Random in effects

Hi !

I'm currently trying to understand how random options are working in the effects, not by randomizing channels.

With a relative effect, when I try the "random groups" option I get strange behavior, like if the effect is going faster.

When I trie "random rate" option, it seems to randomize the channel selection without changing the rate fo the effect...  

Here is a video showing what is happening.

Am I missing something or is it a bug ?

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