Some issues which are good entry points to the source code.

Means that this issue / feature is complex / advance to fix /implement

Means that this issue / feature is easy to fix /implement

Means that this issue / feature is not so simple or not complex to fix /implement

We are considering refactoring the interface to compute nabu. Related issues. Example: * split nabu reconstruction parameters and reconstruction. So the parameters can be used as input for a slice, a volume, multicor... * split the nabu reconstruction into a subworkflow ? * ...