Factorio 2.0 Inserter Bug?

Did I find a bug in Factorio? Inserters behave in a weird way since 2.0 when unloading into splitters. I use splitters for train unloading and sometimes for higher throughput when using beaconed designs.

Factorio 2.0 Inserter Bug? Weird Inserter Unloading into Splitters (YouTube)