Pdfpen 13.1 -

: This version improved document scrolling speed and the responsiveness of drawing tools, particularly on larger PDF files.

: The OCR engine was updated to better support Apple’s M1-based Macs, allowing for faster and more efficient text recognition.

: Users of PDFpen 13.1 can use the Nitro Migration Assistant to move their library items, stamps, and user preferences to the newer Nitro application. PDFpen 13.1

Following the 13.1 release, the application was rebranded as .

: Some users reported instability or freezing on early M1 Mac systems. : This version improved document scrolling speed and

PDFpen 13.1, released by Smile Software in mid-2021, introduced several performance enhancements and new features for Mac users. This version also marked a significant transition period for the application following its acquisition by Nitro Software . Key Features and Improvements

: New default sidebar modes, including Attachments and Form Fields, were added to help users organize their workspace. Following the 13

: Issues with OCR halting on exceptionally long documents have been documented, with some users suggesting processing pages in smaller ranges as a workaround.