It would be really nice to download all the PDFs in the cloud to the Mac or iPad apps, just like the old Papers 3. Sometimes it is hard to access wifi connection in a public area, and I need to read a new PDFs.
Yes, would really appreciate full offline functionality with all the PDF's available.
I agree! Very important feature for me as well!
It's unfriendly for Chinese mainland users to access the PDF files located on the cloud, always very slow and "socket time out". The request is also necessary for users who can not access network.
This is implemented.
Simply select the gear next to "All Papers" and click on sync options -> Available Offline