Tag to be used with the main branch of atlas/athena. Update(s) since 2.1.62: - Add ITk endec package to Athena externals - CheckerGccPlugins: Don't warn about _ placeholders. - APTypes Installation Fix, main branch (2025.09.12.) - Update AnalysisBase to match LCG_108a updates - Patch Geant4 to build with newer glibc versions. - Add Find-module for EPOS4 - Update CrestApi tag: rel-6.2-20251028-00 - Findtdaq-common: remove 'future' dependency - remove the find module for Geneva - Update COOL and CORAL to 3.3.20 for non-tdaq-common dependent projects - Update tests to LCG_108a and update Gaudi, ACTS and GeoModel to the latest versions