Disclosure, I’m a SWE at LocalStack.
[1] https://github.com/localstack/localstack
> As a result of this shift, we cannot commit to releasing regular updates to the Community edition of LocalStack for AWS.
https://blog.localstack.cloud/the-road-ahead-for-localstack/
https://blog.localstack.cloud/the-road-ahead-for-localstack/...
But IMO, LocalStack community’s S3 service is pretty stable, so I’m doubtful there’ll be much parity drift in the short to medium term.
Disclosure, I’m a SWE at LocalStack.
[1] https://github.com/localstack/localstack