well a diagonal line can’t be perfectly smooth on a display!
it’s shown on pixels, and on an average setup, you will be able to see some “jagged” lines.
pretty much every single game (including roblox!) uses something called anti-aliasing! if you want a bad summary, it basically “blurs the jaggedness”. i suggest reading on the topic!
unfortunately, there is no anti-aliasing or “magic-fix” for roblox UI.
searching for other topics, i scrolled onto this one which might have some solutions on making it look a little better.
i actually worked with anti-aliasing a lot before so i was very familiar and tried something based on what u said.
i left some transparent space around my image as i didn’t have space around it before and it worked like a charm. you’re an absolute legend harley, ty 4 helping me out.
for anyone else that is stuck, leave some transparent space around all the edges like this: