MongoDB 3.0.0-rc8 is out and is ready for testing. This is the culmination of the 2.7.x development series.
Fixed in this release candidate:
SERVER-17067 Burst of highly contended updates causes mongod with oplog to be irresponsive
SERVER-17100 mongod hung running mongo-perf
SERVER-17107 Replica set, with only one voter, invariants during election
SERVER-17114 WiredTiger capped collection cursor needs to go DEAD when restoreState to a deleted doc
SERVER-17115 Insert workload stalls on oplog truncates
SERVER-17129 logOp fassert when creating namespace on stepped-down primary via legacy update
SERVER-17132 Index contains extra entries
SERVER-17150 logOp fassert when dropping collection on stepped-down primary
SERVER-17167 Shell breaks when a multiline function is input
As always, please let us know of any issues.
— The MongoDB Team