This is the original R9B release, R9B-0. You can download the full source distribution from http://www.erlang.org/download/otp_src_R9B-0.tar.gz http://www.erlang.org/download/otp_src_R9B-0.readme (this file) If you have access to the Ericsson intranet you can find the same files at http://erlang.ericsson.se/opensource/download/ Note that to unpack the TAR archive you need a GNU TAR compatible program. For example on MacOS X you need to use the 'gnutar' command, you can't use the 'tar' command or StuffIt to unpack the sources. For installation instructions please read the README that is part of the distribution. There is no support for building a Windows version from source. The Windows binary distribution can be downloaded from http://www.erlang.org/download/otp_win32_R9B-0.exe The documentation at http://www.erlang.org will be updated. You can also download the complete HTML documentation or the Unix manual files http://www.erlang.org/download/otp_html_R9B-0.tar.gz http://www.erlang.org/download/otp_man_R9B-0.tar.gz For some OTP applications there are more detailed release notes in the HTML documentation. We also want to thank those that sent us patches, suggestions and bug reports, The OTP Team