>When packaging, you check for the behaviour changes in the package and its dependencies Yeah, but the package maintainer for a widely used library doesn't act

>When packaging, you check for the behaviour changes in the package and its dependencies Yeah, but the package maintainer for a widely used library doesn't actually have the resources to do this. (heck, a package maintainer for a non-trivial application likely doesn't have the resources to do this). Basically they update and hope to get some bug reports from users.