diff --git a/examples/notebooks/tutorials/asynctransformer.ipynb b/examples/notebooks/tutorials/asynctransformer.ipynb
index 8aaba0f5..e639fa08 100644
--- a/examples/notebooks/tutorials/asynctransformer.ipynb
+++ b/examples/notebooks/tutorials/asynctransformer.ipynb
@@ -162,11 +162,11 @@
           "output_type": "stream",
           "text": [
             "            | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 3   | 1732685665564 | 1\n",
-            "^3CZ78B4... | 2     | 3   | 1732685665764 | 1\n",
-            "^YYY4HAB... | 6     | 7   | 1732685665764 | 1\n",
-            "^3HN31E1... | 6     | 7   | 1732685666166 | 1\n",
-            "^X1MXHYY... | 12    | 13  | 1732685666166 | 1\n"
+            "^Z3QWT29... | 2     | 3   | 1732772080278 | 1\n",
+            "^3CZ78B4... | 2     | 3   | 1732772080478 | 1\n",
+            "^YYY4HAB... | 6     | 7   | 1732772080478 | 1\n",
+            "^3HN31E1... | 6     | 7   | 1732772080878 | 1\n",
+            "^X1MXHYY... | 12    | 13  | 1732772080878 | 1\n"
           ]
         }
       ],
@@ -410,12 +410,12 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685669490 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685669590 | -1\n",
-            "^Z3QWT29... | 2     | 3     | 4   | 1732685669590 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685669792 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685669992 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1732685669992 | 1\n"
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772084220 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772084320 | -1\n",
+            "^Z3QWT29... | 2     | 3     | 4   | 1732772084320 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772084522 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772084722 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1732772084722 | 1\n"
           ]
         }
       ],
@@ -537,18 +537,18 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685670218 | 1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1732685670218 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685670520 | -1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1732685670520 | -1\n",
-            "^Z3QWT29... | 2     | 4     | 5   | 1732685670520 | 1\n",
-            "^3HN31E1... | 4     | 2     | 3   | 1732685670520 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685670618 | 1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1732685670618 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685670720 | -1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1732685670720 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1732685670720 | 1\n",
-            "^3CZ78B4... | 3     | 2     | 3   | 1732685670720 | 1\n"
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772084972 | 1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1732772084972 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772085274 | -1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1732772085274 | -1\n",
+            "^Z3QWT29... | 2     | 4     | 5   | 1732772085274 | 1\n",
+            "^3HN31E1... | 4     | 2     | 3   | 1732772085274 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772085374 | 1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1732772085374 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772085474 | -1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1732772085474 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1732772085474 | 1\n",
+            "^3CZ78B4... | 3     | 2     | 3   | 1732772085474 | 1\n"
           ]
         }
       ],
@@ -581,16 +581,16 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685670832 | 1\n",
-            "^3CZ78B4... | 3     | 2     | 3   | 1732685670932 | 1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1732685671032 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685671132 | -1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1732685671132 | -1\n",
-            "^Z3QWT29... | 2     | 4     | 5   | 1732685671132 | 1\n",
-            "^3HN31E1... | 4     | 2     | 3   | 1732685671132 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685671232 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685671332 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1732685671332 | 1\n"
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772085588 | 1\n",
+            "^3CZ78B4... | 3     | 2     | 3   | 1732772085688 | 1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1732772085788 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772085888 | -1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1732772085888 | -1\n",
+            "^Z3QWT29... | 2     | 4     | 5   | 1732772085888 | 1\n",
+            "^3HN31E1... | 4     | 2     | 3   | 1732772085888 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772085988 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772086088 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1732772086088 | 1\n"
           ]
         }
       ],
@@ -633,18 +633,18 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685671478 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685671478 | 1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1732685671478 | 1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1732685671478 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685671978 | -1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685671978 | -1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1732685671978 | -1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1732685671978 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1732685671978 | 1\n",
-            "^Z3QWT29... | 2     | 4     | 5   | 1732685671978 | 1\n",
-            "^3CZ78B4... | 3     | 2     | 3   | 1732685671978 | 1\n",
-            "^3HN31E1... | 4     | 2     | 3   | 1732685671978 | 1\n"
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772086214 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772086214 | 1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1732772086214 | 1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1732772086214 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772086716 | -1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772086716 | -1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1732772086716 | -1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1732772086716 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1732772086716 | 1\n",
+            "^Z3QWT29... | 2     | 4     | 5   | 1732772086716 | 1\n",
+            "^3CZ78B4... | 3     | 2     | 3   | 1732772086716 | 1\n",
+            "^3HN31E1... | 4     | 2     | 3   | 1732772086716 | 1\n"
           ]
         }
       ],
@@ -688,16 +688,16 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685672110 | 1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1732685672110 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1732685672410 | -1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1732685672410 | -1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685672510 | 1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1732685672510 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1732685672610 | -1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1732685672610 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1732685672610 | 1\n",
-            "^3CZ78B4... | 3     | 2     | 3   | 1732685672610 | 1\n"
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772086834 | 1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1732772086834 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1732772087134 | -1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1732772087134 | -1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772087236 | 1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1732772087236 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1732772087334 | -1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1732772087334 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1732772087334 | 1\n",
+            "^3CZ78B4... | 3     | 2     | 3   | 1732772087334 | 1\n"
           ]
         }
       ],
diff --git a/examples/notebooks/tutorials/udf.ipynb b/examples/notebooks/tutorials/udf.ipynb
index e37c2734..9fbfd923 100644
--- a/examples/notebooks/tutorials/udf.ipynb
+++ b/examples/notebooks/tutorials/udf.ipynb
@@ -900,7 +900,14 @@
           "name": "stdout",
           "output_type": "stream",
           "text": [
-            "inc_async(0.2) finishing\n"
+            "inc_async(0.2) finishing"
+          ]
+        },
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "\n"
           ]
         },
         {