Default thumbnail size does not change image size on the page
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	Atsirlin
	Apr 17 2025, 5:56 AM

Description

Changing default thumbnail size in user preferences should change image size on the page. It does happen in page preview, but it does not happen on the page itself. The image size on the page can no longer be controlled via user preferences.

This issue appeared in Russian Wikivoyage yesterday (16.04), and it seems to be generic across different projects. Note that it does not appear until page cache is purged.

Concrete example:
https://ru.wikivoyage.org/wiki/Лодзь
Here, all images are supplied with the upright= parameter to allow image size control via user preferences. However, it does not work.

Related Objects

Mentioned Here: T375981: Preferences settings for small image size are not being respected for Parsoid Read Views

Event Timeline

Atsirlin created this task.Apr 17 2025, 5:56 AM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptApr 17 2025, 5:56 AM

Atsirlin triaged this task as Medium priority.Apr 17 2025, 5:57 AM

Hi, do you plan to work on fixing this task, as you increased the priority of this task?

Maintenance_bot added a project: Commons.Apr 17 2025, 7:30 AM

This is likely due to parsoid rendering being active for the user, where possible before it was not enabled for that user ? See also T375981

@TheDJ: the symptoms indeed look similar, thank you for the hint! But how does one set the default thumbnail size in Parsoid? Or is it hard-coded and unchangeable?

Default thumbnail size does not change image size on the pageOpen, Needs TriagePublicBUG REPORTActions

Description

Related Objects

Event Timeline

Default thumbnail size does not change image size on the page
Open, Needs TriagePublicBUG REPORT
Actions