Re: Category listing issue after upgrade of Mediawiki version.

Hello again!

Derk-Jan already shared information last time about this mailing list's
purpose. For your convenience, please find his suggestions from last time
below:

We are a bunch of volunteers doing some MediaWiki development. We are NOT a
> support team and do not provide support to multibillion consultancy firms.
> I'm being pretty charitable here explaining a few basic analysis
> approaches that should be pretty obvious to any medium level engineer. I'd
> expect a WHOLE LOT more of details if you are stuck at an actual MediaWiki
> level issue, before someone from a company with as many resources and
> employing 300 000 people reaches out. However,
> https://www.mediawiki.org/wiki/Professional_development_and_consulting lists
> a few agencies and individuals who are available for hire.


On Thu, Mar 26, 2026 at 11:11 AM Sawade, Akshay (GE Vernova, consultant)
via Wikitech-l <[email protected]> wrote:

> Hi,
>
> I recently upgrade Mediawiki 1.34 to 1.43 and facing issue related to
> category listing.
> I am working with *MediaWiki taxonomy structure* where:
>
>    - *Category*: Grandparents
>    - *Taxonomy*: Grandparents
>    - *Main Topic (Parent Term)*: Parents
>    - *Subtopic (Child Term)*: Child
>
> Hierarchy looks like this:
>
>    - Grandparents(Category / Taxonomy)
>    - Parents (Main Topic)
>       - Child(Subtopic)
>
> Now, I have an article that belongs to the Grandparents *category*, and I
> want to:
>
>    1. Assign *Taxonomy = *Grandparents
>    2. Assign *Main Topic = *Parents
>    3. Assign *Subtopic = *Child
>
> *Problem:*
> Currently, when I select Grandparents, it is showing incorrect values
> (e.g., Porta/Community), and it does *not dynamically load*:
>
>    - Grandparents-specific Main Topics
>    - Main Topic–specific Subtopics
>
> *Requirement:*
> I want a solution where:
>
>    - Selecting *Taxonomy (*Grandparents*)* filters and loads only its
>    related *Main Topics*
>    - Selecting a *Main Topic* further filters and loads only its related
>    *Subtopics*
>
> *Request:*
> Please provide:
>
>    - The correct approach to implement this in *MediaWiki*
>    - Any required configuration (templates, forms, or extensions like
>    Page Forms / Cargo / SMW)
>    - Sample code or scripts to achieve dependent dropdowns (Taxonomy →
>    Topic → Subtopic)
>
>
> Thanks
> Akshay Sawade
>
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