In this improvement, the two new system tables sysallocunits and sysrowsets are
ported over in the Tempdb Memory-Optimized Metadata mode. Any priormetadata contention on these two system tables in Tempdb should now bealleviated.
This improvement is included in the following cumulative update for SQL Server:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server: