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C++20 Features To Prioritize For AMReX

Status: Open.

#5375 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 22, 2026

Robin BC for EB

Status: Open.

#5365 In AMReX-Codes/amrex;

· starwar9527 opened on Apr 21, 2026

AMReX_TP_PROFILE never reaches the third-party profiler helper

Status: Open.

#5364 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 21, 2026

CUDA 11.2+ diagnostic-error flags are appended to the wrong variable

Status: Open.

#5363 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 21, 2026

AMReX_SYCL_AOT accepts the "IGNORE" sentinel and emits invalid backend flags

Status: Open.

#5362 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 21, 2026

ParallelContext::pop silently frees wrong communicator

Status: Open.

#5344 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

ParallelContext hands out MPI tags below MPI_TAG_UB

Status: Open.

#5343 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

ParallelDescriptor::Message::count() assumes prior wait/test

Status: Open.

#5342 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

Morton encoders wrap high-end coordinates back to zero

Status: Open.

#5339 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

MPMD::Finalize frees MPI_COMM_NULL

Status: Open.

#5338 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

MPMD::Initialize_without_split dereferences missing MPI_APPNUM

Status: Open.

#5337 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

Signed swapBytes uses UB on negative inputs

Status: Open.

#5333 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 15, 2026