Issues

• [BUG]: ILL IN4 OpenACC compilation issue

  mccode-dev/McCode#3062 · Filter by author willend opened on Nov 7, 2026

• MCPL_output: stat:sum:initial_ray_count is the requested ray count when a run is interrupted

  MCPL
  mccode-dev/McCode#3055 · Filter by author tkittel opened on Nov 6, 2026

• Monochromator_bent(_complex): GPU port (fixed-size per-crystal arrays) and unknown plane_of_reflection fallback

  C: McStas componentquestion
  mccode-dev/McCode#3009 · Filter by author willend opened on Nov 1, 2026
  1

• Vertical_T0a: exit-side slit-package reset uses splen/2 instead of splen

  C: McStas componentquestion
  mccode-dev/McCode#3007 · Filter by author willend opened on Nov 1, 2026

• Fermi_chop2a: exit-side slit-package reset uses splen/2 instead of splen

  C: McStas componentquestion
  mccode-dev/McCode#3006 · Filter by author willend opened on Nov 1, 2026

• StatisticalChopper: sign of delay for isfirst=1, and autocorrelation check stops after A_0

  C: McStas componentquestion
  mccode-dev/McCode#3005 · Filter by author willend opened on Nov 1, 2026

• pol-lib: per-particle heap allocation of the magnetic-field stack (mcmagnet_push/pop)

  mccode-dev/McCode#3003 · Filter by author willend opened on Nov 1, 2026

• sas_rectangular_prism.c is missing: SasView_rectangular_prism cannot build

  mccode-dev/McCode#2989 · Filter by author willend opened on Nov 1, 2026

• Phonon_BvK_PG on main is non-functional; finalise via #2344

  mccode-dev/McCode#2988 · Filter by author willend opened on Nov 1, 2026
  2

• Pol_bender_tapering: segfault in INITIALIZE when reflect_file has no '# parameter:' header

  mccode-dev/McCode#2954 · Filter by author willend opened on Oct 31, 2026

• [BUG]: McXtrace: code written for 2.x in-place RESTORE_XRAY; EXTEND 'if (!SCATTERED) ABSORB' is a no-op for restored rays

  mccode-dev/McCode#2940 · Filter by author willend opened on Oct 30, 2026
  1

• [BUG]: McStas: code written for 2.x in-place RESTORE_NEUTRON; an ABSORB after RESTORE is cancelled in 3.x

  mccode-dev/McCode#2939 · Filter by author willend opened on Oct 30, 2026
  1

• SpinWave_BCO: abs(B) truncates the magnetic field to whole tesla

  bug
  mccode-dev/McCode#2931 · Filter by author g5t opened on Oct 28, 2026

• Runtime bugs found while writing the component-developer cheat-sheets

  mccode-dev/McCode#2920 · Filter by author willend opened on Oct 28, 2026

• Consider moving waviness sampler (Hansen et al. model) from conic.h to a shared reflectivity library

  mccode-dev/McCode#2874 · Filter by author willend opened on Oct 21, 2026

• [TESTS]: Components without any example/test instrument (McStas + McXtrace)

  mccode-dev/McCode#2862 · Filter by author willend opened on Oct 20, 2026
  2

• [BUG]: Samples and certain other comps should use PROP_NO_G_DT(dt) and friends

  mccode-dev/McCode#2791 · Filter by author willend opened on Oct 12, 2026

• [ BUG ] Union_conditional_PSD / Union_conditional_standard: stack buffer overflow when target_loggers is longer than 511 characters

  mccode-dev/McCode#2788 · Filter by author lomholy-agentic opened on Oct 12, 2026
  5

• [BUG]: mcdisplay's list a --default that should in fact be today's -y

  mccode-dev/McCode#2768 · Filter by author willend opened on Oct 7, 2026

• [BUG]: McStas Union Texture_process supports only a==b unit cells

  mccode-dev/McCode#2717 · Filter by author willend opened on Sep 30, 2026

• [BUG]: macOS and python=3.14, qscintilla2 not functional

  mccode-dev/McCode#2680 · Filter by author willend opened on Sep 22, 2026
  1

• SasView_ components use invalid stack-array syntax

  mccode-dev/McCode#2679 · Filter by author g5t opened on Sep 22, 2026

• [BUG]: McStas PowderN use of cif2hkl for cif-files is semi-buggy

  bug
  mccode-dev/McCode#2635 · Filter by author willend opened on Sep 9, 2026

• [CI/repo]: Use GitHub LFS / cache to make MCPL-input for ESS instrument available

  mccode-dev/McCode#2628 · Filter by author willend opened on Sep 5, 2026

• [FEATURE]: McXtrace Filter.comp (and others) could use the FFAST database directly, instead of going through intermediary datafiles

  mccode-dev/McCode#2553 · Filter by author ebknudsen opened on Jul 5, 2026
  1