Erlang/OTP 18.3 has been released

OTP 18.3 Readme File

OTP 18.3 Source File (99795429)

OTP 18.3 Windows 32-bit Binary File (99795429)

OTP 18.3 Windows 64-bit Binary File (101205253)

OTP 18.3 HTML Documentation File (34285271)

OTP 18.3 Man Pages File (1395166)

Some highlights of the release are:

  • New statistics info about runnable and active processes & ports. 
    Call erlang:statistics with total_run_queue_lengths | run_queue_lengths | total_active_tasks | active_tasks.
  • Time warp improvements: dbg:p/2 and erlang:trace/3 with monotonic_timestamp | strict_monotonic_timestamp.
  • Introduced a validation callback for heart.
  • The module overload in sasl has been deprecated.
  • ~90 contributions since 18.2

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.

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).

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