Re: libfuse3-dev is a virtual package?

["Theodore Ts'o" <tytso@mit.edu>]

On Sun, Jul 14, 2019 at 07:12:59PM +0200, Sven Joachim wrote:
> This can happen if you have assigned a negative Pin-Priority to
> libfuse3-dev.  According to apt_preferences(5), a Priority < 0 "prevents
> the version from being installed", and apparently apt achieves this by
> pretending that the package is not there at all.

Thanks for the hint; you called it exactly.  I had this in my apt
preferences:

Package: *
Pin: release a=testing
Pin-Priority: 900

Package: *
Pin: release o=Debian
Pin-Priority: -10

... and I'm currently still on Buster, having not moved on to Bullseye
yet.

					- Ted