Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.94:
  - Made it possible to use FindGaudi.cmake with a hand-built version of Gaudi;
  - Made it possible to globally change the default timeout of atlas_add_test(...) tests.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.93:
  - Fixes for GCC 11 in CheckerGccPlugins;
  - Updated the version of histgrinder to 0.1.3;
  - Updated the yampl package to build the external out of a tarball, and not GitHub;
  - Fixed the cpack_install.sh.in script to correctly remove .dbg files from -opt packages.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.92:
  - Made the CPack setup in AtlasCMake work with any build system generator, not just with GNU Make;
  - Cleaned the CLHEP configuration, so that it would use the same build system generator that the main ATLAS project is using;
  - Switched back to deep-copying imported targets in the exported CMake configurations of the ATLAS projects.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.91:
  - Modernised the CMake configuration files exported/installed by atlas_project(...);
  - Added Findnumpy.cmake and Findmatplotlib.cmake to AtlasLCG;
  - Fixed the (standalone) build of XRootD on macOS;
  - Added CLHEP and yampl to AthAnalysisExternals.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.90:
  - Introduced Findpprof.cmake to AtlasLCG;
  - Made FindTBB.cmake set up its imported targets correctly, and updated FindGaudi.cmake to use AtlasLCG's FindTBB.cmake directly.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.89:
  - The AtlasLCG modules now set up imported targets for the libraries and executables that they found;
  - Re-designed how ROOT and its dependencies would be built;
    * Enabling incremental builds for ROOT once more.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.88:
  - Updated the HDF5 build configuration not to patch the pkgconfig files on macOS;
  - Fixed the include directory setup made by atlas_add_library(...).

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.87:
  - Updated AnalysisBaseExternals to build successfully on macOS Big Sur;
    * Updated to building Python 3.8.6, and updated all clients of Python to expect this version;
    * Added patches on top of ROOT 6.22/02 to make it build successfully on the new OS;
  - Tweaked the build of HDF5 to avoid getting error messages during the CMake configuration of AnalysisBase on CentOS 7;
  - Deprecated atlas_depends_on_subdirs(...).

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.86:
  - Taught AtlasLCG to set the Boost_USE_DEBUG_RUNTIME variable according to the LCG platform being used.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.85:
  - Made multiple updates to allow AArch64 builds of the projects;
  - Added External/Gaudi for building Gaudi, and updated all the CMake code to make this possible.
    * For further details see: https://gitlab.cern.ch/atlas/atlasexternals/-/merge_requests/699

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.84:
  - Added a "cudapath" field to ReleaseData;
  - Upgraded to Acts version 1.2.1.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.83:
  - Added a Findzipp.cmake module to AtlasLCG, and made use of it in External/PyModules.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.82:
  - Added Findimportlib_metadata.cmake and FindSQLite3.cmake to AtlasLCG;
  - Updated flake8 to version 3.8.4;
  - Updated the CheckerGccPlugins code to take certain function attributes correctly into account;
  - Added stomp.py as a new external to Externals/PyModules;
  - Updated the default path that LCG nightlies would be searched under;
  - Added various updates for ARM 64 build compatibility.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.81:
  - Added histgrinder 0.1.2 as a new external in PyModules;
  - Added Findstomppy.cmake to AtlasLCG.

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.80:
  - CheckerGccPlugins updates for thread safety checks in IStateful::initialize and CORAL;
  - Added Findpygraphviz.cmake;
  - Fixed the RPM dependency setup in FindCairo.cmake;
  - Updated to onnxruntime 1.5.1;
  - Updated to Acts 1.2.0;
  - Multiple tweaks to AtlasCMake and AtlasLCG to make certain non-standard build setups possible;

Tag to be used with the 21.X branches of atlas/athena.
Update(s) in this tag wrt. 1.0.27.2:
  - AtlasLCG no longer sets up RPM dependencies for packages that are not provided by the LCG release, but are picked up from the OS instead.

Tag to be used with the 21.X branches of atlas/athena.
Update(s) in this tag wrt. 1.0.48.5:
  - Stopped FindDoxygen.cmake from setting up Pango and Cairo automatically for the runtime environment;
  - Fixed the RPM dependency setup of FindCairo.cmake.

Tag to be used with the 21.X branches of atlas/athena.
Update(s) in this tag wrt. 1.0.27.1:
  - Updated atlas_setup_cpack() to create a functional setup for building RPMs with the latest OS updates.

Tag to be used with the 21.X branches of atlas/athena.
Update(s) in this tag wrt. 1.0.27:
  - Updated the Simage build to succeed on CentOS 7;
  - Updated the UUID external handling of AtlasLCG, AthenaExternals, AthDerivationExternals and yampl, to be compatible with CentOS 7;
    * Including the update of yampl from version "4a91d89" to "46f7a48".

Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.79:
  - Updated the generated ReleaseData file to include information about the CUDA compiler that was used;
  - Updated Acts to version v1.1.0;
  - Added a forcedownload step to yampl, to make updating it a bit more robust in the future;
  - Updated mergeConfdb2.py to be able to handle files using a new data handle configuration mechanism.