A little background …
Over the past five years at Microsoft, one thing has become abundantly clear to me: while the evolution of technology has and continues to support many organizations in becom...
Updated Jan 26, 2021
Version 24.0
Blog Post
Sean Ellis Most of what you mention is true, but few points from my side :)
You can choose which teams you want to appear on the side bar - use the favorites for that. You can also decide the order by dragging and dropping the Teams name.
As for the notifications on channels - probably not what you are looking for, but there is an option to 'follow' channel - which will give you notification anytime there is something new posted.
Private channels tho… It's 'almost done' for at least half a year ehhh :(