Monitor command not updating consistently in v. 12.1, worked fine in 12.0..

Questions
,
1

I am using the Monitor[.,.] command with lots of code as the first variable. Worked fine in 12.0, updates sporactically in 12.1. Any suggestions?

2

Could you provide a smallish explicit example?

3

Thanks, I will try to pare my code down to something smallish.