Timestamp disabled in Kibana Alert and Actions after 7.9.0 update

Elastic Stack Kibana
3

Hi @corey.robertson,

I am having issue with previously created connector and newly created connector too. Timestamp is disable. It doesn't show any error on Kibana UI. Sceenshots showing the state of connectors as:

Was previously created connector

TimeField_Disabled
TimeField_Disabled770×710 27 KB

Creating new connector now

Creating_New_AlertConenctor_Timestamp_Still_Disabled
Creating_New_AlertConenctor_Timestamp_Still_Disabled776×718 30.5 KB