Don't panic. You have at least a project manager, they don't. They're good at copying features, you're good at implementing new features. You have deadlines and

Don't panic. You have at least a project manager, they don't. They're good at copying features, you're good at implementing new features. You have deadlines and restrictions that ensure that new features, bug fixes and versions come out on a timely basis, not "when they're ready".