diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 0f4a1a9c..38982c38 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="1.8">
+    <bytecodeTargetLevel target="15">
       <module name="app" target="1.8" />
       <module name="geeksville-androidlib" target="1.7" />
       <module name="Mesh Util-geeksville-androidlib" target="1.7" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index d5d35ec4..b3c4f59b 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" default="true" project-jdk-name="15" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index e8f81507..bc2dfb5a 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -3,6 +3,7 @@
   <component name="VcsDirectoryMappings">
     <mapping directory="" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/app/src/main/proto" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/design" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/geeksville-androidlib" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/mesh_shared/src/main/proto" vcs="Git" />
   </component>