Even if I choose the spacious layout on pinboards, there is nothing spacious about it. The pinboard is so narrow and there is so much wasted space. Please increase the width of the pinboards in the spacious layout.

Found it. It was the raindrop.io extension that messed with flow.

Thumbnails work fine on phone and tablet. But on both of my pcs they don't. Is there a fix for that. I tried resetting, but nothing changed. Windows 11, Opera 117.0.5408.197