Erlang/OTP 19.2 is a service release containing mostly bug fixes, as well as a number of new features and characteristics improvements.

OTP 19.2 Readme File

OTP 19.2 Source File (101028910)

OTP 19.2 Windows 32-bit Binary File (101028910)

OTP 19.2 Windows 64-bit Binary File (101891457)

OTP 19.2 HTML Documentation File (34761971)

OTP 19.2 Man Pages File (1409661)

Some highlights for 19.2

  • STDLIB: The new behaviour gen_statem has been improved with 3 new features: the possibility to use old style non-proxy timeouts for gen_statem:call/2,3, state entry code, and state timeouts. These are backwards compatible. Minor code and documentation improvements has been performed including a borderline semantics correction of timeout zero handling.
  • SSL: Experimental version of DTLS. It is runnable but not complete and cannot be considered reliable for production usage. To use DTLS add the option {protocol, dtls} to ssl:connect and ssl:listen.
  • SSH: Extended the option silently_accept_hosts for ssh:connect to make it possible for the client to check the SSH host key fingerprint string. Se the reference manual for SSH.
  • ~40 contributions since the previous service release OTP 19.1

 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 part
of the distribution.

The Erlang/OTP source can also be found at GitHub on the official Erlang
repository, with tag OTP-19.2

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 reports!

Thank you!

The Erlang/OTP Team at Ericsson

Compiling Erlang from source

You can build Erlang from source on your own, following the building and installation instructions. Or use the Kerl script. Kerl is a script that lets you easily build Erlang with a few commands. Follow the instructions to build.

Finding a source version

Follow this link that presents all released source versions, a link to the GitHub source tag, and to the README.

Pre-built Binary Packages

Most OS package managers provide pre-built binary packages. You can also download the latest stable releases from Erlang Solutions. Erlang Solutions provides pre-built binary packages for OS X, Windows, Ubuntu, Debian, Fedora, CentOS, Raspbian and other operating systems. 

  • For Homebrew on OS X: brew install erlang
  • For MacPorts on OS X: port install erlang
  • For Ubuntu and Debianapt-get install erlang
  • For Fedorayum install erlang
  • For FreeBSDpkg install erlang


Since OTP 18.0, Erlang/OTP is released under Apache License 2.0. The older releases prior to 18.0 were released under Erlang Public License (EPL), a derivative work of the Mozilla Public License (MPL).