In recent time my anger comes from a junior dev who keeps saying he's got no time to test and breaks working code leading to others getting the blame and the team leader not addressing the problem.

In the past it was micro managing managers who thought they knew how to make a UI best, and also that one project where they gave a client carte blanche on changes to avoid legal trouble. Nothing more infuriating than multiple people telling you how to change things over and over while you're being passed around in their power struggle.