This is R16B01, the first maintenance release for the R16B major release.Erlang/OTP R16B01 has been released!See the Readme file and the Documentation for more details.

OTP R16B01 Readme File

OTP R16B01 Source File (94625856)

OTP R16B01 Windows 32-bit Binary File (94625856)

OTP R16B01 Windows 64-bit Binary File (95834432)

OTP R16B01 HTML Documentation File (33129717)

OTP R16B01 Man Pages File (1316676)


  • Migration of memory carriers between allocator instances, when enabled it will result in reduced memory footprint when the memory load is unevenly distributed between scheduler specific allocator instances.
  • Interruptible term_to_binary, (thanks to Erik Stenman)
  • Added the +sfwi <interval> Scheduler Forced Wakeup Interval
  • All crypto functions except the block chipers will now chunk large input into several calls to avoid blocking the scheduler for too long.
  • Elliptic curve support in crypto, ssl and ssh(thanks to Andreas Schultz)  
  • Lift static limitation (FD_SETSIZE) for file descriptors on Mac OS X. (thanks to Anthony Ramine)
  • Removed a lock around GC statistics counter
  • Many small improvements and in Diameter
  • 60 user contributions

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