So here's a wrinkle I haven't seen in any of the other threads - delays in passport processing.
I get that new passport applications are on-hold for the moment, but I'm in that limbo state for passport renewals submitted a little while before the State Department went dark.
The latest (April 3) update says:
What If I Applied Before March 20?
If you applied and requested expedited service on or before March 19, 2020, we made every effort to meet our commitment of 2-3 weeks door-to-door service. However, due to limited staff, we are still working on a small portion of incomplete expedited applications submitted on or before March 19. You may experience additional delays.
If you applied and requested routine service on or before March 19, 2020, you should expect significant delays receiving your passport and your citizenship evidence documents.
(Emphasis theirs)
We're still semi-booked for European travel in the summer. I filed a routine-renewal in February (4+ months from our departure) and now I'm wishing I'd paid for the "expediting". There's a LOT I can't control, and many variables can still scuttle our trip, but it's looking like renewing my passport is now one of them. We're rapidly approaching a date where I need to start cancelling reservations if the trip isn't going to happen, though, so now I need to gauge the risk that our destination may be "open for business" but that my documents don't arrive...