To be completed by the original poster:
CMS Version 4.0.1
Player Type Android
Player Version 400
Issue
Heho
Since CMS 4 I have many problems with the webview widget.
It’s for example not possible anymore to use very long urls. Its valid while entering, but gets invalid while saving:
https://www.oevplus.ch/monitor/?viewType=splitView&layout=1&showClock=true&showPerron=true&stationGroup1Title=Birmensdorf%20ZH%2C%20Ristet&stationGroup2Title=Dietikon%2C%20Bahnhof&station_1_id=85%3A83214&station_1_name=Birmensdorf%20ZH%2C%20Ristet&station_1_quantity=5&station_1_group=1&station_2_id=85%3A87020&station_2_name=Dietikon%2C%20Bahnhof&station_2_quantity=5&station_2_group=2
EDIT: It looks like the urlencoding gets removed