Upgrading large java projects is exactly what AWS want you to believe their tooling can do, but the ergonomics aren't great.
I think most of the capability problems with coding agents aren't the AI itself, it's that we haven't cracked how to let them interact with the codebase effectively yet. When I refactor something, I'm not doing it all at once, it's a step by step process. None of the individual steps are that complicated. Translating that over to an agent feels like we just haven't got the right harness yet.
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Upgrading large java projects is exactly what AWS want you to believe their tooling can do, but the ergonomics aren't great.
I think most of the capability problems with coding agents aren't the AI itself, it's that we haven't cracked how to let them interact with the codebase effectively yet. When I refactor something, I'm not doing it all at once, it's a step by step process. None of the individual steps are that complicated. Translating that over to an agent feels like we just haven't got the right harness yet.