One area of web I noticed a large uptick in is websites asking to show you notifications or to use your location data or various other permissions. Those are enforced as popups by browsers as far as I know.
I think very recently we've seen a quick change in the industry. Web designers, graphic designers and digital designers have broadly been replaced with UX designers from a HR/Job Title perspective, however that doesn't mean these are UX mature organizations or that these designers are experienced UXers.
Don't get me wrong, this is a great step forward. But ...
I think having the notifications always display is a bit odd of an implementation because notifications by nature are meant to be temporary.
If you want to keep your current implementation then at least add an "x" icon to each notification and a "dismiss all" link that's easily accessible (either at the top or bottom). When the user selects the "+"...
I never experienced a case like this. And to be honest, I would be totally annoyed that these notifications are there all the time. It's distracting.
Anyways, I have two suggestions for you:
You can darken everything else while the context menu of the "+" icon
is open (just like a lightbox)
Rebuild the context menu into
something horizontal and replace the ...
Please check out the talk Designing Sound from Apple's developer conference WWDC 2019. A couple of minutes in, the speaker talks about notifications, including notifications that express success.
The talk is not an academic study of course but it is a nice summary of how Apple thinks about using sounds so I think you could use it as a source that brings a ...