Multi‑Turn Coil features in old models will be mapped to the new Coil feature using the Homogenized Multi-Turn Conductor model. Single‑Turn Coil features in old models will import as is with a warning that the feature is obsolete and will be removed in future versions.The User Defined Coil Geometry subnode, which is available for 3D Coil nodes with the User-Defined Coil type, is now a domain feature. You can now select coil input and output boundaries using the new Input and Output subnodes. The selection is set up correctly when opening old models.The old Infinite Elements feature, which are obsolete since version 4.2, have now been discontinued and will be automatically removed when opening old models.