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I was reading this:

Debian dropping the Linux Standard Base [LWN.net]
https://lwn.net/Articles/658809/

… and was struck by the parallels behind both the intent of LSB and DefCore (provide assurances around common functionality and interoperability delivered in a distro) as well as implementation (standard trails implementation, etc.). The article is a 5-10 minute read; in the comments, read the first from michaeljt; then pick up near the bottom, starting with the one by criswell, to the end.

I see two interesting ways to angles from which to view this:

1. LSB was successful at driving convergence for 20+ years and is beginning to die out.
2. LSB failed to reach effectiveness in 20+ years of trying and is beginning to die out.

The case for #1 seems suspect. The article and comments, as well as the relative lack of applications which successfully adopted LSB as the primary or sole basis of specifying their dependencies, seem to indicate otherwise.

The question here: how is DefCore different, and how will we succeed where LSB failed?

--j