I launched a startup with Java/Spring Boot on the backend. Tons of developers already know this stack, no headaches, everything works. ChatGPT is also an expert

I launched a startup with Java/Spring Boot on the backend. Tons of developers already know this stack, no headaches, everything works. ChatGPT is also an expert in mainstream Java technologies. Using a bleeding edge framework like the newest next.js has major gaps in ChatGPT