diff --git a/dist/dev.cjs b/dist/dev.cjs
index 7104749..dc3eac9 100644
--- a/dist/dev.cjs
+++ b/dist/dev.cjs
@@ -764,6 +764,8 @@ function runComputation(node, value, time) {
     if (node.updatedAt != null && "observers" in node) {
       writeSignal(node, nextValue, true);
     } else if (Transition && Transition.running && node.pure) {
+      // On first computation during transition, also set committed value #2046
+      if (!Transition.sources.has(node)) node.value = nextValue;
       Transition.sources.add(node);
       node.tValue = nextValue;
     } else node.value = nextValue;
@@ -987,18 +989,21 @@ function cleanNode(node) {
     }
   }
   if (node.tOwned) {
-    for (i = node.tOwned.length - 1; i >= 0; i--) cleanNode(node.tOwned[i]);
+    const tOwned = node.tOwned;
     delete node.tOwned;
+    for (i = tOwned.length - 1; i >= 0; i--) cleanNode(tOwned[i]);
   }
   if (Transition && Transition.running && node.pure) {
     reset(node, true);
   } else if (node.owned) {
-    for (i = node.owned.length - 1; i >= 0; i--) cleanNode(node.owned[i]);
+    const owned = node.owned;
     node.owned = null;
+    for (i = owned.length - 1; i >= 0; i--) cleanNode(owned[i]);
   }
   if (node.cleanups) {
-    for (i = node.cleanups.length - 1; i >= 0; i--) node.cleanups[i]();
+    const cleanups = node.cleanups;
     node.cleanups = null;
+    for (i = cleanups.length - 1; i >= 0; i--) cleanups[i]();
   }
   if (Transition && Transition.running) node.tState = 0;else node.state = 0;
   delete node.sourceMap;
diff --git a/dist/dev.js b/dist/dev.js
index ea5e4bc..a2e2d59 100644
--- a/dist/dev.js
+++ b/dist/dev.js
@@ -762,6 +762,8 @@ function runComputation(node, value, time) {
     if (node.updatedAt != null && "observers" in node) {
       writeSignal(node, nextValue, true);
     } else if (Transition && Transition.running && node.pure) {
+      // On first computation during transition, also set committed value #2046
+      if (!Transition.sources.has(node)) node.value = nextValue;
       Transition.sources.add(node);
       node.tValue = nextValue;
     } else node.value = nextValue;
@@ -985,18 +987,21 @@ function cleanNode(node) {
     }
   }
   if (node.tOwned) {
-    for (i = node.tOwned.length - 1; i >= 0; i--) cleanNode(node.tOwned[i]);
+    const tOwned = node.tOwned;
     delete node.tOwned;
+    for (i = tOwned.length - 1; i >= 0; i--) cleanNode(tOwned[i]);
   }
   if (Transition && Transition.running && node.pure) {
     reset(node, true);
   } else if (node.owned) {
-    for (i = node.owned.length - 1; i >= 0; i--) cleanNode(node.owned[i]);
+    const owned = node.owned;
     node.owned = null;
+    for (i = owned.length - 1; i >= 0; i--) cleanNode(owned[i]);
   }
   if (node.cleanups) {
-    for (i = node.cleanups.length - 1; i >= 0; i--) node.cleanups[i]();
+    const cleanups = node.cleanups;
     node.cleanups = null;
+    for (i = cleanups.length - 1; i >= 0; i--) cleanups[i]();
   }
   if (Transition && Transition.running) node.tState = 0;else node.state = 0;
   delete node.sourceMap;
diff --git a/dist/server.cjs b/dist/server.cjs
index e715309..188ba81 100644
--- a/dist/server.cjs
+++ b/dist/server.cjs
@@ -127,12 +127,14 @@ function onCleanup(fn) {
 }
 function cleanNode(node) {
   if (node.owned) {
-    for (let i = 0; i < node.owned.length; i++) cleanNode(node.owned[i]);
+    const owned = node.owned;
     node.owned = null;
+    for (let i = 0; i < owned.length; i++) cleanNode(owned[i]);
   }
   if (node.cleanups) {
-    for (let i = 0; i < node.cleanups.length; i++) node.cleanups[i]();
+    const cleanups = node.cleanups;
     node.cleanups = null;
+    for (let i = 0; i < cleanups.length; i++) cleanups[i]();
   }
 }
 function catchError(fn, handler) {
diff --git a/dist/server.js b/dist/server.js
index d5f8803..320d9af 100644
--- a/dist/server.js
+++ b/dist/server.js
@@ -125,12 +125,14 @@ function onCleanup(fn) {
 }
 function cleanNode(node) {
   if (node.owned) {
-    for (let i = 0; i < node.owned.length; i++) cleanNode(node.owned[i]);
+    const owned = node.owned;
     node.owned = null;
+    for (let i = 0; i < owned.length; i++) cleanNode(owned[i]);
   }
   if (node.cleanups) {
-    for (let i = 0; i < node.cleanups.length; i++) node.cleanups[i]();
+    const cleanups = node.cleanups;
     node.cleanups = null;
+    for (let i = 0; i < cleanups.length; i++) cleanups[i]();
   }
 }
 function catchError(fn, handler) {
diff --git a/dist/solid.cjs b/dist/solid.cjs
index 7c133a2..5ef1501 100644
--- a/dist/solid.cjs
+++ b/dist/solid.cjs
@@ -717,6 +717,8 @@ function runComputation(node, value, time) {
     if (node.updatedAt != null && "observers" in node) {
       writeSignal(node, nextValue, true);
     } else if (Transition && Transition.running && node.pure) {
+      // On first computation during transition, also set committed value #2046
+      if (!Transition.sources.has(node)) node.value = nextValue;
       Transition.sources.add(node);
       node.tValue = nextValue;
     } else node.value = nextValue;
@@ -938,18 +940,21 @@ function cleanNode(node) {
     }
   }
   if (node.tOwned) {
-    for (i = node.tOwned.length - 1; i >= 0; i--) cleanNode(node.tOwned[i]);
+    const tOwned = node.tOwned;
     delete node.tOwned;
+    for (i = tOwned.length - 1; i >= 0; i--) cleanNode(tOwned[i]);
   }
   if (Transition && Transition.running && node.pure) {
     reset(node, true);
   } else if (node.owned) {
-    for (i = node.owned.length - 1; i >= 0; i--) cleanNode(node.owned[i]);
+    const owned = node.owned;
     node.owned = null;
+    for (i = owned.length - 1; i >= 0; i--) cleanNode(owned[i]);
   }
   if (node.cleanups) {
-    for (i = node.cleanups.length - 1; i >= 0; i--) node.cleanups[i]();
+    const cleanups = node.cleanups;
     node.cleanups = null;
+    for (i = cleanups.length - 1; i >= 0; i--) cleanups[i]();
   }
   if (Transition && Transition.running) node.tState = 0;else node.state = 0;
 }
diff --git a/dist/solid.js b/dist/solid.js
index 656fd26..6e0038c 100644
--- a/dist/solid.js
+++ b/dist/solid.js
@@ -715,6 +715,8 @@ function runComputation(node, value, time) {
     if (node.updatedAt != null && "observers" in node) {
       writeSignal(node, nextValue, true);
     } else if (Transition && Transition.running && node.pure) {
+      // On first computation during transition, also set committed value #2046
+      if (!Transition.sources.has(node)) node.value = nextValue;
       Transition.sources.add(node);
       node.tValue = nextValue;
     } else node.value = nextValue;
@@ -936,18 +938,21 @@ function cleanNode(node) {
     }
   }
   if (node.tOwned) {
-    for (i = node.tOwned.length - 1; i >= 0; i--) cleanNode(node.tOwned[i]);
+    const tOwned = node.tOwned;
     delete node.tOwned;
+    for (i = tOwned.length - 1; i >= 0; i--) cleanNode(tOwned[i]);
   }
   if (Transition && Transition.running && node.pure) {
     reset(node, true);
   } else if (node.owned) {
-    for (i = node.owned.length - 1; i >= 0; i--) cleanNode(node.owned[i]);
+    const owned = node.owned;
     node.owned = null;
+    for (i = owned.length - 1; i >= 0; i--) cleanNode(owned[i]);
   }
   if (node.cleanups) {
-    for (i = node.cleanups.length - 1; i >= 0; i--) node.cleanups[i]();
+    const cleanups = node.cleanups;
     node.cleanups = null;
+    for (i = cleanups.length - 1; i >= 0; i--) cleanups[i]();
   }
   if (Transition && Transition.running) node.tState = 0;else node.state = 0;
 }