Issues

• Install newest release from conda

  docshelp wanted
  Cytnx-dev/Cytnx#1189 · Filter by author manuschneider opened on Sep 21, 2026

• [build/docs] Define the supported build configuration model

  Cytnx-dev/Cytnx#1183 · Filter by author pcchen opened on Aug 19, 2026
  3

• UniTensor::truncate_(bond, x): x is a bond dimension for dense tensors but a sector index for symmetric ones

  suggestion
  Task

  Cytnx-dev/Cytnx#1182 · Filter by author manuschneider opened on Aug 14, 2026

• Migrate the remaining hand-written CUDA kernels off cuFloatComplex/cuDoubleComplex (follow-up to #1003)

  Cytnx-dev/Cytnx#1178 · Filter by author yingjerkao opened on Aug 13, 2026

• [build] #1171 part 1: default multi-arch CUDA build does emit sm_80 SASS on master — mechanism needs re-diagnosis, and CI never covers the default path

  CI/CDcompile/buildgpu
  Cytnx-dev/Cytnx#1177 · Filter by author yingjerkao opened on Aug 5, 2026
  2

• [build] Default CUDA architectures: GPU kernels silently return zeros on sm_80, and a wrong-arch build never reports an error

  Cytnx-dev/Cytnx#1171 · Filter by author yingjerkao opened on Aug 2, 2026
  7

• refactor(Type): deduplicate the two value-type → CUDA-type traits (to_cuda_t / gpu_element_type_t)

  Cytnx-dev/Cytnx#1170 · Filter by author yingjerkao opened on Aug 2, 2026

• CUDA error paths still terminate the process with exit()

  Cytnx-dev/Cytnx#1164 · Filter by author IvanaGyro opened on Aug 2, 2026

• codecov/project red on every PR since 2026-07-30: pybind/ files dropped out of the C++ coverage report

  bugCI/CD
  Cytnx-dev/Cytnx#1162 · Filter by author yingjerkao opened on Jul 31, 2026
  2

• Uint16 x Uint16 multiply is signed-overflow UB in Kron/Outer/Mul (CPU and GPU)

  buggpu
  Cytnx-dev/Cytnx#1160 · Filter by author yingjerkao opened on Jul 31, 2026
  1

• Print full-precision mismatch values in CPU and GPU test helpers

  Cytnx-dev/Cytnx#1159 · Filter by author IvanaGyro opened on Jul 31, 2026

• No CI job exercises pixi.toml, so the development environment can rot silently

  Cytnx-dev/Cytnx#1158 · Filter by author IvanaGyro opened on Jul 31, 2026

• Move LAPACK/ARPACK wrappers out of the installed public header tree

  Cytnx-dev/Cytnx#1156 · Filter by author IvanaGyro opened on Jul 30, 2026

• Delete cuTNPerm_gpu.{cu,hpp}: orphaned source, never compiled and would not compile

  Cytnx-dev/Cytnx#1142 · Filter by author yingjerkao opened on Jul 29, 2026
  1

• docs: use the doxygen-awesome-css submodule instead of the stale copies in doxygen_conf/

  Cytnx-dev/Cytnx#1141 · Filter by author IvanaGyro opened on Jul 29, 2026

• build: manage the Linux and macOS development environment with Pixi

  Cytnx-dev/Cytnx#1140 · Filter by author IvanaGyro opened on Jul 29, 2026

• [build] Preserve paths with spaces in generated C++ compile/link flags

  bugcompile/buildpython binding
  Cytnx-dev/Cytnx#1139 · Filter by author IvanaGyro opened on Jul 29, 2026

• [build] Honor CMAKE_PREFIX_PATH for cuTENSOR/cuQuantum instead of requiring the bespoke CUTENSOR_ROOT/CUQUANTUM_ROOT flags

  compile/buildenhancement
  Cytnx-dev/Cytnx#1136 · Filter by author IvanaGyro opened on Jul 29, 2026
  1

• [build] Stop hard-coding CMAKE_INSTALL_PREFIX in CMakeLists.txt/CMakePresets.json, and make install DESTINATIONs relative

  bugcompile/build
  Cytnx-dev/Cytnx#1135 · Filter by author IvanaGyro opened on Jul 29, 2026

• [build] FindCUTENSOR/FindCUQUANTUM: exported CUTENSOR_ROOT/CUQUANTUM_ROOT silently overrides an explicit -D

  bugcompile/build
  Cytnx-dev/Cytnx#1129 · Filter by author yingjerkao opened on Jul 28, 2026
  1

• nvcc/cudafe++ internal compiler error building src/linalg/Kron.cpp in CUDA release wheels

  Cytnx-dev/Cytnx#1124 · Filter by author IvanaGyro opened on Jul 24, 2026
  10

• FindBoost is deprecated

  Cytnx-dev/Cytnx#1122 · Filter by author IvanaGyro opened on Jul 24, 2026

• boost/detail/atomic_count.hpp is deprecated

  Cytnx-dev/Cytnx#1121 · Filter by author IvanaGyro opened on Jul 24, 2026

• Fix exported CMake usage requirements and relocatable dependencies

  Cytnx-dev/Cytnx#1120 · Filter by author IvanaGyro opened on Jul 23, 2026
  1

• Remove __blasINTsize__ and decouple Type.cpp from LAPACK headers

  Cytnx-dev/Cytnx#1115 · Filter by author IvanaGyro opened on Jul 22, 2026