Behind the Puppet license change

"Should not have concerns about linking" is not sufficient for many people. They'd rather not have to even *think* about the tech stack being used, who's calling what and using what API, and does this constitute a GPL "combining", etc.

Apache is so bland, and so clearly does not require *any* source code of your own to be revealed under *any* circumstances, that they are not even worried about "tested in court".

I can certainly see their point, if I put on a paranoid corporate lawyer hat.