Issues

• Spanish einvoicing mandate with their own AS4 profile

  Documentation
  phax/phase4#398 · Filter by author phax opened on Sep 10, 2026
  4

  

• OpenTelemetry / Observability (traces, metrics)

  enhancement
  phax/phase4#397 · Filter by author phax opened on Sep 4, 2026

• Collected thoughts on v5

  enhancementquestion
  phax/phase4#394 · Filter by author phax opened on Aug 24, 2026
  

• Add the possibility to customize "duplicate" handling

  enhancement
  phax/phase4#371 · Filter by author phax opened on Apr 29, 2026
  

• Free security audit & remediation - You are welcome

  enhancement
  phax/phase4#318 · Filter by author gbdevw opened on Apr 15, 2025
  4

  

• Add support for WSS UserNameToken

  enhancement
  phax/phase4#42 · Filter by author phax opened on Sep 15, 2020
  1