[erlang-patches] Information Release dates and patching summary

Dave Smith <>
Thu Feb 20 15:43:12 CET 2014

This is an excellent step in direction of further transparency and
community engagement. I realize it also bears an increased load on the
Erlang/OTP team, so thank you for being willing to do this. :)


On Thu, Feb 20, 2014 at 6:41 AM, Henrik Nord <> wrote:
> Hello Erlang-patches!
> This is a summary email that will be sent out to the erlang-patches list
> from time to time. In this email you will find information regarding
> code-stops, release dates, and useful links to ease your patching.
> I will also take this opportunity to describe our way of working and
> testing.
> Below you can find the planned release dates, and code stop dates for 17.0.
> Note: We will not accept any NEW feature patches for inclusion in Erlang/OTP
> 17.0 after 2014-02-21.
> Preliminary dates for the upcoming release:
> Release:         erts, emu,comp  |Code stop           |Documentation stop
> |Release Date
> 17.0-rc2         2014-02-21         2014-02-21         2014-02-21
> 2014-02-26
> 17.0                2014-03-10         2014-03-17         2014-03-19
> 2014-03-26
> We will focus the time between 17.0-rc2 and 17.0 on bug fixes, improvements,
> and testing. Therefore you are most welcome to submit patches regarding such
> issues and we will try our best to include them before 17.0 is released.
> Especially bugs introduced in 17.0-rcX.
> Make sure to look at our Github wiki page before submitting a patch to
> Erlang/OTP
> https://github.com/erlang/otp/wiki
> We also have a page on Erlang.org concerning the status of submitted patches
> http://www.erlang.org/development/
> There you can find information about patches that are "awaiting_action",
> Waiting for the topic author to correct one thing or another.
> Assigned to a team within Erlang/OTP, to be reviewed and approved/dropped.
> Or scroll through the list of graduated patches since R16B.
> We currently have ~25 patches that are "awaiting_action".
> There is a total of 27 patches that are assigned to a developer or a team,
> awaiting their review. And we have 5 patches that are approved but still
> needs to pass our nightly builds and tests.
> After a request from the Industrial Erlang User Group, we started using
> Github pull requests for accepting patches into Erlang/OTP. This has
> resulted in over 200 pull requests sent in less than 8 months of accepting
> pull requests.
> We are looking into ways of improving this especially in regards to
> information preservation.
> To facilitate a faster review process please make sure that your commit
> message conforms to the rules at the github wiki page.
> https://github.com/erlang/otp/wiki/Writing-good-commit-messages
> Make sure that your code compiles.
> Make sure that all tests for the changed application pass.
> If applicable you will be asked to add tests and documentation for your
> patch.
> We currently test on ~60 different setups, including but not limited to Bsd,
> linux, solaris, darwin and windows. This includes different hardware as well
> as software. This sums up to about ~850 000 test cases each night. We also
> run dialyzer and cover.
> Unfortunately the test coverage is not 100% in all tools and applications.
> Some tools and applications have bad or missing tests. This is something we
> aim to improve and you are all invited to help by submitting patches in
> these areas.
> When we are aiming for a new major release, as we currently are, all
> platforms tests the master branch. When we are releasing a minor version, we
> have a reasonable split amongst the test platforms so that we still run
> tests for the master branch and new features.
> All builds consists of a mix of internal development branches, and open
> source contributions. This limits the amount of open source branches we are
> willing to test at the same time. We do not wish them to interfere with our
> branches or other open source branches.
> This might be another reason as to why your branch is not tested for a few
> days.
> Useful links
> https://github.com/erlang/otp/wiki
> http://www.erlang.org/development/
> https://github.com/erlang/otp/wiki/Writing-good-commit-messages
> --
> /Henrik Nord Erlang/OTP
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> erlang-patches mailing list
> http://erlang.org/mailman/listinfo/erlang-patches

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