The content looks nice in the browser, with columns almost content-sized, so that i.e. the issue type and issue key columns are way smaller than the summary.
But when exported to PDF the columns become equally spaced, making them way less readable.
Yes, this is a known issue of the current PDF Export feature. You could try this new (currently experimental) client-side PDF export: PDF Export Application (XWiki.org)
Cool! I’ll check it straight away.
I guess that extension is what you were referring to in Is there a way to fixate the version of a page? - #2 by vmassol right?
Yes, it’s the same extension.