February 2026 monthly summary for SBNSoftware/sbncode: Delivered a Dependency Compatibility Update to ensure the project remains aligned with latest ecosystem changes. Updated project version and dependencies to improve compatibility, stability, and security, reducing build and integration risks. This work focused on maintainability and smoother downstream integrations, setting the stage for future feature work. Commit 051277a84300656665d349a933436e5a6816a1ba documents the dependency updates.

January 2026 accomplishments centered on stability, compatibility, and release readiness across SBNSoftware repositories sbncode and sbnobj. Key improvements include dependency upgrades to enhance compatibility and stability in sbncode, a critical timestamp handling fix in sbnobj, and release readiness with a version bump to 10.03.02.02. These changes improve build reliability, cross-repo consistency, and prepare the codebase for downstream enhancements.

December 2025 monthly highlights focused on reliability, performance, and maintainability across SBNSoftware/sbncode and sbnobj, with build and dependency modernization to support faster feature delivery. Key features delivered: - SBNSoftware/sbncode: Wall Intersection Calculation Optimization and Cleanup — refactored the closest intersection computation for improved accuracy and performance; removed redundant null checks; eliminated unnecessary vector resizing. Commits: c660c6419041eac37668b7974a3e97b5ffbc35b4; 6cdd11d96901d594f07bfbdcc3a796a97c431f4e; e8fa24b7c66253892f4c6efb4230fbd587e13c6e. - SBNSoftware/sbncode: Project Version and Dependency Upgrades — bumped project version and updated dependencies to ensure compatibility and access to latest fixes. Commit: ef71ae71577d239d72ac24c9c2e795e226556615. - SBNSoftware/sbnobj: TrackInfo Version 18 with New Checksum and CMake Minor Version Bump — upgraded sbn::TrackInfo to version 18 and added a new checksum; updated project minor version in CMakeLists.txt. Commits: bea61dd96c858b35566e0fc0a7593b0102bc90cb; 249628aee32a8bc16231f680f43c94db0637d669. Major bugs fixed and impact: - Correctness and performance improvements in geometry calculations (reducing edge-case discrepancies in intersection logic) and memory efficiency (eliminating unnecessary vector resizing and redundant checks), leading to more reliable downstream analytics. - Build and dependency modernization across repos reduces risk of incompatibilities and positions the codebase for upcoming features. Technologies/skills demonstrated: - C++ optimization and refactoring, memory management, and geometric algorithms - Build systems and dependency management (CMake, version bumps) - Cross-repo coordination and release hygiene (consistent versioning and commit traceability) Business value: - Improved accuracy and speed of core geometry computations, enabling faster data processing pipelines. - Stronger release readiness through up-to-date dependencies and clear versioning, reducing maintenance overhead and future risk.

Month: 2025-11. This month delivered foundational dependency upgrades across three repositories (SBNSoftware/sbnobj, SBNSoftware/sbncode, SBNSoftware/sbndcode), reinforcing compatibility with the latest data and build tooling, while implementing robust safeguards in Geant4-based calculations. Key outcomes include updated project versions to 10.03.01 (sbnobj) and updated dependencies to enable latest fixes; CI-related upgrade in sbndcode to improve reliability; and robust checks in Geant4WeightCalc::GetWeight and sbn::GetWallCross to handle edge cases. These changes reduce runtime errors, accelerate CI feedback, and improve stability for the simulation and reconstruction pipelines. Skills demonstrated include cross-repo dependency management, CI reliability improvements, defensive programming in C++, and Geant4 physics handling. This work delivers business value by enabling faster feature delivery, more stable builds, and more reliable physics calculations across the stack.

October 2025 monthly summary for SBNSoftware/sbnobj: Delivered Release Version 10.03.00 and aligned dependencies to enable consistent packaging, downstream deployments, and cross-library version synchronization. Focused on release engineering, build-system updates, and dependency management to improve reproducibility and integration reliability.

September 2025 — SBNSoftware/sbnobj: Delivered targeted release engineering and dependency alignment to improve build reliability and downstream compatibility. Focused on updating the project version and ensuring dependencies reflect the new release to enable reproducible builds and smoother integration with downstream systems. No major user-facing bugs fixed this month; the changes reduce risk by aligning build configuration and dependency versions for the 10.02.01 release.

Release readiness for SBNSoftware/sbnobj in August 2025. Key feature delivered: Version bump to 10.01.02 and dependency upgrade of lardataobj to 10_02_00 to align with updated external library, preparing for deployment. Major bugs fixed: none this month. Overall impact: streamlined release workflow, improved compatibility with external components, reduced dependency drift. Skills demonstrated: dependency management, versioning strategies, release engineering, and change traceability via a single commit (352ed6c95cd1869de5ed0e813da3dc1ac1a07888).

July 2025 monthly summary for SBNSoftware/sbnobj: Delivered foundational object model enhancements and release readiness, enabling richer data handling and smoother deployment. Key features delivered include: 1) SBN Object Type Extension: Added new SBN_Object_Type_10 and updated object type definitions in classes_def.xml to support additional object type handling in sbnobj (commit 1c79efa69ea2ebb7cfd7b462b19c28caf6c9fe0e). 2) CRT PMT Matching Functionality: Introduced CRTPMTMatching.cxx and integrated it into the build system via CMakeLists to enable PMT matching within the CRT (Cosmic Ray Tagger) system (commit ac8790ed8f5dd4a32ca682753a665cfa0de2c772). 3) Version Bump and Release Readiness: Bumped patch version from 10.01.00 to 10.01.01 in CMakeLists.txt to prepare for a new release (commit ccde02ce4ac1d2cebb75f4af9d983cceba944856).

Month: 2025-05 – SBNSoftware/sbnobj focused on stabilizing and modernizing the build by upgrading the core library dependency (lardataobj) to a newer version and updating the associated project wiring (ups/product_deps and CMakeLists.txt). This work lays groundwork for future enhancements by ensuring compatibility with the latest core libraries and simplifying upgrade paths, with clear versioning and traceable changes.

April 2025 monthly summary for SBNSoftware/sbnobj focusing on stability, release readiness, and code hygiene. Key work includes a bug fix to standardize EventWeightParameterSet naming for reliable reweighting and a release-oriented update to versioning, dependencies, and checksums. These efforts improve correctness, build reproducibility, and alignment with sbnanaobj standards, delivering business value by reducing misidentification risk and streamlining deployment.

March 2025: Release readiness for SBNSoftware/sbnobj via Version Bump and Dependency Update in the 10.00.x series. Upgraded the lardataobj dependency to v10_00_04 and updated the CMake project version to reflect the release; subsequent commits extended public versioning to 10.00.07 and 10.00.08 for release tracking. No major bugs were documented this month; the focus was on release engineering, build stability, and downstream compatibility.

February 2025 performance summary for SBNSoftware/sbnobj focusing on release engineering and cross-repo metadata consistency. Key actions were version synchronization with sbncode and precise updates to CMakeLists.txt, enabling coherent release tagging and packaging across related projects.

January 2025: Documentation and maintainability enhancement in SBNSoftware/sbndcode. Delivered an inline documentation clarification in CRTAnalysis_module.cc to explain the reimplementation of time-walk and propagation-delay logic that relies on raw T0/T1 counter getters. The change focuses on improving code readability and onboarding, without altering runtime behavior. No new features or bug fixes shipped in this period for sbndcode; commits provide traceability for future refactoring. Commit reference for this work: 03480decdd96fa05c8c7e88c12b34751246b036d (Add explanatory comment).

Month: 2024-11 — SBNSoftware/sbndcode: CRTAnalysis Timing Enhancement implemented to improve StripHit timing accuracy by adding new timing variables to the analysis tree (Ts0, Ts1) and including time walk and propagation delay corrections. Updated configuration to expose the new parameters. Commit reference 264457d46e09f4a30f016769a520f24ee6fe3374 supports this work.