Brunel v21r1 - released 28th November 2003
The table below list new features introduced in Brunel version v21r1, relative to version v21r0
| Subsystem | Item | Responsible | Status |
| Framework | Removed support for v254r1 geometry | M.Cattaneo | Brunel v21r1 |
| oodigi | Added RawBuffer | M.Cattaneo | GaudiConf v7r3 |
| OT | Switch on default monitoring | M.Cattaneo | Done in BrunelMoniProd.opts |
| Rich | Rich Digits decoded from RawBuffer | C.Jones | RichDAQ v1r0 |
| Major speed improvement (factor 3) in Rich reconstruction | C.Jones, A.Papanestis | RiSicbGeom v3r6, RichUtils v3r5, RichDetTools v3r2, RichRecSys v1r3 | |
| Calo Digits decoded from RawBuffer | O.Callot | CaloEvent v12r1 | |
| Tracking | Code cleanups | J.v.Tilburg | TrCleanEx v2r7 |