I temporarily resolved the issue by removing the Google Nest Wifi router
from the equation. Recreated my mesh network with only the three (3)
Google Wifi devices. Speeds are back where I’d expect to see them.
Coverage is suffering, though, because I ...
95% confident my bandwidth stranglehold began with the rollout of
software version 13729.57.27 (a revision to Release M89?) on or about
09-20-2021. Best I can tell Google began pushing this software update in
early September. All four (4) of my devic...