Jormungandr 0.8.6 has been the best release yet. Definitely far from perfect but now stable enough to allow blocks to be created consistently, so it's running well.
Jormungandr 0.8.7 Coming Soon
Hopefully it will be onwards and upwards on the next release of Jormungandr. The team are all back off holiday and working hard so we're feeling confident they will deliver a feast of improvements soon.