Parsoid image sizes differ slightly on mobile from legacy parser
Closed, DeclinedPublicBUG REPORT
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	Jdlrobson-WMF
	Dec 10 2025, 12:22 AM

Description

Steps to replicate the issue (include links if applicable):

What happens?:

The image is a slightly different size.

What should have happened instead?:

Why does this happen?

This happens because the lazy loading in Parsoid is superior to the lazy loading in legacy parser.

Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):

Other information (browser name/version, screenshots, etc.):

Change #1214173 had a related patch set uploaded (by Jdlrobson; author: Jdlrobson):

[integration/visualdiff@master] Remove false positives of slightly different (correctly) sized images in Parsoid

@ssastry this is a WONTFIX but I've documented it to refer back to later.
Diffs take this into account in https://gerrit.wikimedia.org/r/c/integration/visualdiff/+/1214173