• bump to v33.3.2 for the grid
• legacy (CSS-only) themes now require stylesheets to be loaded externally (for example, via the external_stylesheets kwarg to the Dash constructor). See tests/examples/themes_legacy.py for an example.
• dashGridOptions now accepts a theme string or function as per AG Grid's latest theming system. See tests/examples/themes.py for examples.
• defaultProps no longer used in modern React versions