Github user sihuazhou commented on the issue:
https://github.com/apache/flink/pull/5847
Hi, @StephanEwen could you please have a look at this? If you think this is
a a non-issue, I'd like to close this. (sorry for pinging you here, it because
I saw your some comments about ```UserFacingListState``` in
[5356](https://github.com/apache/flink/pull/5356))---
