I hope @sewen will expand on this but from the blog post he wrote to announce Restate to the world back in August '23:
> Stateful Functions (in Apache Flink): Our thoughts started a while back, and our early experiments created StateFun. These thoughts and ideas then grew to be much much more now, resulting in Restate. Of course, you can still recognize some of the StateFun roots in Restate.
> Stateful Functions (in Apache Flink): Our thoughts started a while back, and our early experiments created StateFun. These thoughts and ideas then grew to be much much more now, resulting in Restate. Of course, you can still recognize some of the StateFun roots in Restate.
The full post is at: https://restate.dev/blog/why-we-built-restate/