Update release notes for PR #21

Author: ponylang-main

.release-notes/next-release.md

@@ -4,3 +4,9 @@ LibreSSL users previously had to build with `-Dopenssl_0.9.0`, which forced Libr
 
 LibreSSL now has its own define. Projects that build against LibreSSL should switch from `-Dopenssl_0.9.0` to `-Dlibressl`.
 
+## SSLConnection ignores _notify.received value
+
+Previously, when a `TCPConnectionNotify` wrapped by `SSLConnection` returned `false` from its `received` callback to request yielding to other actors, `SSLConnection` discarded the return value and always told `TCPConnection` to continue reading. This meant backpressure signaling through SSL connections had no effect.
+
+`SSLConnection` now properly propagates the wrapped notify's `received` return value to `TCPConnection`, allowing the backpressure/yield mechanism to work through SSL connections.
+