I’m pretty sure it ultimately depends on which platform you change your name on. I think some platforms have different restrictions than on the website so you can try that. Though Roblox Mobile uses the same settings webpage as on roblox.com so maybe try on a different platform than those two.
Yeah, that’s what I meant by bug. I only started seeing these display names recently, though.
I think the country was Germany? Either way, I don’t use/will use a VPN since contrary to the advertising, they don’t help privacy at all and are only good at watching foreign Netflix.