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This introdues the idea of "upstream" and "downstream" content, where downstreams (like course components) can pull content updates from upstreams (like learning core-backed content library blocks). This supports the upcoming Content Libraries Relaunch Beta for Sumac. New features include: * A new XBlockMixin: UpstreamSyncMixin. * A new CMS Python API: cms.lib.xblock.upstream_sync * A new CMS JSON API: /api/contentstore/v2/downstreams * A temporary, very basic UI for syncing from Content Library blocks Implements: https://github.com/kdmccormick/edx-platform/blob/kdmccormick/upstream-proto/docs/decisions/0020-upstream-block.rst Co-authored-by: Braden MacDonald <braden@opencraft.com>
CMS
===
This directory contains code relating to the Open edX Content Management System ("CMS"). It allows learning content to be created, edited, versioned, and eventually published to the `Open edX Learning Mangement System <../lms>`_ ("LMS"). The main user-facing application that CMS powers is the `Open edX Studio <https://edx.readthedocs.io/projects/open-edx-building-and-running-a-course/en/latest/getting_started/CA_get_started_Studio.html#>`_
See also
--------
* `CMS vs Studio terminology <../docs/decisions/0013-cms-vs-studio.rst>`_
* `CMS vs LMS boundaries <../docs/decisions/0005-studio-lms-subdomain-boundaries.rst>`_