[erlang-questions] [ANN] Erlang/OTP 17.0-rc2 has been released.

Joe Armstrong <>
Thu Feb 27 22:51:01 CET 2014


The build process is a lot cleaner now - very nice, I pleased to see you
got rid
of loads of messy output messages during the build.


On Thu, Feb 27, 2014 at 4:33 PM, Kenneth Lundin <>wrote:

> Erlang/OTP 17.0-rc2 has been released.
> This is a beta release, which will be followed by the final OTP 17.0
> product release in the beginning of April.
> Between this beta and the final release there will be new updates of the
> master branch with corrections and minor new features. Occasionally there
> might be new tags which we in that case will communicate and ask you to
> test.
> Erlang/OTP 17.0 is a new major release with new features, quite a few
> (characteristics) improvements, as well as some incompatibilities. See the
> README file and the documentation for more details.
> We would like to ask you to download and test the beta release and send us
> your feedback as soon as possible, so that we can make the necessary
> corrections before OTP 17.0.
> The release contains many changes and a few potential incompatibilities.
> Please try to build and run your current products/applications and let us
> know about any problems.
> One known, but previously insufficiently documented incompatibility that
> we would like to highlight is:
> OTP-11719 == erts ==
> *The default encoding of Erlang files has been changed from ISO-8859-1 to
> UTF-8. The encoding of XML files has also been changed to UTF-8.*
> Please verify that your source code compiles with Erlang/OTP 17. If your
> (ISO-8559-1 / Latin-1 encoded) source code files contain characters that
> are outside of the bit 7-bit ASCII character set, you will receive a
> compiler error similar to the following:
> tst.erl:1: cannot parse file, giving up
> tst.erl:1: no module definition
> tst.erl:1: cannot translate from UTF-8
>  In this case, you need to apply one of the following alternatives to each
> (impacted) file:
> Alternative 1: Encode the file in UTF-8 (instead of Latin-1). If the file
> is going to be compiled with both OTP 17 and previous versions, insert a
> comment stating the encoding at the beginning of the file:
>    %% -*- coding: utf-8 -*-
>  Alternative 2: Leave the file encoded as Latin-1 and insert a comment
> stating the encoding at the beginning of the file:
>    %% -*- coding: latin-1 -*-
>  For detailed information, see the STDLIB User's Guide, 2 Using Unicode
> in Erlang <http://www.erlang.org/doc/apps/stdlib/unicode_usage.html>
> The 17.0 release contains many changes; thus, some unexpected
> incompatibilities or issues may have slipped through our tests. Please try
> to build and run your current products/applications and let us know about
> any problems.
> Note! The new datatype MAP is not properly documented yet but the EEP 43
> https://www.erlang.org/eeps/eep-0043.html will provide a good start. Also
> note that it is a limited implementation of maps implemented so far:
>    - no variable keys are allowed
>    - native code can not be generated for modules using maps
>  Some other highlights of the release are:
>    - Erlang/OTP has been ported to the realtime operating system OSE.
>    - Maps, a new dictionary data type (experimental)
>    - A more natural mapping from ASN.1 OCTET STRING and BIT STRING to
>    Erlang types, and other ASN.1 improvements and optimizations
>    - The {active, N} socket option for TCP, UDP, and SCTP
>    - A new (optional) scheduler utilization balancing mechanism
>    - Migration of memory carriers has been enabled by default on all ERTS
>    internal memory allocators
>    - Increased garbage collection tenure rate
>    - Experimental "dirty schedulers" functionality
>    - Funs can now be given names
>    - Miscellaneous unicode support enhancements
>    - A new, semantic version scheme for OTP and its applications
>  You can find the README file with more detailed info at
> http://www.erlang.org/download/otp_src_17.0-rc2.readme
> You can download the full source distribution from
> http://www.erlang.org/download/otp_src_17.0-rc2.tar.gz
> Note: To unpack the TAR archive you need a GNU TAR compatible program. For
> installation instructions pleaseErlang/OTP 17.0-rc2 has been released. read
> the README that is part of the distribution.
> You can also find this release at the official Erlang/OTP Git-repository
> at Github here: https://github.com/erlang/otp tagged *OTP_17.0-rc2*
> The Windows binary distribution can be downloaded from
> http://www.erlang.org/download/otp_win32_17.0-rc2.exe
> http://www.erlang.org/download/otp_win64_17.0-rc2.exe
> You can also download the complete HTML documentation or the Unix manual
> files http://www.erlang.org/download/otp_doc_html_17.0-rc2.tar.gz
> http://www.erlang.org/download/otp_doc_man_17.0-rc2.tar.gz
> We also want to thank those that sent us patches, suggestions and bug
> reports.
> The Erlang/OTP Team at Ericsson
> _______________________________________________
> erlang-questions mailing list
> http://erlang.org/mailman/listinfo/erlang-questions
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://erlang.org/pipermail/erlang-questions/attachments/20140227/2f8bf8b2/attachment.html>

More information about the erlang-questions mailing list