v8.4.3 - `ultralytics 8.4.3` Faster Platform NDJSON downloads (#23257)
π Summary (single-line synopsis)
Ultralytics v8.4.3 boosts Ultralytics Platform NDJSON dataset downloads/conversion speed π, improves training metric correctness π§ , and refreshes defaults/docs around YOLO26 π.
π Key Changes
- π Faster NDJSON β YOLO dataset conversion (Ultralytics Platform data) β PR #23257 by @glenn-jocher
- Lazy-loads
aiohttponly when NDJSON conversion is used (faster startup, fewer unnecessary deps) π¦ - Simplifies async image download code and improves concurrency scaling to match dataset size β‘
- Small robustness improvement for Platform URL handling π
- Version bump:
8.4.2 β 8.4.3π
- Lazy-loads
- π Configurable Platform base URL β PR #23256 by @glenn-jocher
- Adds
ULTRALYTICS_PLATFORM_URLto point callbacks/links to staging or local environments π§ͺ
- Adds
- π·οΈ Defaults and examples move to YOLO26 β PR #23242 by @Laughing-q