Package Coordinators: Marco Clemencic, Charles Leggett, Stefan Roiser

Release Notes

This release contains multiple fixes and some ABI changes, in particular:

• StatusCode values not checked now produce a compile time warning.
• some interfaces have been changed to accept std::string_view instead of const std::string&

By default, Gaudi now uses LCG 97 (ROOT 6.20/02).

Changed

• Removed FindXercesC.cmake now that new versions of Xerces are integrated with CMake (gaudi/Gaudi!1048)
• Add [[nodiscard]] attribute to StatusCode (gaudi/Gaudi!763)
• Use local memory pool in EvtStoreSvc (gaudi/Gaudi!1026)
• Deprecate use of AnyDataHandle (gaudi/Gaudi!1029)
• Cleanup some string handling & remove long deprecated functions (gaudi/Gaudi!1016)
• confDB2: Use ‘PublicToolHandle’, ‘PrivateToolHandle’ and ‘ServiceHandle’ instead of GaudiHandleBase as cpp_type (gaudi/Gaudi!1034)

Added

• Add options to EvtStoreSvc to restrict registering addresses (gaudi/Gaudi#84, gaudi/Gaudi!1032)

Fixed

• Make formatting check more stable and fast (gaudi/Gaudi!1050)
• Fix propagation of GaudiSequencer RootInTES (gaudi/Gaudi#94, gaudi/Gaudi!990)
• Fix handling of const vector in DataObjectHandle for MergingTransformer (gaudi/Gaudi!1045)
• Minor fixes to build on MacOS (gaudi/Gaudi!1044)
• Avoid explicit call to EnableAutoLoading for ROOT > 6.18 (gaudi/Gaudi!1036)
• Use PyROOT nullptr instead of None (gaudi/Gaudi!1035)
• Support DataObjectHandle<Gaudi::NamedRange_<T>> (gaudi/Gaudi!1043)
• AlgExecStateSvc: Remove a fatal message and minor cleanups (gaudi/Gaudi!1037)
• Improve memory management in ParticlePropertySvc (gaudi/Gaudi!1040)
• JobOptionSvc: Fix DUMPFILE option (gaudi/Gaudi!1041)
• Resolve “GaudiConfigDB2: Fragile handling of templated components” (gaudi/Gaudi#115, gaudi/Gaudi!1042)
• Prefer std::scoped_lock over lock_guard (gaudi/Gaudi!1030, gaudi/Gaudi!1038)
• Reduce dynamic allocation in GaudiKernel/Time.h (gaudi/Gaudi!1033)
• Allow legacy algorithms to work with LHCb condition handles (gaudi/Gaudi!1031)
• Fix Cling warnings when using GaudiPython::Helper struct (gaudi/Gaudi!1028)
• Define a module __spec__ for Configurables (gaudi/Gaudi!1027)
• clang requires -ffp-contract=fast with -mfma to actually enable FMA instructions (gaudi/Gaudi!1022)
• genconf: Fixing the handling of NAN (gaudi/Gaudi!1025)