- Dropped Python 3.8, added Python 3.13 (requires-python = ">=3.9")
- License Format: Changed to PEP 639 bare SPDX format (license = "Apache-2.0")
- Build System: Updated setuptools requirement from >=64 to >=77 for PEP 639 support
- mecab-ko: Updated dependency to >=1.0.2,<2.0.0 (now supports Apple Silicon and Python 3.12+)
- new tokenizer:
spBLEU-1K