releases.md in async-http-0.74.0 vs releases.md in async-http-0.75.0

@@ -1,6 +1,10 @@
 # Releases
 
+## v0.75.0
+
+  - Better handling of HTTP/1 \<-\> HTTP/2 proxying, specifically upgrade/CONNECT requests.
+
 ## v0.74.0
 
 ### `Async::HTTP::Internet` accepts keyword arguments
 
 `Async::HTTP::Internet` now accepts keyword arguments for making a request, e.g.