Lots of good advice on prioritization & managing expectations already, but here's one part that jumped out that hasn't seen much attention: > The team is great

Lots of good advice on prioritization & managing expectations already, but here's one part that jumped out that hasn't seen much attention: > The team is great, it's just that the work is way outside their comfort zone. This reads to me like the team doing the implementation literally couldn't have estimated this work at the start. Who in the company committed your team to deliver a fixed set of features in a fixed timeframe with new technology?