Affects 3.2 and 3.4.
MongoDB Enterprise > db.capped.find().tailable(isAwaitData:true) 2017-01-12T10:00:20.819-0500 E QUERY [thread1] SyntaxError: missing ) after argument list @(shell):1:37 MongoDB Enterprise >
it should be
cursor.tailable( { isAwaitData : <boolean> } )