diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a2ab75..03cd02d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 if ( APPLE )
   cmake_minimum_required( VERSION 3.13 )
 else ()
-  cmake_minimum_required( VERSION 3.5 )
+  cmake_minimum_required( VERSION 3.10 )
 endif ()
 
 project( uxplay )
diff --git a/README.html b/README.html
index 20814da..7f0f9e7 100644
--- a/README.html
+++ b/README.html
@@ -11,7 +11,10 @@ found).</strong></h3>
 <ul>
 <li><em><strong>NEW in v1.71</strong>: Support for (YouTube) HLS (HTTP
 Live Streaming) video with the new “-hls” option.</em> Click on the
-airplay icon in the YouTube app to stream video.</li>
+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.) <strong>Please report any issues with this new
+feature of UxPlay</strong>.</li>
 </ul>
 <h2 id="highlights">Highlights:</h2>
 <ul>
@@ -258,7 +261,7 @@ libraries installed. Debian-based systems provide a package
 “build-essential” for use in compiling software. You also need
 pkg-config: if it is not found by “<code>which pkg-config</code>”,
 install pkg-config or its work-alike replacement pkgconf. Also make sure
-that cmake&gt;=3.5 is installed: “<code>sudo apt install cmake</code>”
+that cmake&gt;=3.10 is installed: “<code>sudo apt install cmake</code>”
 (add <code>build-essential</code> and <code>pkg-config</code> (or
 <code>pkgconf</code>) to this if needed).</p>
 <p>Make sure that your distribution provides OpenSSL 1.1.1 or later, and
diff --git a/README.md b/README.md
index 3bc3adc..8cd5ac0 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 ### **Now developed at the GitHub site [https://github.com/FDH2/UxPlay](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 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 feature of UxPlay**.
     
 ## Highlights:
 
@@ -207,7 +208,7 @@ You need a C/C++ compiler (e.g. g++) with the standard development libraries
 installed.  Debian-based systems provide a package "build-essential" for use
 in compiling software.   You also need pkg-config: if it is not found
 by "`which pkg-config`",  install pkg-config or its  work-alike replacement
-pkgconf.   Also make sure that cmake>=3.5 is installed:
+pkgconf.   Also make sure that cmake>=3.10 is installed:
 "`sudo apt install cmake`" (add ``build-essential`` and `pkg-config`
 (or ``pkgconf``)  to this if needed).
 
diff --git a/README.txt b/README.txt
index c6a563f..581d6d0 100644
--- a/README.txt
+++ b/README.txt
@@ -4,7 +4,10 @@
 
 -   ***NEW in v1.71**: Support for (YouTube) HLS (HTTP Live Streaming)
     video with the new "-hls" option.* Click on the airplay icon in the
-    YouTube app to stream video.
+    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
+    feature of UxPlay**.
 
 ## Highlights:
 
@@ -257,7 +260,7 @@ libraries installed. Debian-based systems provide a package
 "build-essential" for use in compiling software. You also need
 pkg-config: if it is not found by "`which pkg-config`", install
 pkg-config or its work-alike replacement pkgconf. Also make sure that
-cmake\>=3.5 is installed: "`sudo apt install cmake`" (add
+cmake\>=3.10 is installed: "`sudo apt install cmake`" (add
 `build-essential` and `pkg-config` (or `pkgconf`) to this if needed).
 
 Make sure that your distribution provides OpenSSL 1.1.1 or later, and