## DiffEqFlux v1.8.1 [Diff since v1.8.0](https://github.com/SciML/DiffEqFlux.jl/compare/v1.8.0...v1.8.1) **Merged pull requests:** - Failed when loss function returned more than one value to pass to cb (#203) (@ChrisDeGrendele) - Adding `kwarg` for Optim options (#208) (@YingboMa)