Please allow the configuration of popups not only in the map viewer (webmap) but also in the experience builder.
There are different requirements for popups dependent on the type of application.
It should be possible to configure the behaviour and style to create professional looking popups. In the current version they are too technical and fall "out of design" compared to the other controls.
![](/legacyfs/online/477631_pastedImage_2.png)
Please see Add more settings for attachments in popups for additional inputs.