v2.4.0

2.4.0 - 2026-05-13

• Characteristic-function complex support:
  • Added complex-coordinate support across the CF pipeline.
  • Preserved analytic continuation for complex natural fields, Von Mises Fisher, circular complex
    normal log-normalizers, and fixed parameters.
• CF inversion:
  • Built the EP flattener from parametrization metadata.
  • Split Hermitian and symmetric matrix support.
  • Switched continued matrix log-normalizers to analytic logdet.
• Tests:
  • Added Gamma CF coverage for the log statistic.
  • Made test_cf_at_zero run across all distributions.
  • Removed the CF complexify hook test path.
  • Dropped redundant JVP smoke coverage and unused skip logic.
• Cleanup:
  • Replaced dead code with tjax helpers.
  • Optimized pyproject.