Start of update to Release Notes

diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index ec620291cf6996c4c4da7fd1d27d2c49536d07f8..f0ca50614a51bcff5af4622184ebcfdad6acdfba 100644 (file)
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+Version 4.1-rc0 Release Candidate
+====
+With Version 4.1, Shairport Sync can now optionally be built to support AirPlay 2 operation. It works with iOS, iPadOS, macOS, HomePod mini and Apple TV sources, but not with Windows.
+
+It is still possible to build Shairport Sync to support "classic" AirPlay (aka "AirPlay 1").
+
+There have been many many bug fixes and enhancements to the core operation of Shairport Sync.
+
+A list of the new features and important bug fixes will appear here shortly.
+
+The Docker images need some further work before they are updated.
+
+
 Please see the [Release Notes for 3.3](https://github.com/mikebrady/shairport-sync/releases/tag/3.3).
 
 Version 3.3.9