Boole v5r0 - released 22nd January 2004
The table below lists change introduced in Boole version v5r0, relative to version v4r0
| Subsystem | Item | Responsible | Status |
| Framework | Use Gaudi version v14 (SEAL+POOL integration) | M.Cattaneo | Done - uses LHCB v15r0 |
| oodigi | Added HepMCEvents, if available on input file | M.Cattaneo | In DigiContent.opts, now moved to Boole package |
| Added new Link objects for MCTruth of tracking digits | O.Callot | LinkerEvent v1r0 | |
| Added MCTrackInfo for "in Acceptance" and "Reconstructible" flags (Trg definition) | O.Callot | Event v4r0, MCTools v1r2 | |
| L0 | L0Muon Brunel.opts renamed Boole.opts, and phase name changed to conform to Boole convention | M.Cattaneo | In L0Muon v6r7 |
| L1 | New track model | J.Hernando | See talks of 12/11/03, 19/11/03. In TrgEvent v2r0, TrgTools v2r0 |
| New Velo 2D+3D tracking | O.Callot | In TrgVelo v2r0 | |
| New VeloTT tracking | O.Callot | In TrgVeloTT v1r0 | |
| New PV search | M.Witek | In L1Reco v2r0 | |
| New monitoring | O.Callot | In TrgChecker v2r0 | |
| Velo | Added algorithm to fill L1Buffer | N.Tuning | In TrgTools v2r0 |
| Added algorithm to fill RawBuffer | O.Callot | In TrgTools v2r0 | |
| ST | Added algorithm to fill L1Buffer | O.Callot | Temporary version for TT only. In TrgTools v2r0 |
| Calo | Retuned "trigger" calibration constants ("active to total" ratio for Ecal/Hcal) for Gauss data | I.Belyaev | In XmlDDDB v20r1 |
| Added algorithm to fill L1Buffer (L0CaloCandidates) | O.Callot | In L0Calo v7r2 |