26.04

Dependencies

• AMReX: 26.04
• pyAMReX: 26.04
• PICSAR-QED: 25.06
• pybind11: 3.0.2
• picmistandard: 0.34.0
• openPMD-api: 0.17.0
• Python: 3.11 - 3.14

What's Changed

• Separate current and mass matrix depositions by @JustinRayAngus in #6589
• check fusion energy on init. by @JustinRayAngus in #6624
• Dependencies: weekly update by @github-actions[bot] in #6631
• Serialization.H : refactor and bugfixing by @lucafedeli88 in #6665
• Docs: consistent simplified DOI in refs.bib by @eebasso in #6636
• Dependencies: weekly update by @github-actions[bot] in #6669
• Docs: delete redundant arXiv links by @eebasso in #6672
• Docs: use 'doi' field for doi.org, delete redundant urls by @eebasso in #6671
• Implement collisions in the middle of the momentum push for electromagnetic PIC by @oshapoval in #6581
• Improve docu and fix LabFrameFieldDiagnostic bug by @pots007 in #6673
• Move ReadMovingWindowParameters from WarpXUtil to read_moving_window_parameters in WarpXInit by @lucafedeli88 in #6676
• Updates to AGENTS.md by @RemiLehe in #6679
• Fix uninitialized sa_flags in signal handler registration by @Noerr in #6681
• Follow-up PR: Add 2D EM CI test with split collisions and Vay pusher by @oshapoval in #6675
• Remove unused InjectorMomentumRadialExpansion by @RemiLehe in #6677
• Dependencies: weekly update by @github-actions[bot] in #6683
• Remove predefined DensityInjector; replace with parser expressions by @RemiLehe in #6678
• Fix typo for rcylinder with plot files by @dpgrote in #6691
• Langmuir tests: refactor and expand charge conservation analysis by @EZoni in #6638
• Dependencies: weekly update by @github-actions[bot] in #6698
• Improve the error message for num_particles_per_cell_each_dim by @dpgrote in #6690
• Fix PETSc Preconditioning for Cases with no Implicit EM Term by @debog in #6701
• WarpX.H : use forward declaration for ImplicitSolver by @lucafedeli88 in #6687
• Fix potential out of bounds in accelerator lattice element finder by @dpgrote in #6693
• Docs: fix outdated info about clang-tidy version by @lucafedeli88 in #6680
• Claim Context7 Project by @ax3l in #6704
• fix volume element in binary collisions for non-planar geometries. by @JustinRayAngus in #6711
• Clean up ParticleUtils::getRandomVector by @EZoni in #6707
• AGENTS File: Conda Aliases by @ax3l in #6712
• Plotfile BTD: Support Labframe Filters by @ax3l in #6709
• Python 3.11+ by @ax3l in #6635
• Document LLM-Agents Usage by @ax3l in #6689
• fix bug for using MM PC without MM for Jacobian. by @JustinRayAngus in #6713
• Add skill to answer user question by @RemiLehe in #6710
• Update HPC3-UCI docs to use Python 3.14.3 by @floresv299 in #6719
• petsc matrix pc for axisymmetric geometries by @JustinRayAngus in #6697
• Update checksum documentation by @RemiLehe in #6706
• Use new ruff-check pre-commit ID by @EZoni in #6723
• Dependencies: weekly update by @github-actions[bot] in #6722
• Make DSMC code more readable by @RemiLehe in #6628
• Evolve: use finest_level instead of max_level to gate RedistributeLocal by @RemiLehe in #6727
• Generate 2 products instead of 4 in Linear Compton collisions by @aeriforme in #6321
• Particles: fix always-true bounds check in DepositCharge by @RemiLehe in #6730
• ablastr: replace protected n_grow member with public nGrowVect() by @RemiLehe in #6728
• Implementing JacobiPC by @debog in #6694
• Implement particle-absorbing boundary by @atmyers in #6503
• Collisions: replace ndt with ndt_supercycle and ndt_subcycle by @RemiLehe in #6742
• Release: WarpX 26.04 by @github-actions[bot] in #6739

New Contributors

• @pots007 made their first contribution in #6673
• @floresv299 made their first contribution in #6719

Full Changelog: 26.03...26.04