Akka.Streams.TestKit 1.4.14

Maintenance Release for Akka.NET 1.4** Akka.NET v1.4.14 contains some significant bug fixes and improvements. It is a _highly recommended upgrade_ for all Akka.NET users. Major Reduction in Idle CPU Usage and Latency for Akka.Remote** One of the most important fixes introduced in [Akka.NET v1.4.14 is the new self-tuning batching system for Akka.Remote's DotNetty transport](https://getakka.net/articles/remoting/performance.html), which simulatneously reduces idle CPU consumption on low-traffic systems by as much as 55% while improving latency by a factor of 10 for low-traffic systems. The batching system no longer needs to be configured - it can scale up and down with workload automatically in order to both maximize throughput with a minimal amount of latency. You can read more about it here: https://getakka.net/articles/remoting/performance.html Other bug fixes and improvements: [Akka: Move RouterActor routing logic controller actor instantiation from OnReceive to constructor](https://github.com/akkadotnet/akka.net/pull/4700) [Akka.Streams: Serializing a `SinkRef` wrapped inside a POCO failed](https://github.com/akkadotnet/akka.net/issues/4421) [Akka.Persistence: Akka.NET Should Allow Separate Read and Write Event Adapter Bindings](https://github.com/akkadotnet/akka.net/issues/4567) [Akka.Persistence.Query: Added Timestamp to `EventEnvelope`](https://github.com/akkadotnet/akka.net/pull/4680) - **breaking API change**; will require all Akka.Persistence plugins to be recompiled and updated. [Akka.Remote: fix NRE inside `RemotingTerminator`](https://github.com/akkadotnet/akka.net/pull/4686) To see the [full set of fixes in Akka.NET v1.4.14, please see the milestone on Github](https://github.com/akkadotnet/akka.net/milestone/45). | COMMITS | LOC+ | LOC- | AUTHOR | | --- | --- | --- | --- | | 9 | 533 | 370 | Aaron Stannard | | 4 | 5617 | 44 | Gregorius Soedharmo | | 1 | 61 | 1 | Brian Sain | | 1 | 207 | 54 | Ismael Hamed |