something like this: https://github.com/maxogden/menubar
Will second that. Would be useful to have this included
Not planned; I'm considering it out of scope for now.
There shouldn't be anything stopping you from using a second library for that. Here are two that come up from a quick search:
+1
Worth to look I guess https://github.com/zserge/tray
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Worth to look I guess https://github.com/zserge/tray