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Bug: profile = constant gives wrong density in RCYLINDER / RZ when xmin > 0

bugSomething isn't workingSomething isn't working

Status: Open.

#6798 In BLAST-WarpX/warpx;

· tomzhu0225 opened on Apr 22, 2026

openPMD BTD Performance: FlattenSteps

component: openPMDopenPMD I/OopenPMD I/O

Status: Open.

#6778 In BLAST-WarpX/warpx;

· ax3l opened on Apr 14, 2026

Discussion: Reduced Speed of Light (RSOL) (Follow-up to PR #6725)

enhancementNew feature or requestNew feature or request

Status: Open.

#6769 In BLAST-WarpX/warpx;

· tomzhu0225 opened on Apr 12, 2026

Establish Unit Tests via PyTest

component: PythonPython layerPython layer

component: testsTests and CITests and CI

help wantedExtra attention is neededExtra attention is needed

Status: Open.

#6763 In BLAST-WarpX/warpx;

· ax3l opened on Apr 10, 2026

FillBoundary Semantics Inconsistent

cleaningClean code, improve readabilityClean code, improve readability

component: ABLASTRcomponents shared with other PIC codescomponents shared with other PIC codes

component: parallelizationGuard cell exchanges and particle redistributionGuard cell exchanges and particle redistribution

Status: Open.

#6761 In BLAST-WarpX/warpx;

· ax3l opened on Apr 10, 2026

GetMaxGuardCell() returns 1 instead of 2 for Yee-Like Solvers

bugSomething isn't workingSomething isn't working

bug: affects latest releaseBug also exists in latest release versionBug also exists in latest release version

component: FDTDFDTD solversFDTD solvers

component: parallelizationGuard cell exchanges and particle redistributionGuard cell exchanges and particle redistribution

Status: Open.

#6760 In BLAST-WarpX/warpx;

· ax3l opened on Apr 10, 2026

Bug: B_ext_particle_init_style (or E_ext_particle_init_style) becomes "none" with multiple LoadAppliedField

bugSomething isn't workingSomething isn't working

bug: affects latest releaseBug also exists in latest release versionBug also exists in latest release version

component: initializationChanges related to the initialization of the simulationChanges related to the initialization of the simulation

component: PythonPython layerPython layer

Status: Open.

#6753 In BLAST-WarpX/warpx;

· ax3l opened on Apr 7, 2026

Allow bremsstrahlung without a photon species when photons are not created

enhancementNew feature or requestNew feature or request

Status: Open.

#6752 In BLAST-WarpX/warpx;

· roelof-groenewald opened on Apr 7, 2026

split_momentum_push silently enabled by default for EB runs after #6617, breaking energy conservation with SIPIC solver

Status: Open.

#6747 In BLAST-WarpX/warpx;

· anecas1979-cyber opened on Apr 6, 2026

Throw Exceptions in Asserts

bugSomething isn't workingSomething isn't working

bug: affects latest releaseBug also exists in latest release versionBug also exists in latest release version

component: PythonPython layerPython layer

Status: Open.

#6741 In BLAST-WarpX/warpx;

· ax3l opened on Apr 2, 2026

Is mesh refinement with more than 1 level available in version 26.03?

component: mesh refinement(A)MR(A)MR

questionFurther information is requestedFurther information is requested

Status: Open.

#6733 In BLAST-WarpX/warpx;

· chiehjen-jerry opened on Apr 1, 2026

clang-tidy CI test is broken

bugSomething isn't workingSomething isn't working

bug: affects latest releaseBug also exists in latest release versionBug also exists in latest release version

component: testsTests and CITests and CI

Status: Open.

#6686 In BLAST-WarpX/warpx;

· lucafedeli88 opened on Mar 16, 2026