Git 2.49+ Features (2025) git-backfill Command (New in 2.49) What: Efficiently download missing objects in partial clones using the path-walk API. Why: Dramatically improves delta compression when fetching objects from partial clones, resulting in smaller downloads and better performance. Basic Usage When to Use Scenario 1: After cloning with --filter=blob:none Scenario 2: Sparse-checkout + Partial clone Scenario 3: CI/CD Optimization Performance Comparison Traditional partial clone fetch: With git-backfill: Path-Walk API (New in 2.49) What: Internal API that groups together objects appearing…