If you see ssis6 upd in a package but deploy to SQL Server 2014 (v5 runtime), you get:
Error: The package format version 6 is not supported by this version of SSIS.
Solution: Downgrade (not possible natively) or keep source package in v5. ssis6 upd
Specific components like the CDC (Change Data Capture) task, Analysis Services processing task, or the Azure Feature Pack for SSIS are prone to bugs in base builds. Updates repair these. If you see ssis6 upd in a package
Open a .dtsx (XML) after upgrade. Look for: Solution: Downgrade (not possible natively) or keep source
<DTS:Property DTS:Name="PackageFormatVersion">6</DTS:Property>
<DTS:Property DTS:Name="VersionComments">ssis6 upd</DTS:Property>
Older packages (non-upgraded) show:
<DTS:Property DTS:Name="VersionComments">ssis5</DTS:Property>
There is often confusion regarding version numbers.
Users often confuse the major version number (16) with older naming conventions or search for "SSIS 6" intending to find version 16. If you are downloading updates for SQL Server 2022, you are essentially updating SSIS v16, which includes the most modern feature sets, such as: