Edge Lighting issue in S10+

Yes I have Edge light issue after upadte One UI 3.0

Try to steps to enter safe mode.

Method 1:

1. Power off the device.
2. Press and hold the Power key for one or two seconds to turn on the device.
3. When the Samsung logo appears, press and hold the Volume down key.

Exit safe mode:
1. Press volume down and power key simultaneously for 5 seconds to restart the device.
2. Press the power key on the right hand side and tap on the restart icon on the screen.
3. Swipe down the notification panel to access it. Select the notification safe mode enabled and tap on off to restart the device.

Try to reset your all default settings

Restart the phone and check again

One last try Factory reset and check it's working or not

✌️🏼😁