Probably to do with the emergence of a vibe coded app that probably used their tests and code
https://github.com/hectorvent/floci
Doesn't look like it's using their code. LocalStack is Python, while floci is using Java.
Seems it's the other way around: the README cites the months older sunset announcement as the motivation.
Doesn't look like it's using their code. LocalStack is Python, while floci is using Java.