Brunel v23r0 - released 22nd January 2004
The table below list new features introduced in Brunel version v23r0, relative to version v22r0
| Subsystem | Item | Responsible | Status |
| Framework | Use Gaudi version v14r0 (SEAL+POOL integration) | M.Cattaneo | Done - uses LHCB v15r0 |
| Writes histograms with RootHistCnv, not HbookCnv | M.Cattaneo | ||
| DST | Added HepMCEvents if available on input file | M.Cattaneo | In DstContent.opts now moved to Brunel package |
| Removed L0/Calo, L0/FullCalo, can be rebuilt from RawBuffer | M.Cattaneo | Must read from Boole v5r0 | |
| New seed attribute to CaloCluster, backwards incompatible | I.Belyaev | In CaloEvent v13r0, CaloReco v1r8. Discussed at Calo software mtg, 2003-11-26 | |
| Added new Link objects for MCTruth of tracking digits | O.Callot | LinkerEvent v1r0. Read from Boole v5r0 | |
| Added MCTrackInfo for "in Acceptance" and "Reconstructible" flags (Trg definition) | O.Callot | Event v4r0. Read from Boole v5r0 | |
| Calo | Retuned "trigger" calibration constants ("active to total" ratio for Ecal/Hcal) for Gauss data | I.Belyaev | In XmlDDDB v20r1 |