{"action":"created","comment":{"url":"https://api.github.com/repos/edx/edx-documentation/pulls/comments/25198614","id":25198614,"diff_hunk":"@@ -0,0 +1,124 @@\n+####################################\n+Open edX Birch Release\n+####################################\n+\n+The Birch release of Open edX Platform includes many new features, from new\n+capabilities to APIs.\n+\n+This page lists the highlights of the Birch release.\n+\n+Also see the `edX Release Notes`_, which contain a list of weekly changes.\n+Changes listed on January 28, 2015 and before are included in the Birch release\n+of Open edX.\n+\n+************************\n+Split Mongo Modulestore\n+************************\n+\n+The edX Platform now supports the **split mongo** modulestore for course data\n+storage. Split mongo refers to the separation of identity, structure, and\n+content, and it enables you to use more advanced capabilities in developing and\n+managing courses. For more information, see the `edX Developer's Guide`_.\n+\n+************************************\n+Cohorts for Discussions and Content\n+************************************\n+\n+You can now define smaller communities of students within the larger, course-\n+wide community. Learners in a cohort can have private discussions. In addition,\n+you can create different course experiences, including presenting different\n+content, for students in different cohorts.\n+\n+For more information, see `Including Student Cohorts`_ in the `Building and\n+Running an Open edX Course`_ guide.\n+\n+*****************************************\n+Content Libraries and Randomized Content \n+*****************************************\n+\n+You can now create a content library that contains a pool of components that\n+can be used in randomized assignments.\n+\n+For more information, see `Working with Content Libraries`_ in the `Building and Running an Open edX Course`_ guide.\n+\n+********************\n+Prerequisite Courses\n+********************\n+\n+You can now require that students pass a specific  course before they enroll in\n+your course.\n+\n+For more information, see `Specify Prerequisite Courses`_ in the *Building and\n+Running an Open edX Course* guide.","path":"en_us/open_edx_release_notes 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