DOC: Update communication channels (#11254)

Author: VeckoTheGecko

CORE_TEAM_GUIDE.md

@@ -274,7 +274,7 @@ resources such as:
 - [python-xarray](https://stackoverflow.com/questions/tagged/python-xarray) on Stack Overflow.
 - The Xarray channel in the [OSSci Zulip](https://ossci.zulipchat.com/)
 - [@xarray_dev](https://x.com/xarray_dev) on X.
-- [xarray-dev](https://discord.gg/bsSGdwBn) discord community (normally only used for remote synchronous chat during sprints).
+- **(superseded by the OSSci Zulip)** [xarray-dev](https://discord.com/invite/wEKPCt4PDu) discord community (normally only used for remote synchronous chat during sprints).
 
 You are not required to monitor any of the social resources.
 

doc/contribute/contributing.rst

@@ -19,9 +19,10 @@ and other ideas are welcome.
 
 If you have any questions on the process or how to fix something feel free to ask us!
 The recommended places to ask questions are `GitHub Discussions <https://github.com/pydata/xarray/discussions>`_
-or the Xarray channel in the `OSSci Zulip <https://ossci.zulipchat.com/#narrow/channel/582428-Xarray>`_. We also have a `Discord <https://discord.com/invite/wEKPCt4PDu>`_ and a
-`mailing list <https://groups.google.com/g/xarray>`_. There is also a
-`"python-xarray" tag on Stack Overflow <https://stackoverflow.com/questions/tagged/python-xarray>`_ which we monitor for questions.
+or the Xarray channel in the `OSSci Zulip <https://ossci.zulipchat.com/#narrow/channel/582428-Xarray>`_.
+
+In the past, we had a `Discord <https://discord.com/invite/wEKPCt4PDu>`_ and a
+`mailing list <https://groups.google.com/g/xarray>`_. Feel free to browse historical conversations there.
 
 We also have a biweekly community call, details of which are announced on the
 `Developers meeting <https://docs.xarray.dev/en/stable/developers-meeting.html>`_.

doc/get-help/help-diagram.rst

@@ -47,7 +47,7 @@ Help Flowchart
             fab:fa-readme <a href="https://docs.dask.org">Dask</a>
             fab:fa-readme <a href="https://corteva.github.io/rioxarray">Rioxarray</a>]):::ansNodefmt
         help([fab:fa-github <a href="https://github.com/pydata/xarray/discussions">Xarray Discussions</a>
-            fab:fa-discord <a href="https://discord.com/invite/wEKPCt4PDu">Xarray Discord</a>
+            fa:fa-globe <a href="https://ossci.zulipchat.com/#narrow/channel/582428-Xarray">OSSci Zulip</a>
             fa:fa-globe <a href="https://discourse.pangeo.io">Pangeo Discourse</a>]):::ansNodefmt
         bug([Let us know:
             fab:fa-github <a href="https://github.com/pydata/xarray/issues">Xarray Issues</a>]):::ansNodefmt
@@ -88,7 +88,7 @@ Flowchart links
 - `Xarray Docs <https://docs.xarray.dev>`__
 - `Stack Exchange <https://stackoverflow.com/questions/tagged/python-xarray>`__
 - `Xarray Discussions <https://github.com/pydata/xarray/discussions>`__
-- `Xarray Discord <https://discord.com/invite/wEKPCt4PDu>`__
+- `OSSci Zulip <https://ossci.zulipchat.com/#narrow/channel/582428-Xarray>`__
 - `Xarray Office Hours <https://github.com/pydata/xarray/discussions/categories/office-hours>`__
 - `Pangeo Discourse <https://discourse.pangeo.io/>`__
 - `Xarray Issues <https://github.com/pydata/xarray/issues>`__

doc/get-help/socials.rst

@@ -5,6 +5,5 @@ Social Media
 
 Xarray is active on several social media platforms. We use these platforms to share updates and connect with the user community.
 
-- `Discord <https://discord.com/invite/wEKPCt4PDu>`__
 - `Bluesky <https://bsky.app/profile/xarray.bsky.social>`__
 - `Twitter(X) <https://x.com/xarray_dev>`__

doc/whats-new.rst

@@ -120,6 +120,8 @@ Bug Fixes
 Documentation
 ~~~~~~~~~~~~~
 
+- Update documentation and team guide to promote Zulip. Remove mentions of Discord (:pull:`11246`, :pull:`11254`).
+  By `Nick Hodgskin <https://github.com/VeckoTheGecko>`_.
 - Fix typos (:pull:`11180`, :pull:`11181`, :pull:`11182`, :pull:`11185`, :pull:`11186`).
   By `Yaocheng Chen <https://github.com/yaochengchen>`_.
 - Fix code blocks on "how to create custom index" doc page (:pull:`11255`).