diff --git a/docs/static/experiments/allowpackageextensions.png b/docs/static/experiments/allowpackageextensions.png
new file mode 100644
index 00000000..cc3d975d
Binary files /dev/null and b/docs/static/experiments/allowpackageextensions.png differ
diff --git a/docs/static/experiments/debugger.png b/docs/static/experiments/debugger.png
new file mode 100644
index 00000000..9b56bb48
Binary files /dev/null and b/docs/static/experiments/debugger.png differ
diff --git a/docs/static/experiments/greenscreen.png b/docs/static/experiments/greenscreen.png
new file mode 100644
index 00000000..9a141b01
Binary files /dev/null and b/docs/static/experiments/greenscreen.png differ
diff --git a/docs/static/experiments/instructions.png b/docs/static/experiments/instructions.png
new file mode 100644
index 00000000..3028b027
Binary files /dev/null and b/docs/static/experiments/instructions.png differ
diff --git a/docs/static/experiments/print.png b/docs/static/experiments/print.png
new file mode 100644
index 00000000..329b1299
Binary files /dev/null and b/docs/static/experiments/print.png differ
diff --git a/package.json b/package.json
index da46a28d..a87f3a96 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,6 @@
   },
   "dependencies": {
     "pxt-common-packages": "0.23.57",
-    "pxt-core": "4.1.3"
+    "pxt-core": "4.1.5"
   }
 }
diff --git a/pxtarget.json b/pxtarget.json
index 63221e01..e0f8f034 100644
--- a/pxtarget.json
+++ b/pxtarget.json
@@ -107,7 +107,6 @@
     },
     "simulator": {
         "autoRun": true,
-        "enableTrace": true,
         "streams": false,
         "aspectRatio": 1.22,
         "parts": true,
@@ -268,6 +267,14 @@
         "mobileSafariDownloadProtocol": "microbithex://?data",
         "extendEditor": true,
         "extendFieldEditors": true,
+        "enableTrace": true,
+        "experiments": [
+            "greenScreen",
+            "print",
+            "allowPackageExtensions",
+            "instructions",
+            "debugger"
+        ],
         "docMenu": [
             {
                 "name": "Support",
@@ -408,4 +415,4 @@
             "1": "v1"
         }
     }
-}
+}
\ No newline at end of file