I noticed various issues related to PDF attachments.
I’m on Slackware Linux 15.0 with DWM graphic environment.
Mailspring version 1.10.5.
If I choose “preview” the usual preview window appears, but it doesn’t show any pdf document, there is just the viewer black (or white, based on theme) viewer window, I mean that pre-viewer window appears empty.
An other issue I noticed comes up when I choose to open a PDF attachment, so “open” instead of “preview”. Mailspring opens my system PDF viewer, in my case Okular, and the pdf document appears as expected. But after few seconds an error reporting “mailspring not responding” appears and it ask if you want “to force close it or keep waiting”.
Thanks in advance