McStas/McXtrace v. 3.6.11

What's Changed

• Fix for rare crash of ILL_IN4 / MPI by @willend in #2287
• NMO Comp/instr: Header fixes. Plus suppresion of mcdisplay. by @willend in #2288
• Add 'full' template in McXtrace and align with McStas version by @willend in #2290
• Use JS LaTeX environments to render equations in headers by @willend in #2291
• Update LaTeX formatting for waviness parameter by @willend in #2293
• Update issue templates by @willend in #2295
• Update issue templates by @willend in #2296
• Minor work on issue templates by @willend in #2297
• Add security issue template and update issue prefixes by @willend in #2298
• Adjust remaining conda-based workflows to install/use mamba by @willend in #2299
• Union mcdisplay bugs by @Lomholy in #2294
• Fix to MPI-mode use of Brilliance Transfer calculation. by @willend in #2300
• Add McStas unittest for ALLOW_BACKPROP macro. by @willend in #2302
• Update Unittest_ALLOW_BACKPROP with per-particle test by @willend in #2303
• Make backprop thread safe in McStas by @willend in #2304
• Use better indentation/formatting in mctest json outputs by @willend in #2306
• Attempt at fixing #2310 by @willend in #2311
• Tool-only import from branch clangformat-experimental by @willend in #2312
• Prototype clang-format based code-formatting tool by @willend in #2314
• Add cppcheck and clang-format to devel dependency list by @willend in #2322
• Add comp-formatter to McStas monitors by @willend in #2315
• Add comp-formatter to McStas sasmodels comps by @willend in #2316
• Add comp-formatter to McStas samples by @willend in #2317
• Add comp-formatter to McStas optics by @willend in #2318
• Add comp-formatter to McStas contrib by @willend in #2319
• Add comp-formatter to McStas misc by @willend in #2321
• Add comp-formatter to McStas Union by @willend in #2320
• Format McXtrace contrib by @willend in #2323
• Format McXtrace astrox by @willend in #2324
• Format McXtrace misc by @willend in #2325
• Format McXtrace monitors by @willend in #2326
• Format McXtrace optics by @willend in #2327
• Format McXtrace samples by @willend in #2328
• Format McXtrace sasmodels by @willend in #2329
• Formatting for McXtrace sources by @willend in #2330
• Format McXtrace union by @willend in #2331
• Minor instrument and comp updates, McStas by @willend in #2332
• More %Example tests for McStas instruments by @willend in #2333
• Minor improvements to mccode-clangformat tool + update PR template by @willend in #2334
• McStas Isotropic_Sqw: fix misplaced MPI_MASTER( … ); brackets by @willend in #2335
• Increase McStas Test_SANS stat requirements in selected %Example lines by @willend in #2336
• More additions of McStas %Example lines by @willend in #2337
• Manual update of McXtrace Incoherent_process comp from EBK branch by @willend in #2338
• Disable RITA-II test: hangs GPU box by @willend in #2339
• Workaround to run ILL_IN5_Spots correctly on GPU system by @willend in #2340
• Add more %Example lines to McStas instruments by @willend in #2341
• Lift H22_D1B expectation value by @willend in #2342
• Disable test - periodically hangs gpu box by @willend in #2346
• Add Test instrument for Be-filter models by @willend in #2349
• Disable nightly test of SNS_ARCS instr by @willend in #2350
• Add hints for alternative mcdisplay visualisation in Jupyter... by @willend in #2353
• Add ILL_H142 using ‘simple comps only' by @willend in #2354
• Fix for nasty double-assignment m=m = m, spotted via mcstas-antlr by @willend in #2355
• Add timers for maximal compile / runtime in mctest by @willend in #2356
• Add ‘allow_backprop’ as _particle member in McXtrace like McStas by @willend in #2357
• Patch issue 2359 - Al_window absorption/scattering by @willend in #2360
• Phonon focusing fix by @Lomholy in #2343
• Workflow and dependency updates by @willend in #2362
• Add mctest logic to skip / not overwrite existing test data by @willend in #2358
• mctest / timeout system - ensure to kill underlying processes by @willend in #2363
• Re-enable a few tests on the nightlies by @willend in #2364
• mctest: Use process group for more stable hung process cleanup by @willend in #2365
• mctest: Even more elaborate process-control / termination logic by @willend in #2366
• On Windows use psutil for probing number of available cores in MPI by @willend in #2367
• Configuration update on GPU box by @willend in #2368
• Tolerate & and # in mcdoc unit specifications by @willend in #2369
• Improve final detector stats by 1 order (SPLIT) in SNS_ARCS by @willend in #2370
• ESS_butterfly: Wrap all printf / fprintf in MPI_MASTER( ); by @willend in #2372
• Remove cogen compiletime warnings by @willend in #2374
• mcrun -L list was broken, fixed here by (re-)calculating number of elements … by @willend in #2377
• Prototype solution to allow 'append’ mode for datasets by @willend in #2376
• Fix typo in GPU box mccode_config by @willend in #2378
• Changed (hard-coded) mcgui 3D visualiser to be webgl-classic by @willend in #2381
• Repair Qt message box - we should now be on PyQt6 everywhere by @willend in #2382

Full Changelog: v3.6.5...v3.6.11

McStas/McXtrace v. 3.6.10

What's Changed

• Fix for rare crash of ILL_IN4 / MPI by @willend in #2287
• NMO Comp/instr: Header fixes. Plus suppresion of mcdisplay. by @willend in #2288
• Add 'full' template in McXtrace and align with McStas version by @willend in #2290
• Use JS LaTeX environments to render equations in headers by @willend in #2291
• Update LaTeX formatting for waviness parameter by @willend in #2293
• Update issue templates by @willend in #2295
• Update issue templates by @willend in #2296
• Minor work on issue templates by @willend in #2297
• Add security issue template and update issue prefixes by @willend in #2298
• Adjust remaining conda-based workflows to install/use mamba by @willend in #2299
• Union mcdisplay bugs by @Lomholy in #2294
• Fix to MPI-mode use of Brilliance Transfer calculation. by @willend in #2300
• Add McStas unittest for ALLOW_BACKPROP macro. by @willend in #2302
• Update Unittest_ALLOW_BACKPROP with per-particle test by @willend in #2303
• Make backprop thread safe in McStas by @willend in #2304
• Use better indentation/formatting in mctest json outputs by @willend in #2306
• Attempt at fixing #2310 by @willend in #2311
• Tool-only import from branch clangformat-experimental by @willend in #2312
• Prototype clang-format based code-formatting tool by @willend in #2314
• Add cppcheck and clang-format to devel dependency list by @willend in #2322
• Add comp-formatter to McStas monitors by @willend in #2315
• Add comp-formatter to McStas sasmodels comps by @willend in #2316
• Add comp-formatter to McStas samples by @willend in #2317
• Add comp-formatter to McStas optics by @willend in #2318
• Add comp-formatter to McStas contrib by @willend in #2319
• Add comp-formatter to McStas misc by @willend in #2321
• Add comp-formatter to McStas Union by @willend in #2320
• Format McXtrace contrib by @willend in #2323
• Format McXtrace astrox by @willend in #2324
• Format McXtrace misc by @willend in #2325
• Format McXtrace monitors by @willend in #2326
• Format McXtrace optics by @willend in #2327
• Format McXtrace samples by @willend in #2328
• Format McXtrace sasmodels by @willend in #2329
• Formatting for McXtrace sources by @willend in #2330
• Format McXtrace union by @willend in #2331
• Minor instrument and comp updates, McStas by @willend in #2332
• More %Example tests for McStas instruments by @willend in #2333
• Minor improvements to mccode-clangformat tool + update PR template by @willend in #2334
• McStas Isotropic_Sqw: fix misplaced MPI_MASTER( … ); brackets by @willend in #2335
• Increase McStas Test_SANS stat requirements in selected %Example lines by @willend in #2336
• More additions of McStas %Example lines by @willend in #2337
• Manual update of McXtrace Incoherent_process comp from EBK branch by @willend in #2338
• Disable RITA-II test: hangs GPU box by @willend in #2339
• Workaround to run ILL_IN5_Spots correctly on GPU system by @willend in #2340
• Add more %Example lines to McStas instruments by @willend in #2341
• Lift H22_D1B expectation value by @willend in #2342
• Disable test - periodically hangs gpu box by @willend in #2346
• Add Test instrument for Be-filter models by @willend in #2349
• Disable nightly test of SNS_ARCS instr by @willend in #2350
• Add hints for alternative mcdisplay visualisation in Jupyter... by @willend in #2353
• Add ILL_H142 using ‘simple comps only' by @willend in #2354
• Fix for nasty double-assignment m=m = m, spotted via mcstas-antlr by @willend in #2355
• Add timers for maximal compile / runtime in mctest by @willend in #2356
• Add ‘allow_backprop’ as _particle member in McXtrace like McStas by @willend in #2357
• Patch issue 2359 - Al_window absorption/scattering by @willend in #2360
• Phonon focusing fix by @Lomholy in #2343
• Workflow and dependency updates by @willend in #2362
• Add mctest logic to skip / not overwrite existing test data by @willend in #2358
• mctest / timeout system - ensure to kill underlying processes by @willend in #2363
• Re-enable a few tests on the nightlies by @willend in #2364
• mctest: Use process group for more stable hung process cleanup by @willend in #2365
• mctest: Even more elaborate process-control / termination logic by @willend in #2366
• On Windows use psutil for probing number of available cores in MPI by @willend in #2367
• Configuration update on GPU box by @willend in #2368
• Tolerate & and # in mcdoc unit specifications by @willend in #2369
• Improve final detector stats by 1 order (SPLIT) in SNS_ARCS by @willend in #2370
• ESS_butterfly: Wrap all printf / fprintf in MPI_MASTER( ); by @willend in #2372
• Remove cogen compiletime warnings by @willend in #2374
• mcrun -L list was broken, fixed here by (re-)calculating number of elements … by @willend in #2377
• Prototype solution to allow 'append’ mode for datasets by @willend in #2376
• Fix typo in GPU box mccode_config by @willend in #2378
• Changed (hard-coded) mcgui 3D visualiser to be webgl-classic by @willend in #2381

Full Changelog: v3.6.5...v3.6.10

v3.6.9

What's Changed

• Fix for rare crash of ILL_IN4 / MPI by @willend in #2287
• NMO Comp/instr: Header fixes. Plus suppresion of mcdisplay. by @willend in #2288
• Add 'full' template in McXtrace and align with McStas version by @willend in #2290
• Use JS LaTeX environments to render equations in headers by @willend in #2291
• Update LaTeX formatting for waviness parameter by @willend in #2293
• Update issue templates by @willend in #2295
• Update issue templates by @willend in #2296
• Minor work on issue templates by @willend in #2297
• Add security issue template and update issue prefixes by @willend in #2298
• Adjust remaining conda-based workflows to install/use mamba by @willend in #2299
• Union mcdisplay bugs by @Lomholy in #2294
• Fix to MPI-mode use of Brilliance Transfer calculation. by @willend in #2300
• Add McStas unittest for ALLOW_BACKPROP macro. by @willend in #2302
• Update Unittest_ALLOW_BACKPROP with per-particle test by @willend in #2303
• Make backprop thread safe in McStas by @willend in #2304
• Use better indentation/formatting in mctest json outputs by @willend in #2306
• Attempt at fixing #2310 by @willend in #2311
• Tool-only import from branch clangformat-experimental by @willend in #2312
• Prototype clang-format based code-formatting tool by @willend in #2314
• Add cppcheck and clang-format to devel dependency list by @willend in #2322
• Add comp-formatter to McStas monitors by @willend in #2315
• Add comp-formatter to McStas sasmodels comps by @willend in #2316
• Add comp-formatter to McStas samples by @willend in #2317
• Add comp-formatter to McStas optics by @willend in #2318
• Add comp-formatter to McStas contrib by @willend in #2319
• Add comp-formatter to McStas misc by @willend in #2321
• Add comp-formatter to McStas Union by @willend in #2320
• Format McXtrace contrib by @willend in #2323
• Format McXtrace astrox by @willend in #2324
• Format McXtrace misc by @willend in #2325
• Format McXtrace monitors by @willend in #2326
• Format McXtrace optics by @willend in #2327
• Format McXtrace samples by @willend in #2328
• Format McXtrace sasmodels by @willend in #2329
• Formatting for McXtrace sources by @willend in #2330
• Format McXtrace union by @willend in #2331
• Minor instrument and comp updates, McStas by @willend in #2332
• More %Example tests for McStas instruments by @willend in #2333
• Minor improvements to mccode-clangformat tool + update PR template by @willend in #2334
• McStas Isotropic_Sqw: fix misplaced MPI_MASTER( … ); brackets by @willend in #2335
• Increase McStas Test_SANS stat requirements in selected %Example lines by @willend in #2336
• More additions of McStas %Example lines by @willend in #2337
• Manual update of McXtrace Incoherent_process comp from EBK branch by @willend in #2338
• Disable RITA-II test: hangs GPU box by @willend in #2339
• Workaround to run ILL_IN5_Spots correctly on GPU system by @willend in #2340
• Add more %Example lines to McStas instruments by @willend in #2341
• Lift H22_D1B expectation value by @willend in #2342
• Disable test - periodically hangs gpu box by @willend in #2346
• Add Test instrument for Be-filter models by @willend in #2349
• Disable nightly test of SNS_ARCS instr by @willend in #2350
• Add hints for alternative mcdisplay visualisation in Jupyter... by @willend in #2353
• Add ILL_H142 using ‘simple comps only' by @willend in #2354
• Fix for nasty double-assignment m=m = m, spotted via mcstas-antlr by @willend in #2355
• Add timers for maximal compile / runtime in mctest by @willend in #2356
• Add ‘allow_backprop’ as _particle member in McXtrace like McStas by @willend in #2357
• Patch issue 2359 - Al_window absorption/scattering by @willend in #2360
• Phonon focusing fix by @Lomholy in #2343
• Workflow and dependency updates by @willend in #2362
• Add mctest logic to skip / not overwrite existing test data by @willend in #2358
• mctest / timeout system - ensure to kill underlying processes by @willend in #2363
• Re-enable a few tests on the nightlies by @willend in #2364
• mctest: Use process group for more stable hung process cleanup by @willend in #2365
• mctest: Even more elaborate process-control / termination logic by @willend in #2366
• On Windows use psutil for probing number of available cores in MPI by @willend in #2367
• Configuration update on GPU box by @willend in #2368
• Tolerate & and # in mcdoc unit specifications by @willend in #2369
• Improve final detector stats by 1 order (SPLIT) in SNS_ARCS by @willend in #2370
• ESS_butterfly: Wrap all printf / fprintf in MPI_MASTER( ); by @willend in #2372
• Remove cogen compiletime warnings by @willend in #2374
• mcrun -L list was broken, fixed here by (re-)calculating number of elements … by @willend in #2377
• Prototype solution to allow 'append’ mode for datasets by @willend in #2376

Full Changelog: v3.6.5...v3.6.9

McStas/McXtrace 3.6.8

What's Changed

• Fix for rare crash of ILL_IN4 / MPI by @willend in #2287
• NMO Comp/instr: Header fixes. Plus suppresion of mcdisplay. by @willend in #2288
• Add 'full' template in McXtrace and align with McStas version by @willend in #2290
• Use JS LaTeX environments to render equations in headers by @willend in #2291
• Update LaTeX formatting for waviness parameter by @willend in #2293
• Update issue templates by @willend in #2295
• Update issue templates by @willend in #2296
• Minor work on issue templates by @willend in #2297
• Add security issue template and update issue prefixes by @willend in #2298
• Adjust remaining conda-based workflows to install/use mamba by @willend in #2299
• Union mcdisplay bugs by @Lomholy in #2294
• Fix to MPI-mode use of Brilliance Transfer calculation. by @willend in #2300
• Add McStas unittest for ALLOW_BACKPROP macro. by @willend in #2302
• Update Unittest_ALLOW_BACKPROP with per-particle test by @willend in #2303
• Make backprop thread safe in McStas by @willend in #2304
• Use better indentation/formatting in mctest json outputs by @willend in #2306
• Attempt at fixing #2310 by @willend in #2311

Full Changelog: v3.6.5...v3.6.8

McStas/McXtrace 3.6.7

What's Changed

• Fix for rare crash of ILL_IN4 / MPI by @willend in #2287
• NMO Comp/instr: Header fixes. Plus suppresion of mcdisplay. by @willend in #2288
• Add 'full' template in McXtrace and align with McStas version by @willend in #2290
• Use JS LaTeX environments to render equations in headers by @willend in #2291
• Update LaTeX formatting for waviness parameter by @willend in #2293
• Update issue templates by @willend in #2295
• Update issue templates by @willend in #2296
• Minor work on issue templates by @willend in #2297
• Add security issue template and update issue prefixes by @willend in #2298
• Adjust remaining conda-based workflows to install/use mamba by @willend in #2299
• Union mcdisplay bugs by @Lomholy in #2294
• Fix to MPI-mode use of Brilliance Transfer calculation. by @willend in #2300
• Add McStas unittest for ALLOW_BACKPROP macro. by @willend in #2302
• Update Unittest_ALLOW_BACKPROP with per-particle test by @willend in #2303
• Make backprop thread safe in McStas by @willend in #2304

Full Changelog: v3.6.5...v3.6.7

McStas/McXtrace version 3.6.6

Minor update

What's Changed

• Fix for rare crash of ILL_IN4 / MPI by @willend in #2287
• NMO Comp/instr: Header fixes. Plus suppresion of mcdisplay. by @willend in #2288
• Add 'full' template in McXtrace and align with McStas version by @willend in #2290
• Use JS LaTeX environments to render equations in headers by @willend in #2291
• Update LaTeX formatting for waviness parameter by @willend in #2293
• Update issue templates by @willend in #2295
• Update issue templates by @willend in #2296
• Minor work on issue templates by @willend in #2297
• Add security issue template and update issue prefixes by @willend in #2298
• Adjust remaining conda-based workflows to install/use mamba by @willend in #2299
• Union mcdisplay bugs by @Lomholy in #2294
• Fix to MPI-mode use of Brilliance Transfer calculation. by @willend in #2300

Full Changelog: v3.6.5...v3.6.6

McStas/McXtrace version 3.6.5

Changes in McStas/McXtrace 3.6.5, January 7th, 2026

What's Changed - Main Changes:

Bugfixes, new features, all common to McStas and McXtrace:

• macOS bundles in 3.6.1 did not actually install that version but something earlier. Fixed by pinning in yml file, @willend in #2285
• PDF manuals had wrong version numbers, @willend in #2285
• Allow mcrun / mcdisplay to run / visualize without access to .c/.instr by @willend in #2281
• mcgui/mxgui editable font colors, handle long filenames without extreme window resizing by @willend in #2275
• Fix cross-platform sort-order issue in PowderN by @willend in #2272
• Platform-independent reflection list sort in Single_crystal by @willend in #2273
• mcrun/mxrun: feature addition - scan by seed by @willend in #2276
• Add mcplot toggle to "plot 1D-curves from 0-value" in linear mode by @willend in #2278
• Add commentstring to vim editor by @Lomholy in #2284

Other stuff

• %Example adjustments, McXtrace by @willend in #2269
• Test_SANS/Test_SAXS, supplement stats by x10 SPLIT by @willend in #2270
• Use ${{ matrix.mpi }} to ensure different output dirs by @willend in #2271
• Fix indentation bug - issue #2279 by @willend in #2280
• Temporarily disable this instr from McXtrace tests by @willend in #2283

Full Changelog: v3.6.1...v3.6.5

McStas/McXtrace version 3.6.4 minor update

What's Changed

• CHANGELOG minor update by @willend in #2266
• Correct linting/malloc clean-up woopsie... M1P1 was overwritten. by @willend in #2268
• %Example adjustments, McXtrace by @willend in #2269
• Test_SANS/Test_SAXS, supplement stats by x10 SPLIT by @willend in #2270
• Use ${{ matrix.mpi }} to ensure different output dirs by @willend in #2271
• Fix cross-platform sort-order issue in PowderN by @willend in #2272
• mcgui/mxgui editable font colors, handle long filenames without extreme window resizing by @willend in #2275
• mcrun/mxrun: feature addition - scan by seed by @willend in #2276
• Platform-independent reflection list sort in Single_crystal by @willend in #2273
• Add mcplot toggle to "plot 1D-curves from 0-value" in linear mode by @willend in #2278
• Fix indentation bug - issue #2279 by @willend in #2280
• Allow mcrun / mcdisplay to run / visualize without access to .c/.instr by @willend in #2281

Full Changelog: v3.6.1...v3.6.4

McStas/McXtrace version 3.6.3 minor update

What's Changed

• CHANGELOG minor update by @willend in #2266
• Correct linting/malloc clean-up woopsie... M1P1 was overwritten. by @willend in #2268
• %Example adjustments, McXtrace by @willend in #2269
• Test_SANS/Test_SAXS, supplement stats by x10 SPLIT by @willend in #2270
• Use ${{ matrix.mpi }} to ensure different output dirs by @willend in #2271
• Fix cross-platform sort-order issue in PowderN by @willend in #2272
• mcgui/mxgui editable font colors, handle long filenames without extreme window resizing by @willend in #2275
• mcrun/mxrun: feature addition - scan by seed by @willend in #2276
• Platform-independent reflection list sort in Single_crystal by @willend in #2273
• Add mcplot toggle to "plot 1D-curves from 0-value" in linear mode by @willend in #2278
• Fix indentation bug introduced in 3.6.2... - issue #2279 by @willend in #2280

Full Changelog: v3.6.1...v3.6.3

McStas/McXtrace version 3.6.2 minor update

What's Changed

Bugfixes

• Correct linting/malloc clean-up woopsie in McStas PSD_Detector... M1P1 was overwritten. by @willend in #2268
• Fix cross-platform sort-order issue in PowderN by @willend in #2272
• Platform-independent reflection list sort in Single_crystal by @willend in #2273

Tools

• mcgui/mxgui editable font colors, handle long filenames without extreme window resizing by @willend in #2275
• mcrun/mxrun: feature addition - scan by seed by @willend in #2276. Useful to evaluate effective simulation variance / precision.
• Add mcplot/mxplot toggle to "plot 1D-curves from 0-value" in linear mode by @willend in #2278. Useful to plot --seeds=a,b scans from mcrun/mxrun

McXtrace specific

• %Example adjustments, McXtrace by @willend in #2269
• Test_SAXS, supplement stats by x10 SPLIT by @willend in #2270

McStas specific

• Test_SANS, supplement stats by x10 SPLIT by @willend in #2270

CI and platforms

• Use ${{ matrix.mpi }} to ensure different output dirs by @willend in #2271

Full Changelog: v3.6.1...v3.6.2