Docker-stacks conda issues

Hi,
I am using jupyter/datascience-notebook from dockerhub and it is based on base-notebook with conda 4.8.x
In my Dockerfile I would like to install additional libraries with conda, but there are problems with installation and dependencies. There is an issue on Github for this https://github.com/conda/conda/issues/9367
The suggested solution is always to use conda 4.6.x.

Does anyone else have these problems and why are docker-stacks using conda version 4.8.x?