quintuplet swing

I'm making a song with quintuplet swing.

Create the beat in my daw with midi.

Export it to midi and import to synfire.

Once in synfire I extract the rythmn.

I will create a new instrument and copy the rythmn from the imported drum track and experiment until something cool happens.

Then I will experiment with different ideas to get a bassline, keys, ... to play with the groove.

I noticed with the quintuplet swing, synfire seems to be having some difficulties, sounding a little too wonky.

Maybe it's my limited experience or perhaps synfire just doesn't do well with quintuplets.

Does anyone have any experience with this?

And if so, I would love to hear your approach or let me know if there are limitations of synfire.

Thanks!