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- Adds the `top_level_parent_usage_key` to the `EntityLinkBase` - This field is used to save the top-level parent of a component or container when it is imported into a course. Example: A unit with components imported into a course. The unit is the top-level parent of the components. - Updates the `DownstreamListView` to return the top-level parents instead of downstream child, if this parent exists. - Each time containers with children were synchronized, a new downstream block was created for each child instead of updating the existing one. This occurred because the `upstream_key` was incorrectly validated as an `Opaquekey` against a list of key strings. This was fixed by converting the `upstream_key` to a string before the verification. (see34cd5a4781and29647831dc) - Which edX user roles will this change impact? "Course Author", "Developer".
openedx ------- This directory (openedx) should contain code that is used by both `LMS <https://github.com/openedx/edx-platform/tree/master/lms>`_ and `CMS <https://github.com/openedx/edx-platform/tree/master/cms>`_. If your code is specific to LMS or CMS, put it in those directories instead. Like openedx, the directory `common <https://github.com/openedx/edx-platform/tree/master/common>`_ also contains code used by both LMS and CMS. At some point we'll merge the two. Lastly, the directory `xmodule <https://github.com/openedx/edx-platform/tree/master/xmodule>`_ contains legacy core code, also used by both LMS and CMS. We're in the middle of a long process of phasing that code out. Don't add new code there.