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App Bar Orientation/Tutorial
Recent Mentions - Cross-Team (scoped to server)
Saved Messages - Cross-Team (scoped to server)
Search - Cross-Team(scoped to server)
Channel Header
Add Info Button to open Channel Info in RHS
Change Members Icon Button to Open Members in RHS rather than popover
System Console - Open in a Slide-up Panel
Plugin Marketplace/App Marketplace - Open in a Slide-up Panel
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