Common Problems
This can happen right after the Calendar group finishes expanding — the layout is still settling. Wait a moment after expanding the group, then click again.
Avoid typing dashboard URLs directly; always navigate via the sidebar. If you do get stuck, opening the dashboard in a new tab is the most reliable way to recover.
It currently does work, even though it probably shouldn't (see the Update & Invite note in Section 5). Avoid editing cancelled meetings until this is fixed.
This has been confirmed not to open a dropdown menu currently, despite showing a dropdown icon. Use the Search box for now if you need to narrow results.
The two pages currently calculate "upcoming" slightly differently (one appears to exclude cancelled-but-future-dated meetings, the other doesn't). Treat the Appointment page's grid itself as the source of truth for what's actually upcoming.