Due to rising issues with list pricing in 16.0 Major, the following interfaces have been reverted to the 15.5 version:
customListPrice function in AbsPartupcharge function in ProdPartbasePrice function in AbsPartbasePrice function in DsPartupcharge function accounting for option specials in SpecOptionpublic double price(SpecOption[] specOs=null) in DsPDatapublic double price(SpecOption[] specOs=null) in OfmlPDataThese changes were originally added to account for the new core PartSpecials system. 
Impact of changes:
QueryDialog will not account for special pricing for now (expected 16.0 Patch 1)Those who may be affected include:
PartSpecial and/or OptionSpecial systemQueryDialogAbsPart/ProdPart/DsPartAnyone affected may need to:
The new core QueryDialog does still account for special part numbers and descriptions as well as special option codes and descriptions. The fields for special pricing have been removed for the time being.
Link to Merge Request with changes
We now officially target .NET Framework 4.8 assemblies for CM interop. As there are no version compatibility changes or behavioral changes, there should be no action required from your end. Note that Windows 10 and 11 has shipped with .NET Framework version 4.8 since 2019, and Microsoft officially has no plans to remove it as of September 2024.
We have also resolved an issue with COM interop type lookup when using certain system libraries like System.Net.Http. 
The old UI in CET is now deprecated and enters maintenance support period. This implies the following: