Assume that you have a map with Saxon 9 HE as XSLT
transform engine, with custom XSLT provided. When you do a test map, if there are any errors in the XSLT then the Visual Studio 2019 "output" window doesn't provide detailed information about the errors. However, it shows the following message:
"Errors were reported during stylesheet compilation"
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This problem is fixed in the following cumulative update for BizTalk Server:
Cumulative Update 1 for BizTalk Server 2020
For information about the service packs and cumulative update list for BizTalk Server, see the following article in the Microsoft Knowledge Base:
2555976 Service pack and cumulative update list for BizTalk Server
For more information about BizTalk Server hotfixes, see the following article in the Microsoft Knowledge Base:
2003097 Information about BizTalk hotfixes and Cumulative Update support