Dynamo for Civil3D - nodes do not appear on open

I am using Civil 2020 with Dynamo but the disappearing nodes are still there, occasionally.
Rebooting the computer often helps in my case.

I also got rid of another bug by rebooting. See here, post 10:

All in all I am finding DynamoCivil still very unstable and with a lot of ‘child diseases’ as we say