Introduce a "detector" layer for the detector description flags to make
sure we don't have name collisions across systems. Adjust client code
accordingly.

Also remove the default values as those are already being set within the
detector specific GeoDB modules.

TrigHLTJetHypo: Fix clang warnings.

See merge request !38991

TrigAnalysisTest: Switch 21.0-mc16a/d tests to use CC7 builds

See merge request !38766

Partial Event Building: Update configuration and add unit tests

See merge request !38999

PerformanceMonitoring: First batch of cmake, flake8, clean-up updates

See merge request atlas/athena!38852

Fix a comment of SCT_SiliconConditionsTestAlgConfig.py (ATLASRECTS-5799)

See merge request atlas/athena!38961

22.0-unit_test-TrkTrackSummaryTool

See merge request !38968

MuonRecExample: add TrackingVolumesSvc to ConfigDb

See merge request atlas/athena!38969

Adjust MessageSvc format for HLT jobs

See merge request atlas/athena!38975

TrkExRungeKuttaIntersector: Remove INFO newline

See merge request atlas/athena!38977

Adapt MTCalibPebConfig to changes in DecisionSummaryMakerAlg properties

Closes ATR-22494

See merge request atlas/athena!38984

Fix memory leak in InDet::SiLayerBuilder::createDiscLayers. (ATLASRECTS-5832)

See merge request !38973

Hepmc3 nightly fixes 04122020 part 7

See merge request atlas/athena!38880

Updated tests q431 for Tier0ChainTests

See merge request atlas/athena!38914

Fix missing EDMVersion flag rename in TrigMETMonitorAlgorithm.py

Closes ATR-22499

See merge request atlas/athena!39008

Missing override keyword.
Don't use std::move with a non-lvalue.

CaloInterface, etc: Update tower builder tool interfaces.

See merge request atlas/athena!38956

Improve vertex finding / clustering in beamspot calibration.

Closes ATONLBS-30

See merge request atlas/athena!38957

Adding back the option doTrackSegmentsTRT to the FastChain test

See merge request atlas/athena!38932

Partial fulfilment of ATR-20700

See merge request atlas/athena!38903

Migrate TruthRivetTools to HepMC3

See merge request atlas/athena!38898

ATLASRECTS-5829: IApproachDescriptor use unique_ptrs for the remaining ptr data...

See merge request atlas/athena!38950

MuonIdentification: cmake and flake8 fixes

See merge request atlas/athena!38821

TrigSteeringEvent: Fix compilation with clang.

See merge request atlas/athena!38952

AthAllocators: Fix gcc11 warning.

See merge request atlas/athena!38946

TrkVertexFitterUtils+MuonCablingServers+TileTrackingGeometry: Fix clang warnings.

See merge request atlas/athena!38951

xAODRootAccess: Missing includes.

See merge request atlas/athena!38948

TrigOnlineMonitor: Add histograms to monitor number of forks, threads and slots

See merge request atlas/athena!38938

Add xAODDigest output to tests

See merge request atlas/athena!38936

BCM_RawDataByteStreamCnv: Fix placement of using declarations.

See merge request atlas/athena!38944

Met mon update dec2020

See merge request atlas/athena!38875

Add unit tests for the ByteStreamMetadataTool

See merge request atlas/athena!38959

Fix the tau FTF collections in the nightly tests, add a new tau test

See merge request atlas/athena!38891

Fix tau analyses for the tier 0 and physval monitoring

See merge request atlas/athena!38892

CaloTriggerTool: cmake fix

See merge request atlas/athena!38943