Add release notes for 10.1.10 (#2717)

* Add release notes for 10.1.10

* remove empty line

docs/src/main/paradox/release-notes/10.1.x.md

@@ -8,9 +8,32 @@
 
 ### Changes since 10.1.9
 
-##### akka-http
+For a full overview you can also see the [10.1.10 milestone](https://github.com/akka/akka-http/milestone/51?closed=1):
+
+##### akka-http-core
 
 * Fix 205 HTTP status not to contain any HTTP entity [#2686](https://github.com/akka/akka-http/pull/2686)
+* Support multiple subprotocols in WebSocket handshake [#2606](https://github.com/akka/akka-http/issues/2606)
+* Add `endsWith` predicate to `Uri.Path` [#2480](https://github.com/akka/akka-http/pull/2480)
+* Handle unrecognized status codes according to spec [#2503](https://github.com/akka/akka-http/pull/2503]
+* Better error handling on server when response entity stream fails [#2627](https://github.com/akka/akka-http/pull/2627)
+* Force connection closure when pool is stopped [#2631](https://github.com/akka/akka-http/pull/2631)
+* Enable `log-unencrypted-network-bytes` also for websocket client traffic [#2647](https://github.com/akka/akka-http/pull/2647)
+* Add modeled header for Content-Location [#2540](https://github.com/akka/akka-http/pull/2540)
+* Streamed response processing performance improvements [#2645](https://github.com/akka/akka-http/pull/2645)
+* Make custom MediaType and MediaRange.matches case-insensitive [#2126](https://github.com/akka/akka-http/pull/2126)
+
+##### akka-http
+
+* More precise IllegalArgumentException catch for case class extraction [#2593](https://github.com/akka/akka-http/pull/2593)
+* Add logging unsupported content type [#2512](https://github.com/akka/akka-http/pull/2512)
+* Widen JavaUUID regexp's [#2624](https://github.com/akka/akka-http/pull/2624)
+
+##### akka-http2-support
+
+* Support HTTP2 in cleartext (h2c) via Upgrade from HTTP1 [#2464](https://github.com/akka/akka-http/pull/2464)
+* Backpressure incoming frames when too many outgoing control frames are buffered [#2706](https://github.com/akka/akka-http/pull/2706)
+* Fix receiving HEADERS with more than one CONTINUATION frame [#2701](https://github.com/akka/akka-http/pull/2701)
 
 ## 10.1.9