## OrdinaryDiffEq v5.31.0 [Diff since v5.30.0](https://github.com/JuliaDiffEq/OrdinaryDiffEq.jl/compare/v5.30.0...v5.31.0) **Closed issues:** - Dependent mass matrices can hit a broadcast issue (#1080) **Merged pull requests:** - [WIP] Support+Test State and Time Dependent Mass Matrices (#1075) (@ChrisRackauckas)