I upgraded to 1.25.3 and I'm having issues with thumbnails. Similar to... Thread:Project:Support desk/Upgraded old MW site to 1.23.3 and thumbnails stopped working/reply Upgraded old MW site to 1.23.3 and thumbnails stopped working... which was marked as resolved, but the resolution there wasn't clear to me.
My URL is here: https://neucart.com/wiki/IPN ... interestingly, one of the images work and one does not. (Both come from commons.)