Well, as you see. The current release is ep4 - p1. And the upcoming release contains Ep4 - p2 and Episode 5 full, so that's basically two updates in one release. That is why it took some time.
No No No No No, you don't need to justify such things, we all know you are giving it your all and all the effort you've put into your work. It's just that, I, personally couldn't hold in my excitement to know what happens next in the story......