The third R15 service release - updated

R15B03-1 Readme File

R15B03-1 Source File (72.5 MB)

R15B03-1 Windows 32-bit Binary File (91.3 MB)

R15B03-1 Windows 64-bit Binary File (92.5 MB)

R15B03-1 HTML Documentation File (29.0 MB)

R15B03-1 Man Pages File (1.2 MB)

This is an update of the previously released R15B03. R15B03 contained a bug in ssl that affected accept calls with timeouts. Due to the widespread use of Erlang in i.e. webservers and other network application, we recommend everyone using R15B03 to take this update.

The previously announced incompatibility regarding crashdumps (that ERL_CRASH_DUMP_SECONDS have to be set to get any crash dump at all), is now limited to systems using heart. All other invocations of the Erlang VM will crashdump on fatal errors as they did in R15B02.

Note that systems using heart still has to define a maximum time for crashdumps using the ERL_CRASH_DUMP_SECONDS environment variable. See the readme file for further details.

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


From OTP 18 and above, Erlang/OTP is distributed under Apache License 2.0. The previous versions are 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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