Noticed this in Matomo for WordPress which makes use of the ability to define custom plugin directories.
Matomo was supposed to rewrite this
img src path
but I got this:
and as a result the images weren't shown
While debugging I noticed it was returning a path
../../plugins/... when it should have returned
src="../../plugins/.." see content of
With the patch things work. Not sure how this worked before and if it actually worked.