The sp_auto_tuning_* Procedures in SQL Server 2025
SQL Server 2025 ships new sp_auto_tuning procedures and internal create-index recommendation views, but I checked what they prove.
I Could Not Find Documentation for Most of What SQL Server 2025 Added
I diffed the SQL Server 2022 and 2025 system catalogs and checked 294 new items against Microsoft Learn. I found no documentation for 258.
Undocumented DMVs Added in SQL Server 2022
A closer look at undocumented SQL Server 2022 DMVs and functions for request phases, XTP hash indexes, CDC, governance and retired internals.
I Could Not Find Documentation for Most of What SQL Server 2022 Added
I diffed the SQL Server 2019 and 2022 system catalogs over the DAC and checked 558 new objects against Microsoft Learn. I found no documentation for 477.