The issue is that we communicated about things up front. There's always a risk when you tell players what's coming up front because there is ALWAYS the chance that it gets pushed back for various reasons.. bugs, critical blockers like crashes, further enhancements to features, etc.
Yes, at the time of our initial cosmetic update the locker was planned to be release at the end of 11. However, as we made progress to the system... bugs started to appear that we need to fix before it ships which is why it's been delayed.