Just noticed for few newly uploaded PDF files that their thumbnails are displayed with wrong aspect ratio (probably width as height & height as width) on their description pages:

https://pl.wikisource.org/wiki/Plik:Maryan_Smoluchowski-O_pewnem_zagadnieniu_kinetycznej_teoryi_roztwor%C3%B3w.pdf

https://pl.wikisource.org/wiki/Indeks:O_atmosferze_ziemi_i_planet

However direct links to thumbnai images, eg.:

https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Maryan_Smoluchowski-O_pewnem_zagadnieniu_kinetycznej_teoryi_roztwor%C3%B3w.pdf/page1-750px-Maryan_Smoluchowski-O_pewnem_zagadnieniu_kinetycznej_teoryi_roztwor%C3%B3w.pdf.jpg

https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Maryan_Smoluchowski-O_pewnem_zagadnieniu_kinetycznej_teoryi_roztwor%C3%B3w.pdf/page1-180px-Maryan_Smoluchowski-O_pewnem_zagadnieniu_kinetycznej_teoryi_roztwor%C3%B3w.pdf.jpg

are shown with correct aspect ratio. Also no aspect ratio problems noticed while openning the PDF files using Acrobat Reader or xpdf.

Version: unspecified
Severity: normal