Can Aerohive indicate when 5.1r5 would be out? (An earlier post indicated that it was in QA.) We are looking to upgrade to fix some outstanding issues, but don't want to go to the effort of installing r4 if r5 is imminent.
We are still performing QA tests against 5.1r5; barring any unforeseen problems we are still on track for releasing it in February.
Unless there is a particular bug-fix you are looking for that is not in 5.1r4, my advice is to go ahead and upgrade to 5.1r4 now. That is a stable release which we will begin advising most customers to adopt.