Kind of misleading to look at that out of context.
The whole cryptocurrency market took a beating in that time-frame.
With that said, TZC has been relatively quiet in the past month, but that is not a surprise based on the roadmap.
There are upcoming significant milestones and to the best of our knowledge there is continued, diligent work being done.
On the smaller scale, there have been recent releases such as functional example use cases (e.g., TrezarFundMe, TrezarTravels) and Team information.