[Release-testers] [Openmp-dev] RFC: Upcoming release schedules and creating a formal schedule for future releases

[David Greene via Release-testers]

If the branch date for LLVM 12 is Jan. 26, do we have a goal date for
the final LLVM 12 release?

                   -David

Hans Wennborg via Openmp-dev <openmp-dev at lists.llvm.org> writes:

> This sounds good to me (maybe spell out roughly what date 2.0.0-rc1
> would be to make it easier to get an overview).
>
> Thanks,
> Hans
>
> On Tue, Jan 5, 2021 at 5:33 AM Tom Stellard via Openmp-dev
> <openmp-dev at lists.llvm.org> wrote:
>>
>> Hi,
>>
>> I want to give an update on the status of the LLVM 11 and LLVM 12
>> releases.  11.0.1-final is expected to be tagged this week, along with
>> 11.1.0-rc1.  Unfortunately, we had an ABI regression in libclang.so
>> between LLVM 10 and LLVM 11, so we need to do an 11.1.0 release to
>> correct this.  This happened one other time where we had to bump the
>> minor version to correct an ABI breakage.  So, LLVM 11.0.1 libclang will
>> be ABI compatible with LLVM 11, and LLVM 11.1.0 libclang will be ABI
>> compatible  with LLVM != 11.
>>
>> For LLVM 12 the proposed branch date is Jan 26.  I'm hoping we will have
>> the 2 LLVM 11.x releases done before that.
>>
>> In addition to all this, I would like to propose an official
>> week-of-the-year based release schedule that we can use for all future
>> releases.  What I'm proposing is not really any different in terms of
>> dates from what we've been doing for the last several years.  My main
>> goal is just to get this documented so it's clear to the community and
>> the release managers what the expectations are.  Here is the proposed
>> scheduled:
>>
>> 1.0.0-rc1   4th Tue in January
>> 1.0.0-rc2   + 4 Weeks
>> 1.0.0-final + 2 Weeks  (10th Tuesday ~mar 9)
>> 1.0.1-rc1   + 4 Weeks
>> 1.0.1-rc2   + 4 Weeks
>> 1.0.1-final + 2 Weeks  (20th Tuesday ~may 18)
>>
>> 2.0.0-rc1   + 10 Weeks (+26 Weeks From 1.0.0-rc1)
>> 2.0.0-rc2   +  4 Weeks
>> 2.0.0-final +  2 weeks (36th Tuesday ~sep 7)
>> 2.0.1-rc1   +  4 weeks
>> 2.0.1-rc2   +  4 weeks
>> 2.0.1-final +  2 weeks (46th Tuesday ~nov 16
>>
>> The release branches will be created on the same day as -rc1.
>>
>> If there are no objections to this, I will add it to the documentation
>> next week.
>>
>> -Tom
>>
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