Version	v12r11
Release Date	20 May 2005
Description	HLT Release and updated DC04v2 stripping version - bug fix release   Based on Gaudi v15r5 and LHCb v16r4. Includes LoKi v3r12p1.
Main modifications	This version replaces the buggy v12r10 Main Modifications: The full HLT chain is there The HLT decision is filled in the TrgDecision class. Have a look at the new HltScore class for details. That does not mean that everything is optimised. New version of the tampering with L0. New packages LoKiJets and KtJet for jet finding.
CLHEP issues	See v13r0 page.
Known problems:	Troubles with RFIO: See v12r7 page.
	If your execution hangs after the DaVinci welcome-banner on slc3, it means you have made a typo in the name of some option file you are including, or you are using an undefined environment variable. There's no straightforward way to debug this.
Documentation	Doxygen
	Release notes (for detailed release notes of each packages look in the release area)
	Requirements
Installation	follow the LHCb installation procedure
	tar files of the sources
	web access to CVS repository
	web access to AFS release area
DaVinci packages modified with respect to previous release	DaVinciSys v12r11   Calo/ No changes Hlt/ No changes L0/ No changes Muon/ No changes Phys/ DaVinci v12r11 DaVinciAssociators v5r4p1 Bug fix. Neutrals use linkers. DaVinciMCTools v5r11 New CheatedLifetimeFitter.h ParticleMaker v1r5 Bug fix. Tampering v1r1 Add L0 tampering VertexFit v1r6 More modifications for neutrals PhysSel/ PhysSelSys v8r3 B2RhoRho v1r9 Bd2PhiKs v4r3 Bs2JpsiEta v4r0 Bs2PhiEtac v3r1 Rec/ No changes Rich/ No changes Tools/ LoKi v3r12p1 Stripping v2r2 Tr/ No changes Trg/ No changes
LHCb  packages used	LHCb v16r4 (refer to the requirements files for full package list and corresponding release notes for details)
Gaudi packages used	based on Gaudi v15r5