When you go on a Web frontend on the Roblox Windows app, you may see _ rendered instead of &. This is consistent behavior happening 100% of the time and it was attempted on 2 different devices. This only happens on the Roblox Direct Download version of Roblox and does not happen on the Microsoft Store version.
For context, these windows are meant to show the following headers:
This is happening as of the latest production build, 646.0