Update RELEASE_NOTES.md

Signed-off-by: Sahas Subramanian <[email protected]>

Author: shsms

RELEASE_NOTES.md

@@ -14,6 +14,8 @@ The `Timer` now can be started with a delay.
 
   This can be useful, for example, if the timer needs to be *aligned* to a particular time. The alternative to this would be to `sleep()` for the time needed to align the timer, but if the `sleep()` call gets delayed because the event loop is busy, then a re-alignment is needed and this could go on for a while. The only way to guarantee a certain alignment (with a reasonable precision) is to delay the timer start.
 
+* `Broadcast.resend_latest` is now a public attribute, allowing it to be changed after the channel is created.
+
 ## Bug Fixes
 
 <!-- Here goes notable bug fixes that are worth a special mention or explanation -->