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v1.16

  • Release date: August 24, 2026
  • GitHub release: v1.16.0

New features

  • eBPF TCX user plane: Attach Ella Core's user plane program to the TCX hook. TCX allows Ella Core to work on every modern Linux system, regardless of driver support. It replaces XDP Generic as a fast and reliable fallback option on systems without XDP Native support. XDP Native remains the preferred option when possible. XDP Generic should only be used for test and dev deployments.
  • 4G <-> 5G Interworking: Subscribers can smoothly transition from 4G to 5G and vice-versa via N26 (and non-n26) handover, maintaining their IP session.
  • Local switching: Allow direct UE-to-UE (hairpin) communication. This feature is disabled by default and can be enabled via the UI in the Networking page or the API.
  • IP Fragments: Support IPv4 and IPv6 fragments in subscriber data path.
  • NITZ: Send network time to UEs.

Maintenance

  • Use in-house S1AP, NGAP, NAS, and PER libraries.
  • Add Baicells Neutrino 220 to supported 4G radios
  • Add Playwright UI end-to-end tests
  • Extend handover integration testing
  • Performance improvements
  • Security fixes
  • Bug fixes
  • Dependency updates