Manually update operator in a SplitODEProblem

Hello, I have some library code which constructs a SplitODEProblem with a DiagonalOperator as f1, and I’m trying to write a function to remake the problem with problem.f.f1.A updated according to new parameter values. I have tried passing an update_func! to DiagonalOperator but the problem is that it gets called automatically at every time step which isn’t what I want. Is there any thing else I can do short of bundling all the arguments passed to SplitODEProblem into a struct and rebuilding th...