I drop all my major updates here but there really isn't any need to. You can look at, like, the last 500 changes or something on the wiki under Recent Changes. Granted, we won't have an easily accessible record of these changes as they grow older. But then, I'm not sure how useful they'll really be in the long term as the updates tend to talk about what they changed to rather than what they changed from. I know each wiki page keeps a log of specific changes to it but I'm not sure how long it sticks around. If it sticks around forever, then a person could cross reference the update here with the correlating change there. That sounds like a pain, though, so if we wanted to keep an update thread, I might suggest each update in the thread should codify what exactly changed and how.
Also, there is the consideration that some folks may not want to do both. I know that I won't be volunteering for the position of recordkeeper, though I'm happy to call out awesome people for doing good work on the wiki. Speaking of which, good job, Colette. Updated BrikFic's top level storylines