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willend merged 2 commits into from
Apr 12, 2026
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Doc updates for 3.6.14 #2399

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a38bc40
INSTALL doc updates for 3.6.14
willend Apr 12, 2026
b91215b
Updated changes docs
willend Apr 12, 2026
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114 changes: 113 additions & 1 deletion CHANGES_McStas
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Expand Up @@ -60,11 +60,123 @@
* Modified by: PW June 2025: version 3.5.32
* Modified by: PW December 2025: version 3.6.1
* Modified by: PW January 2026: version 3.6.5
* Modified by: PW April 2026: version 3.6.14
*
* This file is part of McStas 3.6.5, released December 7th 2026.
* This file is part of McStas 3.6.14, released April 12th 2026.
* It gives a 'changes' list from the beginning of the project
*
*******************************************************************************/
Changes in McStas/McXtrace 3.6.14, April 12th, 2026
## What's Changed

### New comps/instruments
* Adding the ILL SANS instrument 'SAM' by @nmgm in https://github.com/mccode-dev/McCode/pull/2388
* Follow-up to https://github.com/mccode-dev/McCode/pull/2387 by @willend in https://github.com/mccode-dev/McCode/pull/2390

### New tool feature: NeXus scans become entries in one common HDF file
* Prototype solution to allow 'append’ mode for datasets by @willend in https://github.com/mccode-dev/McCode/pull/2376
* Updated Rubredoxin lau file from @aaronfinke by @willend in https://github.com/mccode-dev/McCode/pull/2384

### Various updates to instruments/components
* Fix for rare crash of ILL_IN4 / MPI by @willend in https://github.com/mccode-dev/McCode/pull/2287
* NMO Comp/instr: Header fixes. Plus suppresion of mcdisplay. by @willend in https://github.com/mccode-dev/McCode/pull/2288
* Add 'full' template in McXtrace and align with McStas version by @willend in https://github.com/mccode-dev/McCode/pull/2290
* Union mcdisplay bugs by @Lomholy in https://github.com/mccode-dev/McCode/pull/2294
* Fix to MPI-mode use of Brilliance Transfer calculation. by @willend in https://github.com/mccode-dev/McCode/pull/2300
* Add McStas unittest for ALLOW_BACKPROP macro. by @willend in https://github.com/mccode-dev/McCode/pull/2302
* Update Unittest_ALLOW_BACKPROP with per-particle test by @willend in https://github.com/mccode-dev/McCode/pull/2303
* Make backprop thread safe in McStas by @willend in https://github.com/mccode-dev/McCode/pull/2304
* Minor instrument and comp updates, McStas by @willend in https://github.com/mccode-dev/McCode/pull/2332
* More %Example tests for McStas instruments by @willend in https://github.com/mccode-dev/McCode/pull/2333
* McStas Isotropic_Sqw: fix misplaced MPI_MASTER( … ); brackets by @willend in https://github.com/mccode-dev/McCode/pull/2335
* Increase McStas Test_SANS stat requirements in selected %Example lines by @willend in https://github.com/mccode-dev/McCode/pull/2336
* More additions of McStas %Example lines by @willend in https://github.com/mccode-dev/McCode/pull/2337
* Manual update of McXtrace Incoherent_process comp from EBK branch by @willend in https://github.com/mccode-dev/McCode/pull/2338
* Add more %Example lines to McStas instruments by @willend in https://github.com/mccode-dev/McCode/pull/2341
* Lift H22_D1B expectation value by @willend in https://github.com/mccode-dev/McCode/pull/2342
* Add Test instrument for Be-filter models by @willend in https://github.com/mccode-dev/McCode/pull/2349
* Disable nightly test of SNS_ARCS instr by @willend in https://github.com/mccode-dev/McCode/pull/2350
* Add ILL_H142 using ‘simple comps only' by @willend in https://github.com/mccode-dev/McCode/pull/2354
* Re-enable a few tests on the nightlies by @willend in https://github.com/mccode-dev/McCode/pull/2364
* Improve final detector stats by 1 order (SPLIT) in SNS_ARCS by @willend in https://github.com/mccode-dev/McCode/pull/2370
* ESS_butterfly: Wrap all printf / fprintf in MPI_MASTER( ); by @willend in https://github.com/mccode-dev/McCode/pull/2372
* Updated Example values following updated Rubredoxin.lau by @willend in https://github.com/mccode-dev/McCode/pull/2386
* Adapt Guide_m interface -> style of Guide_gravity parameters by @willend in https://github.com/mccode-dev/McCode/pull/2389
* McStas Monitor_nD “nexusbins” only in listmode by @willend in https://github.com/mccode-dev/McCode/pull/2387
* Adjust %Example line in templateNMX by @willend in https://github.com/mccode-dev/McCode/pull/2397
* Mono bent complex string parsing by @Lomholy in https://github.com/mccode-dev/McCode/pull/2395

### Tool improvements
* Use better indentation/formatting in mctest json outputs by @willend in https://github.com/mccode-dev/McCode/pull/2306
* Prototype clang-format based code-formatting tool by @willend in https://github.com/mccode-dev/McCode/pull/2314
* Add cppcheck and clang-format to devel dependency list by @willend in https://github.com/mccode-dev/McCode/pull/2322
* Add hints for alternative mcdisplay visualisation in Jupyter... by @willend in https://github.com/mccode-dev/McCode/pull/2353
* Add timers for maximal compile / runtime in mctest by @willend in https://github.com/mccode-dev/McCode/pull/2356
* Add mctest logic to skip / not overwrite existing test data by @willend in https://github.com/mccode-dev/McCode/pull/2358
* mctest / timeout system - ensure to kill underlying processes by @willend in https://github.com/mccode-dev/McCode/pull/2363
* mctest: Use process group for more stable hung process cleanup by @willend in https://github.com/mccode-dev/McCode/pull/2365
* mctest: Even more elaborate process-control / termination logic by @willend in https://github.com/mccode-dev/McCode/pull/2366
* Tolerate & and # in mcdoc unit specifications by @willend in https://github.com/mccode-dev/McCode/pull/2369
* mcrun -L list was broken, fixed here by (re-)calculating number of elements … by @willend in https://github.com/mccode-dev/McCode/pull/2377
* Changed (hard-coded) mcgui 3D visualiser to be webgl-classic by @willend in https://github.com/mccode-dev/McCode/pull/2381
* On Windows use psutil for probing number of available cores in MPI by @willend in https://github.com/mccode-dev/McCode/pull/2367

### Fixes to various bugs (some for specific issues)
* Attempt at fixing https://github.com/mccode-dev/McCode/issues/2310 by @willend in https://github.com/mccode-dev/McCode/pull/2311
* Fix for nasty double-assignment m=m = m, spotted via mcstas-antlr by @willend in https://github.com/mccode-dev/McCode/pull/2355
* Add ‘allow_backprop’ as _particle member in McXtrace like McStas by @willend in https://github.com/mccode-dev/McCode/pull/2357
* Patch issue 2359 - Al_window absorption/scattering by @willend in https://github.com/mccode-dev/McCode/pull/2360
* Phonon focusing fix by @Lomholy in https://github.com/mccode-dev/McCode/pull/2343
* Remove cogen compiletime warnings by @willend in https://github.com/mccode-dev/McCode/pull/2374
* Silence warning in case NeXus is built in by @willend in https://github.com/mccode-dev/McCode/pull/2398

### LaTeX in doc headers
* Use JS LaTeX environments to render equations in headers by @willend in https://github.com/mccode-dev/McCode/pull/2291
* Update LaTeX formatting for waviness parameter by @willend in https://github.com/mccode-dev/McCode/pull/2293

### Clang-format formatting of component syntax
* Add comp-formatter to McStas monitors by @willend in https://github.com/mccode-dev/McCode/pull/2315
* Add comp-formatter to McStas sasmodels comps by @willend in https://github.com/mccode-dev/McCode/pull/2316
* Add comp-formatter to McStas samples by @willend in https://github.com/mccode-dev/McCode/pull/2317
* Add comp-formatter to McStas optics by @willend in https://github.com/mccode-dev/McCode/pull/2318
* Add comp-formatter to McStas contrib by @willend in https://github.com/mccode-dev/McCode/pull/2319
* Add comp-formatter to McStas misc by @willend in https://github.com/mccode-dev/McCode/pull/2321
* Add comp-formatter to McStas Union by @willend in https://github.com/mccode-dev/McCode/pull/2320
* Format McXtrace contrib by @willend in https://github.com/mccode-dev/McCode/pull/2323
* Format McXtrace astrox by @willend in https://github.com/mccode-dev/McCode/pull/2324
* Format McXtrace misc by @willend in https://github.com/mccode-dev/McCode/pull/2325
* Format McXtrace monitors by @willend in https://github.com/mccode-dev/McCode/pull/2326
* Format McXtrace optics by @willend in https://github.com/mccode-dev/McCode/pull/2327
* Format McXtrace samples by @willend in https://github.com/mccode-dev/McCode/pull/2328
* Format McXtrace sasmodels by @willend in https://github.com/mccode-dev/McCode/pull/2329
* Formatting for McXtrace sources by @willend in https://github.com/mccode-dev/McCode/pull/2330
* Format McXtrace union by @willend in https://github.com/mccode-dev/McCode/pull/2331

### Project infrastructure
* Update issue templates by @willend in https://github.com/mccode-dev/McCode/pull/2295
* Update issue templates by @willend in https://github.com/mccode-dev/McCode/pull/2296
* Minor work on issue templates by @willend in https://github.com/mccode-dev/McCode/pull/2297
* Add security issue template and update issue prefixes by @willend in https://github.com/mccode-dev/McCode/pull/2298
* Adjust remaining conda-based workflows to install/use mamba by @willend in https://github.com/mccode-dev/McCode/pull/2299
* Tool-only import from branch clangformat-experimental by @willend in https://github.com/mccode-dev/McCode/pull/2312
* Minor improvements to mccode-clangformat tool + update PR template by @willend in https://github.com/mccode-dev/McCode/pull/2334
* Workflow and dependency updates by @willend in https://github.com/mccode-dev/McCode/pull/2362
* Bump version of actions/setup-python in non-conda workflows by @willend in https://github.com/mccode-dev/McCode/pull/2383
* Upgrade vite required version by @willend in https://github.com/mccode-dev/McCode/pull/2393

### Various GPU related
* Disable RITA-II test: hangs GPU box by @willend in https://github.com/mccode-dev/McCode/pull/2339
* Workaround to run ILL_IN5_Spots correctly on GPU system by @willend in https://github.com/mccode-dev/McCode/pull/2340
* Disable test - periodically hangs gpu box by @willend in https://github.com/mccode-dev/McCode/pull/2346
* Configuration update on GPU box by @willend in https://github.com/mccode-dev/McCode/pull/2368
* Fix typo in GPU box mccode_config by @willend in https://github.com/mccode-dev/McCode/pull/2378
* Should allow ILL_H15_SAM to execute on GPU/OpenACC by @willend in https://github.com/mccode-dev/McCode/pull/2394

## New Contributors
* @nmgm made their first contribution in https://github.com/mccode-dev/McCode/pull/2388

**Full Changelog**: https://github.com/mccode-dev/McCode/compare/v3.6.5...v3.6.14

Changes in McStas/McXtrace 3.6.5, January 7th, 2026
## What's Changed - Main Changes:

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