libecm1

[finotti]

Something strange seems to be happening.  The packages libecm1 and libecm1-dev do not upgrade by default:

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# apt dist-upgrade
Not upgrading:                 
  libecm1  libecm1-dev

Summary:
  Upgrading: 0, Installing: 0, Removing: 0, Not Upgrading: 2


They are not held:

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# apt-mark showhold




But they do not remove anything when installed...  (I meant to run "apt -s install libecm1 libecm1-dev", but I actually installed both, as I had tested before, but  forgot the "-s".  Oops...  )

Why was it being held back?   I was assuming it was the new solver preventing other packages to be removed, but it was not the case in this example.

Any ideas?

[advisorcockroach]

The discussion is really helpful, and I appreciate everyone sharing their experiences and solutions. It's great to learn from the community!