Add trace flag 16268

Author: rwestMSFT

docs/t-sql/database-console-commands/dbcc-traceon-trace-flags-transact-sql.md

@@ -302,6 +302,7 @@ Trace flag behavior might not be supported in future releases of [!INCLUDE [ssNo
 | <a id="tf15097"></a>**15097** | Enables AVX-512 support for [!INCLUDE [sssql22-md](../../includes/sssql22-md.md)] and later versions.<br /><br />**Important:** We recommend enabling AVX-512 support for the following CPUs:<br /><br />- Intel Ice Lake and later<br />- AMD EYPC Genoa and later<br /><br />**Applies to**: [!INCLUDE [ssSQL22](../../includes/sssql22-md.md)] and later versions.<br /><br />**Scope:** Global or session. |
 | <a id="tf15212"></a>**15212** | Disables Service Broker timer messages that are acting as a verbose notification on the timeout event. Messages affected with this trace flag are: `SSBDT: Dialog timer delete during registration` in Service Broker Dialog Cleanup sequence, and `SSBDT: Dialog timer delete during dispatch` in Service Broker Dialog Close sequence. Once this trace flag is enabled, the print-out of these informal messages is skipped.<br /><br />**Applies to**: [!INCLUDE [ssSQL22](../../includes/sssql22-md.md)] and later versions.<br /><br />**Scope:** Global only. |
 | <a id="tf15915"></a>**15915** | Enables a fix for a performance issue that you might encounter when `sp_lock` is called frequently from multiple connections, which could cause a memory leak. The memory isn't cleaned up until you restart the [!INCLUDE [ssnoversion-md](../../includes/ssnoversion-md.md)] service.<br /><br />**Applies to**: [!INCLUDE [sql-server-2019](../../includes/sssql19-md.md)] CU 29 and later versions.<br /><br />**Scope:** Global only. |
+| <a id="tf16268"></a>**16268** | Disables automatic feedback behavior for cardinality estimation (CE) feedback when you use [REGEXP_LIKE](../functions/regexp-like-transact-sql.md).<br /><br />**Applies to**: [!INCLUDE [sql-server-2025](../../includes/sssql25-md.md)] and later versions.<br /><br />**Scope:** Global only. |
 | <a id="tf16301"></a>**16301** | Skips the blocking I/O operation in the `sp_server_diagnostics` stored procedure. After you turn on this trace flag, the `sp_server_diagnostics` stored procedure limits I/O statistics collection, which helps the availability group avoid restart and failover when there's a long delay in the I/O system.<br /><br />**Applies to**: [!INCLUDE [sql-server-2019](../../includes/sssql19-md.md)] CU 26, [!INCLUDE [ssSQL22](../../includes/sssql22-md.md)] CU 12, and later versions.<br /><br />**Scope:** Global only. |
 | <a id="tf17600"></a>**17600** | Changes the default driver version of the MSOLEDBSQL provider used by linked servers from v19 to v18. This trace flag provides an alternative for environments that don't support the new `Encrypt` options of the OLE DB 19 driver. In [!INCLUDE [ssSQL25](../../includes/sssql25-md.md)], MSOLEDBSQL is set to OLE DB v19. Using this trace flag sets MSOLEDBSQL to OLE DB v18. For information, see [Release notes for the Microsoft OLE DB Driver for SQL Server](../../connect/oledb/release-notes-for-oledb-driver-for-sql-server.md).<br /><br />**Applies to**: [!INCLUDE [ssSQL25](../../includes/sssql25-md.md)] and later versions.<br /><br />**Scope:** Global or session. |