Pdfpen Pro 13.1 Fix Official

: You can use the Nitro Migration Assistant to move your library items, stamps, and user preferences from PDFpen Pro 13.1 to the newer Nitro version. Key Updates from Version 13.1

For users still on version 13.1, several common stability and performance "fixes" have been identified: PDFpen Pro 13.1 fix

: If the application is slow or freezing (especially on M1 Macs), users are advised to perform a clean install or launch the app while holding the Shift key to prevent it from reopening previous windows. : You can use the Nitro Migration Assistant