(Context for the broader wikitech-l audience: Within the WMF, we used a
spreadsheet to quickly assemble the team assignments as a draft for the
wiki page.)

Right -- that spreadsheet is retired now, and the Service Catalog page on
mediawiki.org
<https://www.mediawiki.org/wiki/Wikimedia_Production/Service_Catalog> is
the canonical place. When we need to make changes (as more unowned software
finds a home, and as assignments move around with org changes) we'll make
them on that page.

On Thu, Sep 17, 2026 at 12:07 PM Belinda Liviero via Wikitech-l <
[email protected]> wrote:

> awesome job here!!!!
> From here onwards, do we update the mediawiki/ pages (instead of the
> spreadsheet)?
>
>
> On Thu, Sep 17, 2026 at 11:56 AM Reuven Lazarus via Wikitech-l <
> [email protected]> wrote:
>
>> Greetings everyone!
>>
>> Following up on the April update
>> <https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/AYILLCY2SZMIOS4MSYXKQHSWU2JAGFYR/>
>> from the Code Ownership Working Group on Service Ownership, we wanted to
>> share some progress.
>>
>> Over the past several months, we've worked through the Wikimedia
>> production environment to document services and identify the WMF teams
>> responsible for some of them. That work is now reflected in the *Service
>> Catalog*
>> <https://www.mediawiki.org/wiki/Wikimedia_Production/Service_Catalog>
>> page: it has been updated with team ownership for the services we've
>> assessed so far and incorporates most of the information found on the
>> mw:Developers/Maintainers
>> <https://www.mediawiki.org/w/index.php?title=Wikimedia_Production/Service_Catalog&oldid=8606967>
>> and mw:Upstream_projects
>> <https://www.mediawiki.org/w/index.php?title=Upstream_projects&oldid=8543190>
>> pages.
>>
>> We have published this Service Catalog by updating the
>> mw:Developers/Maintainers page and renaming it to
>> Wikimedia_Production/Service_Catalog. This ensures we have exactly one copy
>> of the ownership information and everyone is operating off the same
>> information.
>>
>> A couple of things worth being clear about:
>>
>> This is a work in progress, not a finished inventory. Some services now
>> have a clearly assigned owning team; many others are still being worked
>> through and this will take time. As we said in April, we expect to narrow
>> the set of unowned services gradually, prioritized by risk — not all at
>> once. That said, we have already found owners for 6 critical/high-risk
>> previously unowned services and a few more are expected to be owned in the
>> coming weeks.
>>
>> The process is now in place; the coverage will keep growing. What's
>> changed is that there's now a repeatable way to assign and record team
>> ownership, and that ownership reflects an ongoing commitment for a
>> service’s entire lifecycle, even in the event of reorganization and other
>> changes.
>>
>> If you maintain or contribute to a service and don't see it reflected
>> accurately on the Service Catalog  page – or don't see it listed at all  –
>> please reach out on the Talk page
>> <https://www.mediawiki.org/wiki/Talk:Wikimedia_Production/Service_Catalog>
>> so we can correct or add it.
>>
>> As before, questions and clarifications are welcome on the Talk pages of
>> the Service Ownership Roles and Responsibilities
>> <https://www.mediawiki.org/wiki/Wikimedia_Production/Service_Catalog/Ownership_Roles_and_Responsibilities>
>> and FAQ
>> <https://www.mediawiki.org/wiki/Wikimedia_Production/Service_Catalog/FAQ>
>> pages which contain more background details.
>>
>> Reuven, on behalf of the Code Ownership Working Group @ WMF.
>>
>> --
>> *Reuven Lazarus *(he/him)
>> Staff Site Reliability Engineer
>> Wikimedia Foundation <https://wikimediafoundation.org/>
>> <https://wikimediafoundation.org/>
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>
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-- 
*Reuven Lazarus *(he/him)
Staff Site Reliability Engineer
Wikimedia Foundation <https://wikimediafoundation.org/>
<https://wikimediafoundation.org/>
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