v1.2.1

Metadata release: expanded PyPI keywords, classifiers, and sidebar URLs.

v1.2.0

GS1 2027 FLG(0) compliance, IATA BCBP boarding pass builder, Java-free decode via zxingcpp, ECI roundtrip tests.

v1.1.0

Batch encoding API, preset profiles, CLI bulk/benchmark mode, GS1 helpers, AztecRune improvements.