After the recent release of Pytorch 2.7, what is the current state of support for Blackwell GPUs in popular generative AI applications?

After the recent release of Pytorch 2.7, what is the current state of support for Blackwell GPUs in popular generative AI applications?
How does the new Puget Mobile 17″ compare to the MacBook Pro M3 Max 16″ in performance across a variety of AI-powered workloads?