Nothing has happened the last 6 weeks, as expected. Rewriting the Profile stats and adding several things is high priority. Lab caches might follow after that.
Sadly the fact is that we spend almost all our time on support. I would say that is 80-90% of what I personally have done the last 2-3 weeks (no offense meant to this question). Sure, some of those support questions lead to smaller bug fixes and corrections as well.
But honestly, we do not understand the fuzz about lab caches. We don't know if they will stay or they will end up like the "geocaching challenges" which were completely removed, including every track of that they ever existed.
Implementing a way where some adds them to their data and the rest don't isn't really our style. We want everyone to have comparable data, to be fair.
Most don't even consider them geocaches and a lot of geocachers has asked Groundspeak to remove their lab cache finds from their accounts because they really don't like them and don't see the point. I also know of a lot of people who has logged plenty of them from several hundreds of miles away. Sure, cheating is possible with other geocaches as well, but at least with a physical container and a cache owner there is the possibility to follow up on it.
Then, even if adding them, it would only affect the number of finds, which is a very very small part of everything we do.
On the other hand, this question is being asked regularly, which then shows that some users really wants this. If we didn't see this, we wouldn't even consider implementing it.
PS! I Have 71 labs found myself, and couldn't care less about increasing my number of finds from 10450 to 10520. Of those 71 I have logged, there has been less than 5 worth even seeing.