.
    This mechanism is experimental in the sense that it may be changed
    based on feedback. See config parameter error_logger_format_depth in
    the Kernel application.

You can find the Release Notes with more detailed info at


You can download the full source distribution from 

Note: To unpack the TAR archive you need a GNU TAR compatible program. 
For installation instructions please read the README that is part of the 

You can also find the source code at github.com <http://github.com> in 
the official Erlang repository. Git tag OTP-18.1

The Windows binary distributions can be downloaded from



You can also download the complete HTML documentation or the Unix manual 


You can also read the documentation on-line here:
(see the Release Notes mentioned above for release notes which
are not updated in the doc, but the new functionality is)


We also want to thank those that sent us patches, suggestions and bug 

The Erlang/OTP Team at Ericsson

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