This document is 5 pages on the wiki because GitHub renders very large pages slowly. Headings and their anchors are unchanged; the contents below link to each one.

• What the export changed
• What the v2 export changed (2026-10-10)
• A. The import
• B. The student engine, brought level with the fourth import
• C. Server and contract
• D. The teacher builder's shared content, and the previews
• F. The R4 screens v2 redraws
• G. The AI assistant
• E. Close-out
• Release checklist
• Open items

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