Yes. As of 2021, the writing was on the wall. No major operating system update supports .xsr natively, and the few remaining proprietary viewers are abandonware. If you have mission-critical data stored as XSR, (the 2021 archival standard).
: Recognizing the sensitive nature of many XSR reports, developers integrated encryption and password protection options directly into the conversion process, ensuring that the resulting PDFs remained secure. Impact on Efficiency Xsr To Pdf Converter 2021
How to convert a web page to PDF step by step | Adobe Acrobat Yes. As of 2021