v38.1.0

38.1.0

🚀 Features

• Compatibility for EDM4hep < 0.99 & >= 0.99 (#3921) by @paulgessinger
• Adding G4 stepping (#3812) by @asalzburger
• Introduction obj simhit writer (#3180) by @asalzburger
• Add a multi-region constant B-field provider (#3927) by @stephenswat
• Safe inverse for dynamic matrices (#3945) by @AJPfleger
• Move spline to helper in Visualization (#3950) by @asalzburger
• TGeo python binding (#3885) by @asalzburger

🐛 Bug Fixes

• Remove final on template derived classes (#3923) by @paulgessinger
• Explicitly disable paging in pre-commit hook (#3928) by @stephenswat
• Add hit count in root dump reader (#3929) by @benjaminhuth
• Remove BoundCylinderToZPhi final, add exception (#3926) by @paulgessinger
• Test and fix broken TrackHelpers for chi2 and unbiased track state (#3937) by @andiwand
• Consistent std::int32_t in AdaptiveGridTrackDensity (#3933) by @AJPfleger
• OneAPI 2025 Fixes, main branch (2024.12.04.) (#3938) by @krasznaa
• Remove narrowing conversion from std::size_t to int (#3932) by @AJPfleger

🚜 Refactor

• Modernise map utils (#3615) by @AJPfleger
• Replace long unsigned int with std::size_t (#3930) by @AJPfleger
• Brace-enclosed initializers for pair/tuple returns (#3931) by @AJPfleger
• Create particle/simhit to measurement maps in DigitizationAlgorithm in Examples (#3944) by @andiwand
• Move MLAmbiguitySolver to Core (#3272) by @Corentin-Allaire
• (gx2f) Put parts into separate compile units (#3946) by @AJPfleger

📚 Documentation

• Update zenodo record (#3940) by @CarloVarni
• Change to 6x6 track parameter covariance to include time (#3941) by @andiwand

⚙️ Miscellaneous Tasks

• Add LCG 106a job (#3918) by @paulgessinger
• Clean up a few includes and imports (#3925) by @jmcarcell