Bump version to 2.3.3 and fix test workflow

- Update version to 2.3.3
- Fix ROOT integration test to match actual larcv usage pattern
- Update CHANGELOG for 2.3.3 release

Author: francois-drielsma

.github/workflows/build-test.yml

@@ -45,11 +45,11 @@ jobs:
           print('Version:', larcv.__version__)
           "
 
-      - name: Run ROOT tests
+      - name: Verify ROOT integration
         run: |
           docker run --rm larcv2:test python -c "
+          import larcv
           import ROOT
-          from ROOT import larcv
-          print('ROOT and LArCV loaded successfully!')
           print('ROOT version:', ROOT.gROOT.GetVersion())
+          print('LArCV and ROOT integration verified!')
           "

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.3.3] - 2026-04-02
+
 ### Added
 - Docker containerization with automatic builds via GitHub Actions
 - Container images published to ghcr.io/deeplearnphysics/larcv2
@@ -15,14 +17,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Comprehensive Docker documentation in README
 
 ### Changed
-- Modernized Dockerfile with ROOT 6.30.06 and Ubuntu 22.04
+- Modernized Dockerfile with ROOT 6.34.00 and Ubuntu 24.04 LTS
 - Updated build system to support containerized builds
+- Migrated from Travis CI to GitHub Actions for CI/CD
+- Updated badges in README with modern alternatives
 
-## [2.3.0] - 2026-04-02
+### Removed
+- Deprecated Travis CI integration
+- Old Singularity Hub references
 
-### Added
-- Initial version tracking
-- Container infrastructure setup
+## [2.3.2] - Previous release
 
-[Unreleased]: https://github.com/DeepLearnPhysics/larcv2/compare/v2.3.0...HEAD
-[2.3.0]: https://github.com/DeepLearnPhysics/larcv2/releases/tag/v2.3.0
+[Unreleased]: https://github.com/DeepLearnPhysics/larcv2/compare/v2.3.3...HEAD
+[2.3.3]: https://github.com/DeepLearnPhysics/larcv2/releases/tag/v2.3.3
+[2.3.2]: https://github.com/DeepLearnPhysics/larcv2/releases/tag/v2.3.2

python/larcv/version.py

@@ -1,4 +1,4 @@
 """This file contains the version number for larcv.
 It is used by setup.py and by the package itself."""
 
-__version__ = "2.3.2"
+__version__ = "2.3.3"