asaaki/symbolize — comment on commit 3d9182bcf85a418bd5a2a4809cbffd8349bc98fd
File:  line 0
By asaaki:

It does, because in newer versions of mongoid gem they killed the old fashioned `:conditions` hash for scopes and only accept Mongoid::Criteria statements like this `where`.

You can adopt and test it. Cannot say for which older versions this will be working, too. Maybe you will need a version checker here to support everything.