MongoDB 3.4.15-rc0 is released

[Kelsey T Schubert]

MongoDB 3.4.15-rc0 is out and is ready for testing. This is a release candidate containing only fixes since 3.4.14. The next stable release 3.4.15 will be a recommended upgrade for all 3.4 users.

Fixed in this release:

 SERVER-16802  Order of balancer chunk moves depends on order of config.collections
 SERVER-20056  Log a startup warning if wiredTigerCacheSizeGB is > 80% of RAM
 SERVER-23935  Disable oplog sampling in queryable backup mode
 SERVER-28670  Add sharding metadata refresh metrics section to serverStatus
 SERVER-28981  Sharding balancer prefers shards in a specific order when moving chunks
 SERVER-33329  Server and Shell do not emit TLS "protocol_version" alert messages
 SERVER-34149  Upgrade zlib to latest
 SERVER-31535  Platform Support: remove Ubuntu 12.04 builds
 SERVER-32923  Platform Support: remove SLES11 builds

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As always, please let us know of any issues.

-- The MongoDB Team