I had mounted a VC file on a USB drive. When I tried to shutdown the system it hanged due to some open files from that volume. That's Ok because I configured VC to not force unmounting of volumes with files open. After a while of impatience :) I pressed the hardware button on the computer and the system went down.
Today I rebooted the system and plugged in the USB drive. At this moment VC remounted the volume without any password request which should not be possible. It seems to me that Windows 10 kept its last state on disk (hibernate) and VC simply continued the last session.
Using VC 1.23-Hotfix-2 (64-bit),
I configured Windows 10 to use its quick start feature,
I configured VC to
- not cache passwords at all
- not force unmounting volumes with open files
- mount favourite volumes automatically (when plugging in a USB drive)
https://sourceforge.net/p/veracrypt/tickets/180/