diff --git a/devel/devel20210910test-B14-changelog.txt b/devel/devel20210910test-B14-changelog.txt
new file mode 100644
index 0000000..de401d6
--- /dev/null
+++ b/devel/devel20210910test-B14-changelog.txt
@@ -0,0 +1 @@
+arduino esp32 2.0 w/ updated espressif board mamanger url
diff --git a/devel/devel20210910test-B14-full.bin b/devel/devel20210910test-B14-full.bin
new file mode 100644
index 0000000..f2e2010
Binary files /dev/null and b/devel/devel20210910test-B14-full.bin differ
diff --git a/devel/update-info.html b/devel/update-info.html
index b897216..b424842 100644
--- a/devel/update-info.html
+++ b/devel/update-info.html
@@ -1 +1 @@
-<html><body><p>devel20210908b-B14</p></body></html>
+<html><body><p>devel20210910test-B14</p></body></html>
diff --git a/devel/update.ino.bin b/devel/update.ino.bin
index 86c5bb3..7a72091 100644
Binary files a/devel/update.ino.bin and b/devel/update.ino.bin differ
diff --git a/download.html b/download.html
index f8dfd97..4ee9818 100644
--- a/download.html
+++ b/download.html
@@ -24,7 +24,11 @@
 <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> (Sep 9 21:28:28 2021)
+<li><a href="devel/update.ino.bin">update.ino.bin</a> (Sep 10 12:01:59 2021)
+</li>
+
+<li><a href="devel/devel20210910test-B14-full.bin">devel20210910test-B14-full.bin</a> (Sep 10 12:01:59 2021)
+<br>arduino esp32 2.0 w/ updated espressif board mamanger url
 </li>
 
 <li><a href="devel/devel20210908-B14-full.bin">devel20210908-B14-full.bin</a> (Sep 9 14:30:04 2021)
