I have not tried 3.0.2 or 3.0.3 yet and I am currently also limited to using the Community Edition.
According to one answer given to the entry you linked, the issue then was a different one: https://issues.couchbase.com/browse/MB-13386
I would really like to take a backup soon. I am lucky that this is a small bucket and only my staging server. I might write my on backup routine in Ruby to work around this. After all, the data is Json, Strings and Numbers only, so this shouldn’t be hard.
Still, backup is a somewhat essential feature and would be really nice to have back