Border on white image on circle mask

[Renato66]

Original

UiAvatars rounded param

WeServ mask circle

[andrieslouw]

Looks like an alpha-channel anti-aliasing issue? Care to take a look @kleisauke ?

[kleisauke]

The dest-in operator needed unpremultiplied values and we specified an image that was premultiplied (not sure why I haven't noticed this earlier). This has been fixed with commit ec7dacb, which has just been rolled out to production. I now see:

Thanks for reporting this!