[Custom Font with the Font Extension]

Embedding and exporting different foreign languages' fonts (like Hindi, Japanese, Korean, Russian, and Thai) in PDF format.

https://community.jaspersoft.com/wiki/embedding-and-exporting-different-foreign-languages-fonts-hindi-japanese-korean-russian-and

[How to Display Ad Hoc View Custom Function Arguments]

The changes mentioned in the Wiki article involves editing JavaScript files. JasperReports Server uses optimized scripts by default. And after making the changes to the JavaScript files, we will need to rerun the optimize script as explained in below document:

https://community.jaspersoft.com/documentation/tibco-jasperreports-server-ultimate-guide/v750/customizing-javascript-files

As a quick test, to see if the changes have taken place, you can append &opt=false to your JasperReports Server URL to run it in non-optimized mode, like:

http://localhost:8080/jasperserver-pro/flow.html?_flowId=homeFlow&_opt=false