System Procedures Whose Code Changed in SQL Server 2025
I diffed 212 changed system module definitions in SQL Server 2025 and found caller-visible changes in procedures DBAs still use.
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.
Columnstore transcoder wait types in SQL Server 2025
SQL Server 2025 adds 25 columnstore transcoder wait types. I found the names, XE descriptions, and what Microsoft documents.
LCK_M_SCH_A and LCK_M_SCH_C: New Lock Wait Types in SQL Server 2025
SQL Server 2025 adds LCK_M_SCH_A and LCK_M_SCH_C wait types. I checked the wait list, XE maps, Microsoft docs and local wait stats.
SQL Server 2025 Added 10 Configuration Options, and One Appeared After RTM
I checked the SQL Server 2025 configuration options added after SQL Server 2022 against sys.configurations and Microsoft Learn.
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.