Some Ideas for your consideration

Add a "Visible in the Community" Indication in Lightning Feed - https://success.salesforce.com/ideaView?id=0873A000000LsGDQA0

Add 'Select All' for remove activation assignments on Lightning Page Layouts - https://success.salesforce.com/ideaView?id=0873A000000lOrgQAE

Allow slds-has-bottom-magnet in Highlights Panel Component - https://success.salesforce.com/ideaView?id=0873A000000Ls92QAC