diff --git a/documentation/sdk-manual/figures/sdk-devtool-upgrade-flow.png b/documentation/sdk-manual/figures/sdk-devtool-upgrade-flow.png
new file mode 100644
index 0000000000..65474dad02
Binary files /dev/null and b/documentation/sdk-manual/figures/sdk-devtool-upgrade-flow.png differ
diff --git a/documentation/sdk-manual/sdk-extensible.xml b/documentation/sdk-manual/sdk-extensible.xml
index bb51683a44..67df1b0975 100644
--- a/documentation/sdk-manual/sdk-extensible.xml
+++ b/documentation/sdk-manual/sdk-extensible.xml
@@ -604,6 +604,170 @@
+
+