The current pre-release of the client ("pioneer" in the version) is only compatible to itself. So you can only play with other testers. Please be aware!
@thewreck It appears the non-vanilla map sizes are not working when generating a map, so you'll need to stick to the original 5, 10, 20 etc. map sizes until the issue is fixed.
@BlackYps@Sheikah Just wanted you to be aware of this in case you weren't already.
