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Originally, we planned to add support for V2 libraries and for static (hand-selected) library block reference via new block type: library_sourced. We have since decided that it would be better to add those capabilities in-place to the existing library_content block. This will ease V1->V2 library migration and make adoption of the new features easier for current library users. It will also avoid duplication of logic between two block types, we we fear would be error-prone. For details, see this ADR: https://github.com/openedx/edx-platform/pull/33231 So, we are removing the library_sourced block. This block has existed in edx-platform for a few years now, but was not enabled by default and never officially supported. It was only usable via the experimental V2 content library feature. Operators who added library_sourced blocks to their course will now see them render as `HiddenBlock` instances, i.e.: > ERROR: "library_sourced" is an unknown component type... This should not impact other component types in such courses and should not impact import/export.
Open edX -------- This is the root package for Open edX. The intent is that all importable code from Open edX will eventually live here, including the code in the lms, cms, and common directories. If you're adding a new Django app, place it in core/djangoapps. If you're adding utilities that require Django, place them in core/djangolib. If you're adding code that defines no Django models or views of its own but is widely useful, put it in core/lib. Note: All new code should be created in this package, and the legacy code will be moved here gradually. For now the code is not structured like this, and hence legacy code will continue to live in a number of different packages.