You can throw money on the fire but the water will not boil any faster.
Patiently, test anything you can think of, do extensive analysis, research and reports to bug tracker. Create, prepare test scenes, some complex materials, libraries... make amazing renders, correspond with each other, create scripts that will make the workflow faster. At least make a thread with suggestions. Organize. Motivate. Share.
You already got an amazing tool at your disposal so -
Don't just seat staring at the screen hitting F5... F5... F5...
If you'd pay attention to what the team is doing you'll notice they are hard at work, almost non-stop. Help by taking action and maybe it will be done faster.