If it is so certain that will happen this year, why didn't it happen already last year, or the year before that? By most peoples measures the codegen hasn't improved. Some believe the newly released models are even a regression on the old in favor of saving costs.

The tooling for autonomous programming agents are still improving and being iterated upon. Developing integrations with various systems and learning how to most effectively make use of agents is an ongoing and open problem. Adoption has actually been reasonably fast.