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add announcement for dropping MacOS<10.13 #1993

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merged 11 commits into from
Aug 23, 2023
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add announcement for dropping MacOS<10.13 #1993

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60c76fa
add announcement for dropping MacOS<10.13
h-vetinari Aug 20, 2023
2222777
optional: add caveat about maintenance being best-effort
h-vetinari Aug 20, 2023
09e4a78
less legalistic
h-vetinari Aug 21, 2023
e64de66
note relevant versions and dates in announcements
h-vetinari Aug 22, 2023
9b48da9
set date to day after core call
h-vetinari Aug 22, 2023
7bfbd46
Reduce
h-vetinari Aug 23, 2023
416d6fb
reflow text; add link to RFC for libcxx
h-vetinari Aug 23, 2023
58398a8
Re-add mention of how we use our own libcxx
h-vetinari Aug 23, 2023
3746134
use less misleading word than "replace"; reduce commas-per-sentence; …
h-vetinari Aug 23, 2023
7f7357e
Update src/user/announcements.rst
beckermr Aug 23, 2023
b6180c2
Update src/user/announcements.rst
beckermr Aug 23, 2023
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18 changes: 18 additions & 0 deletions src/user/announcements.rst
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Expand Up @@ -8,6 +8,24 @@ Our announcements are published to an RSS feed `here <https://conda-forge.org/do
2023
----

2023-08-24: Bumping Minimum MacOS version to 10.13
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

We will bump the minimum MacOS version from 10.9 (released in Oct. 2013, end-of-life since
Dec. 2016) to 10.13 (released Sept. 2017, end-of-life since Dec. 2020). The main reason we
managed to support 10.9 this long at all, is that conda-forge is able to ship an up-to-date
C++ standard library for OSX, ``libcxx``, superseding the old one present in the MacOS SDK
on the system (at least from the point-of-view of the respective conda environments).

However, several core packages in the ecosystem now require at least 10.13 (or will very soon),
in a way that we cannot be circumvent. These packages include ``libcxx``,
`starting <https://discourse.llvm.org/t/libc-bumping-minimal-deployment-target-for-building-the-dylib-static-library-on-macos/68912>`_
with version 17.0.
This change will not affect already published artifacts, but in the near future, all new builds
for OSX will require at least 10.13. This constraint will be implemented through the ``__osx``
virtual package, but the details of how we will achieve this are still being worked out. Only conda versions 4.8.0 or newer have this virtual package. If you are using a system with MacOS older than 10.13 and are using conda older than 4.8.0, you will need to either upgrade `conda` to at least `4.8.0` or upgrade your system to at least MacOS 10.13.


2023-07-12: End-of-life for CentOS 6
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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