It is likely because it is the final stretch, and there is light at the end of the tunnel. It seems likely you’re getting closer, but you still seemingly have to keep going. Before, there was just the idea of light at the end of the tunnel, so you were just muddling along and moving faster didn’t really make a difference.
It has been a year for me, and I I will say that this is the longest I have ever waited for something I have pre-ordered to be released. I’m usually pretty patience, but right now it feels like you have a package with the status “Out of Delivery”, and you are just anxiously waiting for the Postman to arrive.