diff --git a/devel/devel20240316-B17-changelog.txt b/devel/devel20240316-B17-changelog.txt
index 53b057cb..a252f6a6 100644
--- a/devel/devel20240316-B17-changelog.txt
+++ b/devel/devel20240316-B17-changelog.txt
@@ -1 +1,2 @@
 include for mqtt corrected
+M20 vframe based on GPS time, consistent with autorx, fix #322
diff --git a/devel/devel20240316-B17-full.bin b/devel/devel20240316-B17-full.bin
index f0ca0fbd..fc6ee01b 100644
Binary files a/devel/devel20240316-B17-full.bin and b/devel/devel20240316-B17-full.bin differ
diff --git a/devel/update.ino.bin b/devel/update.ino.bin
index 31159803..df488ecc 100644
Binary files a/devel/update.ino.bin and b/devel/update.ino.bin differ
diff --git a/download.html b/download.html
index 53e82c11..c3edc2a8 100644
--- a/download.html
+++ b/download.html
@@ -46,7 +46,7 @@ <h2>Master repository</h2><ul>
 <li><a href="master/master_v0.6a-full.bin">master_v0.6a-full.bin</a> (Apr 29 21:03:35 2019)</li>
 
 </ul><h2>Development repository</h2><ul>
-<li><a href="devel/update.ino.bin">update.ino.bin</a> (Mar 17 09:13:02 2024)
+<li><a href="devel/update.ino.bin">update.ino.bin</a> (Apr 7 09:39:49 2024)
 </li>
 
 <li><a href="devel/update.fs.bin">update.fs.bin</a> (Feb 18 11:49:23 2024)
@@ -55,8 +55,9 @@ <h2>Master repository</h2><ul>
 <li><a href="devel/test-st7789-0x10000.bin">test-st7789-0x10000.bin</a> (May 28 22:13:03 2022)
 </li>
 
-<li><a href="devel/devel20240316-B17-full.bin">devel20240316-B17-full.bin</a> (Mar 17 09:13:02 2024)
+<li><a href="devel/devel20240316-B17-full.bin">devel20240316-B17-full.bin</a> (Apr 7 09:39:49 2024)
 <br>include for mqtt corrected
+M20 vframe based on GPS time, consistent with autorx, fix #322
 </li>
 
 <li><a href="devel/devel20240225-B17-full.bin">devel20240225-B17-full.bin</a> (Feb 25 13:41:24 2024)