I uploaded the letter via the web form some time after April 8, 2025 and received AOR on April 11. So, fortunately it wasn't too bad after all.
Here's my updated timeline:
Submitted: March 19, 2025
Sponsor: Canadian Citizen
PA: Germany
Application Type: Outland
Returned: March 28, 2025
Re-submitted: March 28, 2025
AOR: April 11, 2025
Biometrics request: April 16, 2025
Medical Request: April 22, 2025
Biometrics completed: April 23, 2025
Sponsor Eligibility Passed: April 25, 2025
Sorry, one last question. Did the sponsor upload it via webform or the PA