Hi
Currently PageAlertContainerComponent unforunatly doesn't support html content rendering for both basic and LeptonX theme. I created an issue for this request.
Hi again Thiqah.Abp.Dev4, you can also check out Migration Guids if you haven't
Hello Thiqah.Abp.Dev4,
Can you give me more details about your case ? What you did in upgrade process have you checked breaking changes during upgrading process ?