I'm on LibreOffice 188.8.131.52, I have a Calc document protected with password and the preview it's showing the data on this file. I think that it is a security failure, the file content my personal passwords, then you may know what i'm talking about.
Thanks you all for your time and effort.
Hi Victor..thanks for reporting. It's been reported before. Please reopen if you think different.
*** This bug has been marked as a duplicate of bug 80755 ***