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+title: Release Notes for v3.4
+
+# Python-Markdown 3.4 Release Notes
+
+Python-Markdown version 3.4 supports Python versions 3.6, 3.7, 3.8, 3.9 and PyPy3.
+
+## Backwards-incompatible changes
+
+### The `table` extension now uses a `style` attribute instead of `align` attribute for alignment.
+
+The [HTML4 spec][spec4] specifically
+deprecates the use of the `align` attribute and it does not appear at all in the 
+[HTML5 spec][spec5]. Therefore, by default, the [table] extension will now use the `style`
+attribute (setting just the `text-align` property) in `td` and `th` blocks.
+
+[spec4]: https://www.w3.org/TR/html4/present/graphics.html#h-15.1.2
+[spec5]: https://www.w3.org/TR/html53/tabular-data.html#attributes-common-to-td-and-th-elements
+
+The former behavior is available by setting the setting `use_align_attribute` configuration
+option to `True` when adding the extension.
+
+For example, to configure the old `align` behavior:
+
+```python
+from markdown.extensions.tables import TableExtension
+
+markdown.markdown(src, extensions=[TableExtension(use_align_attribute=True)])
+```
+
+In addition, tests were moved to the modern test environment.
+
+## New features
+
+The following new features have been included in the 3.3 release:
+
+* Use `style` attribute in tables for alignment instead of `align` for better CSS
+  inter-operation. The old behavior is available by setting `use_align_attribute=True` when
+  adding the extension.
+
+## Bug fixes
+
+The following bug fixes are included in the 3.4 release:
+
+