diff --git a/apps/blog/features/post-editor/lib/utils.ts b/apps/blog/features/post-editor/lib/utils.ts
index 932a074b18bd2be762dd490cbcd5ba41fd48b998..ba26f8c18ae7dcf2dd1584db7aef554af3c1760b 100644
--- a/apps/blog/features/post-editor/lib/utils.ts
+++ b/apps/blog/features/post-editor/lib/utils.ts
@@ -158,9 +158,27 @@ export const onImageUpload = async (
   signer: Signer
 ) => {
   const url = await uploadImg(file, username, signer);
-  const insertedMarkdown = insertToTextArea(` ![${file.name}](${!url ? 'UPLOAD FAILED' : url}) `);
-  if (!insertedMarkdown) return;
-  setMarkdown(insertedMarkdown);
+  const imageMarkdown = ` ![${file.name}](${!url ? 'UPLOAD FAILED' : url}) `;
+
+  // Get cursor position from textarea before updating state
+  const textarea = document.querySelector('.w-md-editor-text-input') as HTMLTextAreaElement;
+  const cursorPos = textarea?.selectionStart ?? 0;
+
+  // Use functional update to avoid race conditions with React state
+  setMarkdown((prevMarkdown) => {
+    const front = prevMarkdown.slice(0, cursorPos);
+    const back = prevMarkdown.slice(cursorPos);
+    return front + imageMarkdown + back;
+  });
+
+  // Restore cursor position after React re-renders
+  setTimeout(() => {
+    if (textarea) {
+      const newPos = cursorPos + imageMarkdown.length;
+      textarea.setSelectionRange(newPos, newPos);
+      textarea.focus();
+    }
+  }, 0);
 };
 
 export const onImageDrop = async (
@@ -198,27 +216,7 @@ export const onImagePaste = async (
   return true;
 };
 
-export const insertToTextArea = (insertString: string) => {
-  const textarea = document.querySelector('textarea');
-  if (!textarea) {
-    return null;
-  }
-
-  let sentence = textarea.value;
-  const len = sentence.length;
-  const pos = textarea.selectionStart;
-  const end = textarea.selectionEnd;
-
-  const front = sentence.slice(0, pos);
-  const back = sentence.slice(pos, len);
-
-  sentence = front + insertString + back;
-
-  textarea.value = sentence;
-  textarea.selectionEnd = end + insertString.length;
-
-  return sentence;
-};
+// insertToTextArea removed - caused #672 by DOM manipulation instead of React state
 
 export const postClassName =
   'font-source text-[16.5px] prose-h1:text-[26.4px] prose-h2:text-[23.1px] prose-h3:text-[19.8px] prose-h4:text-[18.1px] sm:text-[17.6px] sm:prose-h1:text-[28px] sm:prose-h2:text-[24.7px] sm:prose-h3:text-[22.1px] sm:prose-h4:text-[19.4px] lg:text-[19.2px] lg:prose-h1:text-[30.7px] lg:prose-h2:text-[28.9px] lg:prose-h3:text-[23px] lg:prose-h4:text-[21.1px] prose-p:mb-6 prose-p:mt-0 prose-img:cursor-pointer prose-img:max-w-full prose-img:h-auto';
diff --git a/apps/blog/features/post-editor/md-editor.tsx b/apps/blog/features/post-editor/md-editor.tsx
index 580be3e2f680118b176af3cbedb8910a3af743c5..f7afe253ba95f595c8abef88220bccf12040e067 100644
--- a/apps/blog/features/post-editor/md-editor.tsx
+++ b/apps/blog/features/post-editor/md-editor.tsx
@@ -2,10 +2,9 @@
 
 import '@uiw/react-md-editor/markdown-editor.css';
 import {
-  Dispatch,
   FC,
+  KeyboardEvent,
   MutableRefObject,
-  SetStateAction,
   useCallback,
   useEffect,
   useRef,
@@ -105,6 +104,30 @@ const MdEditor: FC<MdEditorProps> = ({ onChange, persistedValue = '', placeholde
     [setFormValue, signer]
   );
 
+  // Handle Ctrl+Home/End to ensure cursor scrolls into view (Firefox fix)
+  const keyDownHandler = useCallback((event: KeyboardEvent<HTMLDivElement>) => {
+    const isCtrlOrCmd = event.ctrlKey || event.metaKey;
+    if (isCtrlOrCmd && (event.key === 'Home' || event.key === 'End')) {
+      // Let the default behavior happen first, then scroll
+      setTimeout(() => {
+        const textarea = document.querySelector('.w-md-editor-text-input') as HTMLTextAreaElement;
+        if (textarea) {
+          // Create a temporary span at cursor position to scroll to
+          const cursorPos = event.key === 'Home' ? 0 : textarea.value.length;
+          textarea.setSelectionRange(cursorPos, cursorPos);
+          textarea.blur();
+          textarea.focus();
+          // Ensure the textarea scrolls to show cursor
+          if (event.key === 'Home') {
+            textarea.scrollTop = 0;
+          } else {
+            textarea.scrollTop = textarea.scrollHeight;
+          }
+        }
+      }, 0);
+    }
+  }, []);
+
   const imgBtn = (inputRef: MutableRefObject<HTMLInputElement>): commands.ICommand => ({
     name: 'Text To Image',
     keyCommand: 'text2image',
@@ -189,7 +212,7 @@ const MdEditor: FC<MdEditorProps> = ({ onChange, persistedValue = '', placeholde
         //@ts-ignore
         onChange={inputImageHandler}
       />
-      <div className="relative" onPaste={pasteHandler}>
+      <div className="relative" onPaste={pasteHandler} onKeyDown={keyDownHandler}>
         <div>
           <MDEditor
             ref={editorRef}
diff --git a/apps/blog/features/post-rendering/rendererContainer.tsx b/apps/blog/features/post-rendering/rendererContainer.tsx
index 150ab1d20f1717758c25e106a83999132474e4f8..f4e1aa35e98d45f2ebb6c7f237154d3c365b4d08 100644
--- a/apps/blog/features/post-rendering/rendererContainer.tsx
+++ b/apps/blog/features/post-rendering/rendererContainer.tsx
@@ -60,8 +60,9 @@ const RendererContainer = ({
     threeSpeak?.forEach((link) => {
       link.classList.add('videoWrapper');
     });
-    const paragraphs = ref.current?.querySelectorAll('p');
-    if (!mainPost) paragraphs?.forEach((p) => (p.className = 'my-0'));
+    // Note: Previously removed margins from paragraphs when !mainPost (preview mode)
+    // This caused issue #759 where line breaks/spacing weren't visible in preview
+    // Now paragraphs keep their default prose styling in both preview and published view
     if (communityDescription) {
       const elementsWithVideoWrapper = document.querySelectorAll('.videoWrapper');
       elementsWithVideoWrapper.forEach((element) => {
diff --git a/packages/renderer/src/renderers/default/embedder/HtmlDOMParser.ts b/packages/renderer/src/renderers/default/embedder/HtmlDOMParser.ts
index 19bfcbf60a335ad8638fa5cfbfe2b0c8d96ca7cc..7ac95dd1b6fab8ced49fe73cfc27376b99e5e0c6 100644
--- a/packages/renderer/src/renderers/default/embedder/HtmlDOMParser.ts
+++ b/packages/renderer/src/renderers/default/embedder/HtmlDOMParser.ts
@@ -327,12 +327,18 @@ export class HtmlDOMParser {
             const data = this.xmlSerializer.serializeToString(child);
             const content = this.linkify(data);
             if (this.mutate && content !== data) {
-                const newChild = this.domParser.parseFromString(`<span>${content}</span>`).childNodes[0];
                 const parent = child.parentNode;
                 if (parent) {
-                    parent.insertBefore(newChild, child);
+                    // Parse linkified content and insert children directly (without span wrapper)
+                    // This fixes issue #632 where span wrappers could break table cell rendering
+                    const tempDoc = this.domParser.parseFromString(`<span>${content}</span>`);
+                    const wrapper = tempDoc.childNodes[0] as Element;
+                    if (wrapper && wrapper.childNodes) {
+                        Array.from(wrapper.childNodes).forEach((newChild) => {
+                            parent.insertBefore(newChild.cloneNode(true), child);
+                        });
+                    }
                     parent.removeChild(child);
-                    parent.appendChild;
                 }
                 return;
             }
diff --git a/packages/tailwindcss/globals.css b/packages/tailwindcss/globals.css
index 2569b001fa324d938e95330425a3ba05545ae7a6..c5e5911aeff12e603fa0f158200d42cff461bbda 100644
--- a/packages/tailwindcss/globals.css
+++ b/packages/tailwindcss/globals.css
@@ -214,6 +214,19 @@
   hyphens: none;
 }
 
+/* Fix table cell content rendering - issue #632 */
+.prose table td a,
+.prose table th a {
+  word-break: normal;
+  white-space: nowrap;
+}
+
+.prose table td,
+.prose table th {
+  vertical-align: middle;
+  padding: 8px 12px;
+}
+
 .dark .w-md-editor-text .token.title {
   color: #fff !important;
 }