diff --git a/common.gypi b/common.gypi
index 2abd12b6230251..85804f18b27612 100644
--- a/common.gypi
+++ b/common.gypi
@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.18',
+    'v8_embedder_string': '-node.19',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/include/v8.h b/deps/v8/include/v8.h
index 6d57b1b8b4d3d2..406c47383b714d 100644
--- a/deps/v8/include/v8.h
+++ b/deps/v8/include/v8.h
@@ -9804,6 +9804,11 @@ class V8_EXPORT V8 {
 
 /**
  * Helper class to create a snapshot data blob.
+ *
+ * The Isolate used by a SnapshotCreator is owned by it, and will be entered
+ * and exited by the constructor and destructor, respectively; The destructor
+ * will also destroy the Isolate. Experimental language features, including
+ * those available by default, are not available while creating a snapshot.
  */
 class V8_EXPORT SnapshotCreator {
  public:
@@ -9832,6 +9837,10 @@ class V8_EXPORT SnapshotCreator {
   SnapshotCreator(const intptr_t* external_references = nullptr,
                   StartupData* existing_blob = nullptr);
 
+  /**
+   * Destroy the snapshot creator, and exit and dispose of the Isolate
+   * associated with it.
+   */
   ~SnapshotCreator();
 
   /**
diff --git a/deps/v8/src/snapshot/serializer-common.cc b/deps/v8/src/snapshot/serializer-common.cc
index 46b8e36e9c64a9..a843771fdbb37e 100644
--- a/deps/v8/src/snapshot/serializer-common.cc
+++ b/deps/v8/src/snapshot/serializer-common.cc
@@ -76,7 +76,8 @@ ExternalReferenceEncoder::Value ExternalReferenceEncoder::Encode(
   if (maybe_index.IsNothing()) {
     void* addr = reinterpret_cast<void*>(address);
     v8::base::OS::PrintError("Unknown external reference %p.\n", addr);
-    v8::base::OS::PrintError("%s", ExternalReferenceTable::ResolveSymbol(addr));
+    v8::base::OS::PrintError("%s\n",
+                             ExternalReferenceTable::ResolveSymbol(addr));
     v8::base::OS::Abort();
   }
   Value result(maybe_index.FromJust());
diff --git a/deps/v8/src/snapshot/startup-serializer.cc b/deps/v8/src/snapshot/startup-serializer.cc
index 8b95ca6b6ac9a1..141fcfb23f1746 100644
--- a/deps/v8/src/snapshot/startup-serializer.cc
+++ b/deps/v8/src/snapshot/startup-serializer.cc
@@ -193,6 +193,7 @@ void SerializedHandleChecker::VisitRootPointers(Root root,
     PrintF("%s handle not serialized: ",
            root == Root::kGlobalHandles ? "global" : "eternal");
     (*p).Print();
+    PrintF("\n");
     ok_ = false;
   }
 }