[deivid]

I'm migrating my toy HN app to GTK4 as well, it's not always free performance though, the pp GPU is extremely bad, even worse than the CPU. My app actually was slower on GTK4, although removing rounded corners and shadows as the devs recommended actually made it a lot faster than the GTK3 version.

[GranPC]

Hmm... I wonder if those expensive effects could be cached to a texture atlas to mitigate the performance impact. Hopefully the devs are looking into it!