EmuStepProcessing test - newJO version

See merge request atlas/athena!21912

MET Trigger: AthenaMT algorithms for clusters and jets

See merge request atlas/athena!21852

use CachedValue::store() for the covariance/position setters (ATLASRECTS-4891)

See merge request atlas/athena!22106

Manual sweep of !22078 from 21.0 into master: Add MC16 Simulation ART jobs

See merge request atlas/athena!22084

MuonEventTPCnv: Generate pair_base dictionaries.

See merge request atlas/athena!22141

EventCommonTPCnv: Generate pair_base dictionaries.

See merge request atlas/athena!22140

InDetByteStreamErrors: Generate pair_base dictionaries.

See merge request atlas/athena!22139

LArTPCnv: Generate pair_base dictionaries.

See merge request atlas/athena!22138

MuonSimData: Generate pair_base dictionaries.

See merge request atlas/athena!22136

CaloEvent: Generate pair_base dictionaries.

See merge request atlas/athena!22135

Add SCT_DigitizationMT_test

See merge request atlas/athena!22110

TrigUpgradeTest: Cleanup CMakeLists.txt dependencies

See merge request atlas/athena!22047

Full scan muon trigger updates

See merge request atlas/athena!21872

StoreGate: Update CondHandleKey::initialize() to match VarHandleKey().

See merge request atlas/athena!21998

Adjust selection file to generate dictionaries for std:__pair_base classes
needed for persistency.

Adjust selection file to generate dictionaries for std:__pair_base classes
needed for persistency.

Adjust selection file to generate dictionaries for std:__pair_base classes
needed for persistency.

Adjust selection file to generate dictionaries for std:__pair_base classes
needed for persistency.

Adjust selection file to generate dictionaries for std:__pair_base classes
needed for persistency.

Adjust selection file to generate dictionaries for std:__pair_base classes
needed for persistency.

Add l1 thresholds to chains config

See merge request atlas/athena!22079

Random ROB requests in MTCalibPeb

See merge request atlas/athena!22094

Remove AdjustableT0Tool (Fix for ATLASRECTS-4825)

Closes ATLASRECTS-4825

See merge request atlas/athena!22093

AtlasPyFwdBwdPorts: fix build warnings (ATLINFR-2605)

See merge request atlas/athena!22104

PrivateTools style for ComponentAccumulators in InDetDigitization

See merge request atlas/athena!22086

Replace Svc's with Private Tools. Move caches to CondAlg. 3rd attempt.

See merge request atlas/athena!21815

AthConfigFlags.py: Add method to set flags from command line

See merge request atlas/athena!22025

Patch two MANIFEST files to not exclude files that have never been
included in the first place. This avoids warnings like
```
warning: no previously-included files matching '*.pyc' found anywhere in distribution
```

Create pile-up events hash and store it in xAOD::EventInfo, master edition (ATLASSIM-3795)

See merge request atlas/athena!21398

SECOND TRY: Add support for complex jet chains. Temporarily limit menu items for simple chains.

See merge request atlas/athena!21759