«Improved extraction of annotation
The extraction of pdf annotations using pdf.js works much better now! Zotfile uses a modified version of the updated pdf.js library (here is the fork). The new version supports more pdf standards, detects spaces more precisely, sorts annotations in the correct order, and future updates to new versions of pdf.js are relatively easy. There are still pdfs that won’t work though! Some pdf standards are not yet supported and if you can not copy & paste text from the pdf file using your pdf viewer (e.g. Preview), it’s unlikely that zotfile can help…».