Pdfpen Pro 13.1 Fix -

: Version 13.1 was the final major release under the "Smile" branding. Most critical bug fixes and improvements (such as resolving crashes with large images and fixing redaction tool issues) are now delivered through the Nitro PDF Pro 13.2+ updates .

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. : Version 13

The software previously known as has been rebranded and updated to Nitro PDF Pro following Nitro's acquisition of Smile Software. If you are experiencing issues with version 13.1, the primary "fix" recommended by the developer is migrating to the latest Nitro-branded version. Resolving Issues in PDFpen Pro 13.1 The software previously known as has been rebranded

If you are updating to 13.1 from an earlier version, this build included several significant enhancements:

: 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