• GraphiteReporter opens a new TCP connection when sending metrics instead of maintaining a persisted connection. #1036
• * GraphiteReporter retries DNS lookups in case of a lookup failure. `#1064
• ScheduledReporter suppresses all kind of exceptions raised by the report method. #1040
• JDK's ThreadLocalRandom is now used by default. #1052
• JDK's LongAdder is now used by default. `#1055
• Fixed a race condition bug in ExponentiallyDecayingReservoir #1046
• Fixed a long overflow bug in SlidingTimeWindowReservoir #1072