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This migration is being accomplished due to the deprecation of the building block at the Blackboard platform level. Additionally, only videos embedded with the Kaltura LTI 1.3 integration are compatible with Ultra view courses, so this change is being made in preemptive support of the Universities migration to the new course view.
The most visible change for instructors is that it will no longer be possible to embed videos directly inside of courses any longer. Videos will remain in courses, and no data loss is expected, however your videos will turn into links with Kaltura icons instead of displaying the embedded video player, as shown in the screenshot below.
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