prep 2.7.0
SERVER-13132 run candidates plans for longer
SERVER-13001: exclude nModified from legacy write results
SERVER-13171: Add '_forceLegacyShardWriteMode' mongos setParameter
SERVER-13155 mongos obey maxWriteBatchSize for upconv'd bulk inserts
SERVER-12819 Reject write cmds where batch size > maxWriteBatchSize
smoke small_oplog: don't store dups in lost in master/slave
SERVER-13178 Fix replica set name regular expression
SERVER-13139 replaced index descriptor field with key pattern to eliminate dependency on index catalog
SERVER-13139 lazily fill in index scan specific stats
SERVER-12973 update command can make document larger than 16MB
SERVER_12951 added getPlanCache() to Collection.help()
SERVER-13135 use key information to filter docs in s2near
SERVER-13059 Prevent addUser shell helper from mutating its argument
SERVER-13087 Better error messages for invalid config server writes
SERVER-13137 Make sure secondary is up to date before querying in sharding_rs2.js
comment
SERVER-13185 allocate large buffer in getmore after lock acquisition
SERVER-13128 Fix nscannedObjects calculation for $or subtree explain
SERVER-13028 fix shell to use createIndex command for createIndex method