Open edX Developers
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   .. grid-item-card:: Quick Starts
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      * :doc:`/developers/quickstarts/first_openedx_pr`
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   .. grid-item-card:: What's New
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      * :doc:`references/running_pr_tests`
      * :doc:`references/internal_data_formats/index`

   .. grid-item-card:: How-tos
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      * :doc:`how-tos/maintain-a-repo`
      * :doc:`how-tos/enable-python-upgrade-automation`
      * :doc:`how-tos/add-a-catalog-file`
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   .. grid-item-card:: Concepts
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      * :doc:`concepts/platform_overview`
      * :doc:`concepts/backend_layout_and_approach`
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   .. grid-item-card:: References
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      * :doc:`references/tools_for_maintainers`
      * :doc:`references/internal_data_formats/index`
      * `edx-platform <https://github.com/openedx/edx-platform>`_
      * `frontend-platform <https://openedx.github.io/frontend-platform>`_
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