OTP 17.3 has been released!

OTP 17.3 Readme File

OTP 17.3 Source File (63.9 MB)

OTP 17.3 Windows 32-bit Binary File (90.8 MB)

OTP 17.3 Windows 64-bit Binary File (91.0 MB)

OTP 17.3 HTML Documentation File (31.8 MB)

OTP 17.3 Man Pages File (1.2 MB)

Erlang/OTP 17.3 is a service release on the 17 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:
  •  erts: Introduced enif_schedule_nif() which allows a long running NIF to be broken into separate NIF invocations without the help of a wrapper function written in Erlang
  • common_test: Experimental support for running Quickcheck and PropEr tests from common_test suites is added. Examples of usage in the suites for the ssh and inets applications
  • Bugfixes and minor new features in applications such as asn1, erts, kernel, stdlib, diameter, ssh, mnesia, ssl, jinterface
Many thanks to 20 different contributors in this release.
Some of  the functions related to multi core scalability is developed as part of the EU FP7, RELEASE project.
You can find more detailed info in the README.

Additional Packages

Erlang/OTP is also distributed in pre built packages courtesy of Erlang Solutions.
There are pre built packages for platforms such as: Raspbian, Ubuntu, Fedora, OS X, and more!.
Erlang Solutions Downloads page


Erlang/OTP is distributed under the Erlang Public License (EPL) that is a derivative work of the Mozilla Public License (MPL). It contains terms which differ from MPL, mainly in terms of jurisdiction. The license is constructed in accordance with the laws of Sweden.

To help you understand the legal text there is an EPL Translation. The legal text is the license, so if you have any doubts, refer to the legal text.

Available releases

PDF files are included in the Windows installer and in the HTML documentation tarballs, starting with the R13B03 release.

There is a file containing MD5 checksums for all files in the download directory, also reachable through rsync

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