[changelog] adding 2.11.0 updates

CHANGELOG.md

@@ -1,5 +1,14 @@
 # CHANGELOG
 
+## 2.11.0 / Unreleased
+
+[FEATURE] Aggregation: simple type client-side aggregation. See [#121][]
+[IMPROVEMENT] UDP+UDS: set better defaults for max packet size. See [#125][]
+[BUGFIX] Aggregator: fix thread leak + dont always start scheduler. See [#129][]
+[BUGFIX] Sampling: on counts to be disabled when aggregation is enabled. See [#127][]
+[BUGFIX] Processor: shutdown the executor on cue, dont leak. See [#126][]
+[DOCS] Aggregation: update with new aggregation instructions. See [#122][]
+
 ## 2.10.3 / 2020.07.17
 * [BUGFIX] Fix library shutdown: use daemon threads for StatsDProcess + TimerTask. See [#117][] (Thanks [@blevz][])
 
@@ -112,8 +121,14 @@ Fork from [indeedeng/java-dogstatsd-client] (https://github.com/indeedeng/java-d
 [#111]: https://github.com/DataDog/java-dogstatsd-client/issues/111
 [#115]: https://github.com/DataDog/java-dogstatsd-client/issues/115
 [#117]: https://github.com/DataDog/java-dogstatsd-client/issues/117
+[#121]: https://github.com/DataDog/java-dogstatsd-client/issues/121
+[#122]: https://github.com/DataDog/java-dogstatsd-client/issues/122
+[#125]: https://github.com/DataDog/java-dogstatsd-client/issues/125
+[#126]: https://github.com/DataDog/java-dogstatsd-client/issues/126
+[#127]: https://github.com/DataDog/java-dogstatsd-client/issues/127
+[#129]: https://github.com/DataDog/java-dogstatsd-client/issues/129
 [@PatrickAuld]: https://github.com/PatrickAuld
 [@blevz]: https://github.com/blevz
 [@cithal]: https://github.com/cithal
 [@hanny24]: https://github.com/hanny24
-[@njhill]: https://github.com/njhill
+[@njhill]: https://github.com/njhill