Fresh produce department / What does the code on the packaging mean?

It always says something like "Calendar week/0X" (X is from 1 to 7) (e.g., today would be "48/04")… The "house manager," who happened to be near me, said it was the packaging date… But I have a feeling it's the recommended latest sell-by date… A week ago, the mushrooms that were supposedly delivered that same…

Is long-life cream still good even though it has expired a year ago?

How can this be? I just opened a package of long-life cream that was still in the cellar from the coronavirus pandemic and had already expired a year ago. The fat and liquid had separated a bit, but the cream was still fine for cooking. How can this be? Expired a year ago and still…