Iridescence not saved when serializing .babylon file

Looks like the iridescence on the PBRMaterial is not getting saved when serializing out a .babylon file using the sandbox. PBRMaterial | Babylon.js Documentation

It works when exporting/importing a GLB with the KHR_materials_iridescence extension, just not when exporting a .babylon file.

Will be fixed in the next release: Serialize iridescene in PBR materials by sebavan · Pull Request #12632 · BabylonJS/Babylon.js · GitHub

Thanks a lot for reporting.