diff --git a/.CI/installLibraries.mos b/.CI/installLibraries.mos
index 56ed137..d9606f9 100644
--- a/.CI/installLibraries.mos
+++ b/.CI/installLibraries.mos
@@ -2,6 +2,10 @@
 //        usually the newest version will be loaded instead if you remove them!
 //        SO: first remove them from configs/conf* then remove them from here.
 updatePackageIndex();
+if not installPackage(Modelica, "3.1.0", exactMatch=true) then
+    print("Modelica 3.1.0 " + getErrorString() + "\n");
+    exit(1);
+end if;
 if not installPackage(Modelica, "4.1.0-beta.om", exactMatch=true) then
     print("Modelica 4.1.0-beta.om" + getErrorString() + "\n");
     exit(1);
@@ -10,17 +14,13 @@ if not installPackage(ModelicaServices, "4.1.0-beta.om", exactMatch=true) then
     print("ModelicaServices 4.1.0-beta.om" + getErrorString() + "\n");
     exit(1);
 end if;
-if not installPackage(ModelicaServices, "trunk", exactMatch=true) then
-    print("ModelicaServices trunk" + getErrorString() + "\n");
-    exit(1);
-end if;
-for v in {"3.2.3","4.1.0-beta.om"} loop
+for v in {"3.2.1","3.2.2","3.2.3","4.0.0","4.1.0-beta.om","trunk"} loop
   if not installPackage(ModelicaTest, v, exactMatch=true) then
     print("ModelicaTest " + v + " " + getErrorString() + "\n");
     exit(1);
   end if;
 end for;
-for v in {"maint.11.x", "maint.12.x", "master"} loop
+for v in {"1.6", "3.0.0", "maint.7.0.x", "maint.8.1.x", "maint.9.1.x", "maint.10.0.x", "maint.11.x", "maint.12.x", "master"} loop
   if not installPackage(Buildings, v) then
     print("Buildings " + v + " " + getErrorString() + "\n");
     exit(1);
@@ -90,11 +90,9 @@ end for;
 
 print("Did install:" + getErrorString() + "\n");
 
-/* do not upgrade as it will reinstall libs!
 if not upgradeInstalledPackages() then
   print("Failed upgrade:\n" + getErrorString() + "\n");
   exit(1);
 end if;
 
 print("Did upgrade:\n" + getErrorString() + "\n");
-*/
\ No newline at end of file
diff --git a/configs/conf.json b/configs/conf.json
index 9f65087..51dce44 100644
--- a/configs/conf.json
+++ b/configs/conf.json
@@ -1,4 +1,14 @@
 [
+  {
+    "library":"Modelica",
+    "libraryVersion":"trunk",
+    "referenceFileExtension":"csv",
+    "referenceFileNameDelimiter":"/",
+    "referenceFileNameExtraName":"$ClassName",
+    "referenceFiles":"$MSLREFERENCE/MAP-LIB_ReferenceResults/v4.1.0",
+    "extraCustomCommands":["if not setCommandLineOptions(\"--std=3.3\") then exit(1); end if;"],
+    "optlevel":"-Os -march=native"
+  },
   {
     "library":"Modelica",
     "libraryVersion":"4.1.0-beta.om",
@@ -9,6 +19,16 @@
     "extraCustomCommands":["if not setCommandLineOptions(\"--std=3.3\") then exit(1); end if;"],
     "optlevel":"-Os -march=native"
   },
+  {
+    "library":"Modelica",
+    "libraryVersion":"4.0.0",
+    "referenceFileExtension":"csv",
+    "referenceFileNameDelimiter":"/",
+    "referenceFileNameExtraName":"$ClassName",
+    "allReferenceFilesExist":false,
+    "referenceFiles":"$MSLREFERENCE/MAP-LIB_ReferenceResults/v4.0.0",
+    "optlevel":"-Os -march=native"
+  },
   {
     "library":"Modelica",
     "libraryVersion":"3.2.3",