In what context are you using the word "development?"

Letta (MemGPT) has been around for years and frameworks like Mastra have been getting serious Enterprise attention for most of 2025. Memory + Tasks is not novel or new.

Is it out of the box nature that's the 'biggest' development? Am I missing something else?

Not OP, but it was revolutionary in the same way that ChatGPT and Deepseek the app+webapp was because it packaged capabilities in a fairly easy-to-use manner that could be used by both technical and non-technical decisionmakers.

If you can provide any sort of tool that can reduce mundane work for a decisionmaker with a title of Director and above, it can be extremely powerful.

Yep it isn’t actually that interesting. He just rushed out something that has none of the essentials figured out. Like security