diff --git a/packages/core/src/commands/clear-marks.ts b/packages/core/src/commands/clear-marks.ts
index 92a8f8b6..949ae0e4 100644
--- a/packages/core/src/commands/clear-marks.ts
+++ b/packages/core/src/commands/clear-marks.ts
@@ -6,11 +6,12 @@ import { Command } from 'prosemirror-state';
  */
 export const clearMarks = (): Command => (state, dispatch) => {
   const { from, to } = state.selection;
-  const tr = state.tr;
-  tr.removeMark(from, to);
-  tr.setStoredMarks([]);
-  if (dispatch) {
-    dispatch(tr);
+  let tr = state.tr;
+  tr = tr.removeMark(from, to);
+  tr = tr.setStoredMarks([]);
+  if (!tr.docChanged) {
+    return false;
   }
+  dispatch?.(tr);
   return true;
 };
diff --git a/packages/core/src/commands/transform-range-to-block.ts b/packages/core/src/commands/transform-range-to-block.ts
index 2cf4d964..0e092568 100644
--- a/packages/core/src/commands/transform-range-to-block.ts
+++ b/packages/core/src/commands/transform-range-to-block.ts
@@ -28,7 +28,10 @@ export const transformRangeToBlock =
         if (!nodeType.validContent(node.content)) {
           return tr;
         }
-        tr.setBlockType(pos, pos + node.nodeSize, nodeType, attrs);
+        tr.setBlockType(pos, pos + node.nodeSize, nodeType, {
+          ...node.attrs,
+          ...attrs,
+        });
         return tr;
       }, tr);
     selection = state.selection.map(tr.doc, tr.mapping);
diff --git a/packages/core/src/utils/get-block-container-children.ts b/packages/core/src/utils/get-block-container-children.ts
index ca7f92be..4838cb61 100644
--- a/packages/core/src/utils/get-block-container-children.ts
+++ b/packages/core/src/utils/get-block-container-children.ts
@@ -8,10 +8,7 @@ export const getBlockContainerChildren = (
 ) => {
   const nodes: NodePair[] = [];
   doc.nodesBetween(from, to, (node, pos, parent) => {
-    if (
-      parent?.type.spec.group?.includes('block-container') &&
-      node.type.name !== 'table'
-    ) {
+    if (parent?.type.spec.group?.includes('block-container')) {
       nodes.push({ node, pos, parent });
       return false;
     }