Since 1.18 was skipped on the dev release channel for FP3, I guess you are on stable (here’s how to check).
1.19.1 is being rolled out momentarily, shouldn’t be long until it’s offered to you … Feedback for v1.19.1
You could try the network reset in the settings, but this should reset all stored Wi-Fi passwords, known Bluetooth devices etc.
Settings - System - Reset options - Reset Wi-Fi, mobile & Bluetooth