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Releases

Development status, current features, and release roadmap for OCUDU. New versions ship every April and October.

Release Notes

Per-release changelog covering new features, protocol updates, and fixes for all OCUDU versions.

Development Status​

Apr 2026
First Release
v26.04 · initial public release
Active
OCUDU gNB
CU-CP · CU-UP · DU
Active
OCUDU gNB
O1 agent · E2 agent

Current Features​

Radio & Physical Layer

  • FDD/TDD, all FR1 and FR2 bands
  • All bandwidths up to 100 MHz (FR1) and 400 MHz (FR2)
  • 15, 30, and 120 kHz subcarrier spacing
  • All physical channels
  • QAM-256, 4x4 MIMO DL and UL
  • Optimised LDPC/Polar codecs for ARM Neon and x86 AVX2/AVX512
  • SSB-based and CSI-RS-based radio link monitoring
  • NTN GEO support

Protocol Stack

  • All RRC and MAC procedures
  • All handover and mobility types over NG and Xn (including Conditional HO)
  • Robust Header Compression (RoHC)
  • RRC_INACTIVE support
  • NRPPa using RSRP and SRS
  • RAN slicing

Architecture & Deployment

  • CU/DU and CU-CP/CU-UP separation
  • Split 7.2 via Open Fronthaul library
  • M-plane support via OCUDU helper components
  • Hardware accelerator support via DPDK BBDEV

Roadmap​

Planned features by release, through the end of the programme in October 2028.