Hello.
1.
In StiRequestParams object you will get necessary information
public IActionResult ExportReport()
{
var requestParams = StiAngularViewer.GetRequestParams(this);

2. Also you need to hide options.Exports.ShowExportToMht = false;

Hello.

For our needs createFont with InputStream is necessary

Hello.

We don't create .tmp files, it created by some Java versions, please change Java version to eliminate problem

Hello.

This method load fonts from report resources, if you don't need this font you can remove it from report.

Hello.

It seems that is bug of some Java versions, you can change Java version on your Linux environment to fix it.

Hello.

Which version do you use?

Hello,

Add necessary fonts in the resources of the report is the only way.

Hello.

Can't reproduce error.
Which version do you use?
Can you send us server full error stack trace?

Hello.

Image quality will be improved from version 2024.1.4

Hello.

Yes, it is the reason, some JDK don't allow to access font files.
As solution from version 2024.1.3 you can add necessary TrueType fonts to report resources - it will use for export to PDF with embedded fonts.