Normally, Streams mod has its water have a movement animation, however after updating the mod I seem to see some oddness as the animation for the flowing water for streams may not be there anymore.

Can you confirm if it is either the issue of API+Streams, or my own issue? Or entirely other. I can't really figure this one out properly.

I can confirm this behavior with just Streams, Farseek, MixinBootstrap, and Fluidlogged API installed. When Fluidlogged API is removed the blocks do flow correctly.

Here is a world that can be used to reproduce the issue quickly.

Streams_API.zip

IIRC Streams has two water blocks, one of them is akin to Minecraft's water, and the other is more of a dummy block, that could be the issue.

The issue is caused by my renderer using the wrong flowing vec here, rather than the one provided by the Streams mod here

fixed in v1.7.1