diff --git a/.gitignore b/.gitignore
index 4afc179e9..92409757a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,6 @@ model-api/build
 code/model-api/org.modelix.model.api/lib
 scripts/.mps-caches
 .idea/modules
+
+# Generated during the build
+/kotlin-js-store/
diff --git a/code/build/solutions/de.itemis.mps.extensions.build/models/de.itemis.mps.extensions.build.mps b/code/build/solutions/de.itemis.mps.extensions.build/models/de.itemis.mps.extensions.build.mps
index 7f0bf114d..1cfdbba13 100644
--- a/code/build/solutions/de.itemis.mps.extensions.build/models/de.itemis.mps.extensions.build.mps
+++ b/code/build/solutions/de.itemis.mps.extensions.build/models/de.itemis.mps.extensions.build.mps
@@ -57,6 +57,7 @@
       <concept id="927724900262033858" name="jetbrains.mps.build.structure.BuildSource_JavaOptions" flags="ng" index="2_Ic$z">
         <property id="927724900262033861" name="generateDebugInfo" index="2_Ic$$" />
         <property id="6998860900671147996" name="javaLevel" index="TZNOO" />
+        <property id="2059109515400425365" name="compiler" index="3fwGa$" />
       </concept>
       <concept id="2750015747481074431" name="jetbrains.mps.build.structure.BuildLayout_Files" flags="ng" index="2HvfSZ">
         <child id="2750015747481074432" name="path" index="2HvfZ0" />
@@ -72,10 +73,6 @@
         <reference id="2591537044435828006" name="module" index="Saw0g" />
       </concept>
       <concept id="6647099934206700647" name="jetbrains.mps.build.structure.BuildJavaPlugin" flags="ng" index="10PD9b" />
-      <concept id="7181125477683417252" name="jetbrains.mps.build.structure.BuildExternalLayoutDependency" flags="ng" index="13uUGR">
-        <reference id="7181125477683417255" name="layout" index="13uUGO" />
-        <child id="7181125477683417254" name="artifacts" index="13uUGP" />
-      </concept>
       <concept id="7389400916848050074" name="jetbrains.mps.build.structure.BuildLayout_Jar" flags="ng" index="3981dx" />
       <concept id="7389400916848050060" name="jetbrains.mps.build.structure.BuildLayout_NamedContainer" flags="ng" index="3981dR">
         <child id="4380385936562148502" name="containerName" index="Nbhlr" />
@@ -565,7 +562,7 @@
             <node concept="398BVA" id="3xFG3bj5MkQ" role="3LXTmr">
               <ref role="398BVh" node="2fo8bJE$D4t" resolve="extensions.code" />
               <node concept="2Ry0Ak" id="3xFG3bj5MkR" role="iGT6I">
-                <property role="2Ry0Am" value="mps-hacks" />
+                <property role="2Ry0Am" value="hacks" />
                 <node concept="2Ry0Ak" id="3xFG3bj5MkS" role="2Ry0An">
                   <property role="2Ry0Am" value="solutions" />
                   <node concept="2Ry0Ak" id="3xFG3bj5MkT" role="2Ry0An">
@@ -14121,6 +14118,7 @@
     <node concept="2_Ic$z" id="5KXebfcSw7" role="3989C9">
       <property role="2_Ic$$" value="true" />
       <property role="TZNOO" value="11" />
+      <property role="3fwGa$" value="IntelliJ" />
     </node>
     <node concept="1wNqPr" id="2B1T7v1mPNt" role="3989C9">
       <property role="1wNuhc" value="true" />
@@ -14135,6 +14133,12 @@
       <property role="TrG5h" value="mps.home" />
       <node concept="55IIr" id="4be$WTb2x9Y" role="398pKh" />
     </node>
+    <node concept="398rNT" id="3UyIjdU0AZ4" role="1l3spd">
+      <property role="TrG5h" value="idea_home" />
+      <node concept="398BVA" id="3UyIjdU0Bj_" role="398pKh">
+        <ref role="398BVh" node="2Xjt3l56m0Y" resolve="mps.home" />
+      </node>
+    </node>
     <node concept="398rNT" id="2fo8bJE$D4o" role="1l3spd">
       <property role="TrG5h" value="extensions.home" />
       <node concept="55IIr" id="42yR2aTbxQd" role="398pKh">
@@ -14183,18 +14187,6 @@
         <ref role="398BVh" node="2Xjt3l56m0Y" resolve="mps.home" />
       </node>
     </node>
-    <node concept="13uUGR" id="6aQMI6nH4L1" role="1l3spa">
-      <ref role="13uUGO" to="ffeo:6eCuTcwOnJO" resolve="IDEA" />
-      <node concept="398BVA" id="6aQMI6nH4VT" role="13uUGP">
-        <ref role="398BVh" node="2Xjt3l56m0Y" resolve="mps.home" />
-      </node>
-    </node>
-    <node concept="2sgV4H" id="6aQMI6nHNaz" role="1l3spa">
-      <ref role="1l3spb" to="ffeo:6S1jmf0xDFC" resolve="mpsBootstrapCore" />
-      <node concept="398BVA" id="6aQMI6nHNlt" role="2JcizS">
-        <ref role="398BVh" node="2Xjt3l56m0Y" resolve="mps.home" />
-      </node>
-    </node>
     <node concept="1l3spV" id="2Xjt3l56m3c" role="1l3spN">
       <node concept="m$_wl" id="F1NWDqrBeT" role="39821P">
         <ref role="m_rDy" node="F1NWDqr5lJ" resolve="de.itemis.mps.grammarcells" />
@@ -14236,6 +14228,10 @@
         <ref role="m_rDy" node="2H_mjOXw1Ef" resolve="de.itemis.mps.nativelibs" />
         <node concept="pUk6x" id="3D0nl1ssJJG" role="pUk7w" />
       </node>
+      <node concept="m$_wl" id="3UyIjdU0jjv" role="39821P">
+        <ref role="m_rDy" node="2H_mjOXwfJy" resolve="de.itemis.mps.nativelibs.loader" />
+        <node concept="pUk6x" id="3UyIjdU0jzs" role="pUk7w" />
+      </node>
       <node concept="398223" id="6aQMI6nGnZ6" role="39821P">
         <node concept="398223" id="2$Uje8rsx54" role="39821P">
           <node concept="3_J27D" id="2$Uje8rsx55" role="Nbhlr">
@@ -14566,7 +14562,8 @@
     <property role="TrG5h" value="tests" />
     <node concept="2_Ic$z" id="6$6tsX_CF79" role="3989C9">
       <property role="2_Ic$$" value="true" />
-      <property role="TZNOO" value="1.8" />
+      <property role="TZNOO" value="11" />
+      <property role="3fwGa$" value="IntelliJ" />
     </node>
     <node concept="1wNqPr" id="6$6tsX_CF7a" role="3989C9">
       <property role="1wNuhc" value="true" />
@@ -16968,6 +16965,7 @@
         <property role="BnDLt" value="true" />
         <property role="TrG5h" value="test.org.modelix.model.mpsadapters" />
         <property role="3LESm3" value="133bdd06-b98b-47f5-8335-a48e447f9c41" />
+        <property role="aoJFB" value="eYcmk9QOlj/sources_and_tests" />
         <node concept="398BVA" id="7g5FWGK0KzA" role="3LF7KH">
           <ref role="398BVh" node="PE3B26neqW" resolve="extensions.code" />
           <node concept="2Ry0Ak" id="7g5FWGK0KzG" role="iGT6I">
@@ -19440,6 +19438,12 @@
       <property role="TrG5h" value="mps.home" />
       <node concept="55IIr" id="1QLFoGON26t" role="398pKh" />
     </node>
+    <node concept="398rNT" id="3UyIjdU0SMh" role="1l3spd">
+      <property role="TrG5h" value="idea_home" />
+      <node concept="398BVA" id="3UyIjdU0SMV" role="398pKh">
+        <ref role="398BVh" node="6$6tsX_CF7d" resolve="mps.home" />
+      </node>
+    </node>
     <node concept="398rNT" id="1QLFoGON23s" role="1l3spd">
       <property role="TrG5h" value="extensions.home" />
       <node concept="55IIr" id="1QLFoGON23t" role="398pKh">
@@ -19556,24 +19560,6 @@
         <ref role="398BVh" node="6$6tsX_CF7d" resolve="mps.home" />
       </node>
     </node>
-    <node concept="2sgV4H" id="6yXTMcTQu49" role="1l3spa">
-      <ref role="1l3spb" to="ffeo:ymnOULAEsd" resolve="mpsTesting" />
-      <node concept="398BVA" id="6yXTMcTQu6h" role="2JcizS">
-        <ref role="398BVh" node="6$6tsX_CF7d" resolve="mps.home" />
-      </node>
-    </node>
-    <node concept="13uUGR" id="6$6tsX_CF7r" role="1l3spa">
-      <ref role="13uUGO" to="ffeo:6eCuTcwOnJO" resolve="IDEA" />
-      <node concept="398BVA" id="6$6tsX_CF7s" role="13uUGP">
-        <ref role="398BVh" node="6$6tsX_CF7d" resolve="mps.home" />
-      </node>
-    </node>
-    <node concept="2sgV4H" id="6$6tsX_CF7t" role="1l3spa">
-      <ref role="1l3spb" to="ffeo:6S1jmf0xDFC" resolve="mpsBootstrapCore" />
-      <node concept="398BVA" id="6$6tsX_CF7u" role="2JcizS">
-        <ref role="398BVh" node="6$6tsX_CF7d" resolve="mps.home" />
-      </node>
-    </node>
     <node concept="2sgV4H" id="6$6tsX_CIho" role="1l3spa">
       <ref role="1l3spb" node="2Xjt3l56m0V" resolve="de.itemis.mps.extensions" />
       <node concept="398BVA" id="2fo8bJECJBq" role="2JcizS">
diff --git a/code/model-api/test.org.modelix.model.mpsadapters/models/test.org.modelix.model.mpsadapters.wrappingmodelapi@tests.mps b/code/model-api/test.org.modelix.model.mpsadapters/models/test.org.modelix.model.mpsadapters.wrappingmodelapi@tests.mps
index 0a91af7c7..2cdf034b7 100644
--- a/code/model-api/test.org.modelix.model.mpsadapters/models/test.org.modelix.model.mpsadapters.wrappingmodelapi@tests.mps
+++ b/code/model-api/test.org.modelix.model.mpsadapters/models/test.org.modelix.model.mpsadapters.wrappingmodelapi@tests.mps
@@ -1608,17 +1608,6 @@
                   </node>
                 </node>
               </node>
-              <node concept="3vlDli" id="5pW4zr_0kLZ" role="3cqZAp">
-                <node concept="3cmrfG" id="5pW4zr_0kM0" role="3tpDZB">
-                  <property role="3cmrfH" value="22" />
-                </node>
-                <node concept="2OqwBi" id="5pW4zr_0kM1" role="3tpDZA">
-                  <node concept="37vLTw" id="5pW4zr_0kM2" role="2Oq$k0">
-                    <ref role="3cqZAo" node="5pW4zr_0kLH" resolve="children" />
-                  </node>
-                  <node concept="34oBXx" id="5pW4zr_0kM3" role="2OqNvi" />
-                </node>
-              </node>
               <node concept="3clFbH" id="1IQakYaqhdT" role="3cqZAp" />
               <node concept="3vlDli" id="5pW4zr_0BV2" role="3cqZAp">
                 <node concept="2OqwBi" id="5pW4zr_0U_N" role="3tpDZA">
@@ -1699,7 +1688,7 @@
                   <node concept="34oBXx" id="5pW4zr_0W6b" role="2OqNvi" />
                 </node>
                 <node concept="3cmrfG" id="5pW4zr_0FGT" role="3tpDZB">
-                  <property role="3cmrfH" value="13" />
+                  <property role="3cmrfH" value="12" />
                 </node>
               </node>
               <node concept="3clFbH" id="5pW4zr_0kM4" role="3cqZAp" />