Fix links in markdown table rows added via Markdown.append

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## Unreleased
+
+### Fixed
+
+- Fixed links in markdown table rows added via `Markdown.append` not being clickable https://github.com/Textualize/textual/issues/6597
+
 ## [8.2.8] - 2026-06-30
 
 ### Fixed

src/textual/widgets/_markdown.py

@@ -693,14 +693,14 @@ def _update_content(self, headers: list[Content], rows: list[list[Content]]):
     async def _update_rows(self, updated_rows: list[list[Content]]) -> None:
         self.styles.grid_size_columns = len(self.headers)
         await self.query_children(f".cell.row{self.last_row}").remove()
-        new_cells: list[Static] = []
+        new_cells: list[MarkdownTableCellContents] = []
         for row_index, row in enumerate(updated_rows, self.last_row):
             for cell in row:
                 new_cells.append(
-                    Static(
+                    MarkdownTableCellContents(
                         cell,
                         classes=f"row{row_index} cell",
-                    ).with_tooltip(cell)
+                    ).with_tooltip(cell.plain)
                 )
         self.last_row = row_index
         await self.mount_all(new_cells)

tests/test_markdown.py

@@ -201,6 +201,43 @@ def log_markdown_link_clicked(
         assert app.messages == ["LinkClicked"]
 
 
+async def test_link_in_streamed_markdown_table_posts_message_when_clicked():
+    """A link inside a table row added via `Markdown.append` should post a
+    `Markdown.LinkClicked` message when clicked.
+
+    Regression test for https://github.com/Textualize/textual/issues/6597
+    """
+
+    markdown_table = """\
+| Textual Links                                     |
+| ------------------------------------------------- |
+| [GitHub](https://github.com/textualize/textual/) |
+"""
+    appended_row = "| [Documentation](https://textual.textualize.io/)  |"
+
+    class MarkdownTableApp(App):
+        messages = []
+
+        def compose(self) -> ComposeResult:
+            yield Markdown(open_links=False)
+
+        @on(Markdown.LinkClicked)
+        def log_markdown_link_clicked(
+            self,
+            event: Markdown.LinkClicked,
+        ) -> None:
+            self.messages.append(event.__class__.__name__)
+
+    app = MarkdownTableApp()
+    async with app.run_test() as pilot:
+        markdown = app.query_one(Markdown)
+        await markdown.append(markdown_table)
+        await markdown.append(appended_row)
+        await pilot.pause()
+        await pilot.click(Markdown, offset=(8, 5))
+        assert app.messages == ["LinkClicked"]
+
+
 async def test_markdown_quoting():
     # https://github.com/Textualize/textual/issues/3350
     links = []