Coordinated ecosystem-wide 8.0 major (packaging-driven).
- Minimum PHP raised to 8.3 (CI: 8.3 / 8.4 / 8.5).
- All inter-package
jbzoo/*deps →^8.0.
Changed (BC)
- Public constants
AbstractConverter::{TYPE,NAME}(overridden by ~16 converters) are now typed — external overriders must match the type.