detect unsupported (non-youtube) HLS

README.md

@@ -3,7 +3,9 @@
 ### **Now developed at the GitHub site <https://github.com/FDH2/UxPlay> (where ALL user issues should be posted, and latest versions can be found).**
 
 -   ***NEW in v1.71**: Support for (YouTube) HLS (HTTP Live Streaming)
-    video with the new "-hls" option.* Click on the airplay icon in the
+    video with the new "-hls" option.* **Only streaming from the YouTube iOS app
+    is currently supported**: (streaming using the AirPlay icon in a browser window
+    is **not** yet supported).Click on the airplay icon in the
     YouTube app to stream video. (You may need to wait until
     advertisements have finished or been skipped before clicking the
     YouTube airplay icon.) **Please report any issues with this new
@@ -11,9 +13,6 @@
     GStreamer playbin v3: use "-hls 2" to revert to playbin v2 if
     some videos fail to play_.
 
-***NEWS***: macOS Sequoia 15.2 has an AirPlay bug: update to macOS 15.3
-   for mirroring  screen with UxPlay.
-
 ## Highlights:
 
 -   GPLv3, open source.