- Announcements - lists.mantidproject.org

by Sarah Foxley - STFC UKRI

Hello, We are proud to announce version 6.13.0 of Mantid. Installation packages can be found on our download page<https://download.mantidproject.org/> along with updated instructions for installing the latest release via Conda. You can also access the source code on the GitHub release page<https://github.com/mantidproject/mantid/releases/tag/v6.13.0>. These are the highlights for this release: * Availability of a native Apple Silicon package for macOS users. With Rosetta no longer being required, users of this new package should notice a significant performance improvement on Apple Silicon based machines. * A complete overhaul of the NeXus API for loading HDF5-based files. * A set of brand new algorithms for producing and saving multiple polarized SANS files into a single output file. * Significant improvements to the PEARLTransFit algorithm * An upgrade to Python 3.11 Please take a look at the release notes<https://mantidproject.github.io/docs-versioned/v6.13.0/release/v6.13.0/inde…>, which are filled with details of all the changes and improvements in many other areas. The development team has put a great effort into making all of these improvements and we would like to thank all of our beta testers for their time and effort helping us to make this another reliable version. Thank you to everyone that has reported any issues to us and please keep on reporting any problems you have on our forum<https://forum.mantidproject.org/> or by email on mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org>. Kind regards, The Mantid Team Sarah Foxley Mantid Team Lead and Engineering Manager Science and Technology Facilities Council Phone – 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [cid:080777ef-bab3-4ca0-8577-d7bfaaced401]

1 day, 17 hours

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Release of Mantid v6.12.0

by Sarah Foxley - STFC UKRI

Hello, We are proud to announce version 6.12.0 of Mantid. Installation packages can be found on our download page<https://download.mantidproject.org/> along with updated instructions for installing the latest release via Conda. You can also access the source code on the GitHub release page<https://github.com/mantidproject/mantid/releases/tag/v6.12.0>. These are the highlights for this release: * Drop support for NumPy version 1. We now build against NumPy v2.0 and support up to v2.1. Read about the changes<https://numpy.org/news/#numpy-200-released>. Users should note that NumPy 2 introduces some breaking API changes. See the NumPy 2 Migration Guide<https://numpy.org/doc/stable/numpy_2_0_migration_guide.html> for more details. * Updated Matplotlib from version 3.7 to version 3.9. See release notes for version 3.8<https://matplotlib.org/stable/users/prev_whats_new/whats_new_3.8.0.html> and version 3.9<https://matplotlib.org/stable/users/prev_whats_new/whats_new_3.9.0.html> . * IntegratePeaks1DProfile<https://docs.mantidproject.org/nightly/algorithms/IntegratePeaks1DProfile-v…> now uses MultiDomainFunction<https://docs.mantidproject.org/nightly/fitting/fitfunctions/MultiDomainFunc…> to tie peak profile parameters across pixels. * `PEARL powder` has a new ``trans_custom`` focus mode. This allows the user to specify modules to include in the transverse bank focusing using the parameter ``trans_mod_nums``. The module numbers in the range 1-9 can be specified using the same string syntax as run-numbers - e.g. ``trans_mod_nums="1-3,5"`` corresponds to focusing modules 1,2,3 and 5. * New algorithm ReflectometryISISCreateTransmission<https://docs.mantidproject.org/nightly/algorithms/ReflectometryISISCreateTr…> for creating transmission workspaces that are suitable for passing to PolarizationEfficienciesWildes<https://docs.mantidproject.org/nightly/algorithms/PolarizationEfficienciesW…> . * New algorithm CreateMonteCarloWorkspace<https://docs.mantidproject.org/nightly/algorithms/CreateMonteCarloWorkspace…> that creates a randomly distributed workspace by sampling from the probability distribution of the input workspace * ``setPlotType()`` can now be called on Matrix Workspaces to specify the `plot type`. * The algorithm profiler is now available to Linux users. To enable profiling, the Algorithm Profiling Settings<https://docs.mantidproject.org/nightly/concepts/PropertiesFile.html#algorit…> * MSlice<https://docs.mantidproject.org/nightly/interfaces/direct/MSlice.html> has a new observer for workspaces in the Analysis Data Service in Mantid. Consequently, modifications to workspaces in Mantid are now synchronised with MSlice for shared workspaces. For example, this change now ensures that a deleted workspace in Mantid is also deleted in MSlice, which mitigates a common past error of `RuntimeError: Variable invalidated, data has been deleted`. The behaviour of the MSlice interface is thereby made consistent with that of other interfaces. Please take a look at the release notes<https://docs.mantidproject.org/nightly/release/v6.12.0/index.html>, which are filled with details of all the changes and improvements in many other areas. The development team has put a great effort into making all of these improvements and we would like to thank all of our beta testers for their time and effort helping us to make this another reliable version. Thank you to everyone that has reported any issues to us and please keep on reporting any problems you have on our forum<https://forum.mantidproject.org/> or by email on mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org>. Kind regards, The Mantid Team Sarah Foxley Mantid Team Lead and Engineering Manager Science and Technology Facilities Council Phone - 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [stfc_logo]

4 months, 1 week

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Mantid Developer Meeting and User Workshop 2025 - Registration open

by Sarah Foxley - STFC UKRI

Dear all, We are excited to announce that this year's Mantid Developer Meeting and Mantid User Workshop will both be hosted at the Rutherford Appleton Laboratory, UK. Registration for these events is now open! The Mantid Developer Meeting will run from Monday 3rd November to Wednesday 5th November. It will give developers a chance to meet and discuss the latest issues connected with the development of Mantid. The meeting will include the popular 'What has always bugged me about Mantid is ...' activity. It will also include presentations as part of the afternoon sessions. The developer meeting will be open to new and experienced developers contributing to Mantid. It is unlikely be of interest to the wider user community. The Mantid User Workshop will run on Thursday 6th and Friday 7th November. All Users and Developers are welcome to attend this meeting, which will include a mixture of scientific and technical talks, updates about the Mantid project and discussion about upcoming features. The meeting will be designed to foster dialog between user groups and the development teams, while providing the opportunity for users based at the different facilities to discuss common requirements. Part of both meetings will be hybrid. A timetable will be made available later in the year. Please use https://indico.stfc.ac.uk/event/1425/ to register your interest in attending. Register before Friday 25th July to be considered for site accommodation. Final registration is Friday 17th October but register early as numbers may be limited. Many thanks Sarah Foxley (on behalf of the event organisers) Sarah Foxley Mantid Team Lead and Engineering Manager Science and Technology Facilities Council Phone - 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [stfc_logo]

4 months, 2 weeks

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Release of Mantid v6.11.0

by Sarah Foxley - STFC UKRI

Hello, We are proud to announce version 6.11.0 of Mantid. Installation packages can be found on our download page<https://download.mantidproject.org/> along with updated instructions for installing the latest release via Conda. You can also access the source code on the GitHub release page<https://github.com/mantidproject/mantid/releases/tag/v6.11.0>. In this release we gave extra attention to fixing bugs and improving algorithms (for example by making them run faster or use less memory). We also added several new algorithms. These are the highlights for this release: * There is a new Deprecation Policy<https://docs.mantidproject.org/nightly/deprecation.html> for Mantid. One of the main changes is that we will deprecate algorithms that have not been used for 3 years or more. * For single crystal diffraction, we added a new algorithm FindMultipleUMatrices to find multiple UB matrices when given lattice parameters for sample with multiple domains or spurious peaks. * Also for single crystal diffraction, IntegratePeaksSkew is better at determining background bins by minimising third-moment (skew). This is achieved by forcing skew > 0 (minimum skew we would expect in background). This change stops peak mask of IntegratePeaksSkew including too many pixels due to small diffuse scattering (seen in the figure above). * For powder diffraction, the algorithms AlignAndFocusPowder, AlignAndFocusPowderFromFiles, SNSPowderReduction and LoadEventAndCompress were updated to use logarithmic compression, which uses less memory. * For reflectometry, we added a new algorithm PolarizationEfficienciesWildes for calculating the efficiencies of the polarizing components of an instrument with two flippers. This algorithm implements the approach from the A. R. Wildes 2006 paper doi: 10.1080/10448630600668738<https://doi.org/10.1080/10448630600668738>. * For SANS, we added new algorithm PolarizerEfficiency for calculating the efficiency of a polariser. * For Inelastic, renamed tabs of QENS Fitting from MSD Fit, I(Q,t) Fit, ConvFit and F(Q) to MSD, I(Q,t), Convolution and Function(Q) respectively. * For Inelastic, the Elwin Tab of Data Processor Interface now includes access to the Slice Viewer or 3D Plot from the output plot widget of the output workspaces containing more than 1 histogram. * Again for Inelastic, QENS Fitting Interface now allows loading a _Result workspace from the I(Q, t) fitting tab into the Function (Q) fitting tab if one of the fit parameters is A0. * Finally, for developers, the Mantid developer environments are now created using a new mantid-developer Conda meta-package, hosted on our Conda channel. This change does not affect users but greatly simplifies our development process, as package dependencies are now automatically sorted on different operating systems. Please take a look at the release notes<https://docs.mantidproject.org/nightly/release/v6.11.0/index.html>, which are filled with details of all the changes and improvements in many other areas. The development team has put a great effort into making all of these improvements and we would like to thank all of our beta testers for their time and effort helping us to make this another reliable version. Thank you to everyone that has reported any issues to us and please keep on reporting any problems you have on our forum<https://forum.mantidproject.org/> or by email on mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org>. Kind regards, The Mantid Team Sarah Foxley Mantid Team Lead and Engineering Manager Science and Technology Facilities Council Phone - 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [stfc_logo]

8 months, 2 weeks

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Removing deprecated algorithms from Mantid v6.11

by Sarah Foxley - STFC UKRI

Dear all, We have several algorithms that have previously been marked as deprecated. We intend to remove these from Mantid in v6.11. Please can you update any scripts and workflows that use the following before October. * AddNote - https://docs.mantidproject.org/nightly/algorithms/AddNote-v1.html * AlignDetectors - https://docs.mantidproject.org/nightly/algorithms/AlignDetectors-v1.html * CheckWorkspacesMatch - https://docs.mantidproject.org/nightly/algorithms/CheckWorkspacesMatch-v1.h… * ConvertEmptyToTof - https://docs.mantidproject.org/nightly/algorithms/ConvertEmptyToTof-v1.html * FilterEventsByLogValuePreNexus v2 - https://docs.mantidproject.org/nightly/algorithms/FilterEventsByLogValuePre… * FindUBUsingMinMaxD - https://docs.mantidproject.org/nightly/algorithms/FindUBUsingMinMaxD-v1.html * RecordPythonScript - https://docs.mantidproject.org/nightly/algorithms/RecordPythonScript-v1.html * SaveDiffFittingAscii - https://docs.mantidproject.org/nightly/algorithms/SaveDiffFittingAscii-v1.h… If you have any queries/concerns about this please e-mail mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org> . Please circulate this to your networks. Many thanks Sarah Foxley Sarah Foxley Mantid Team Lead and Engineering Manager Science and Technology Facilities Council Phone - 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [stfc_logo]

11 months, 2 weeks

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Release of Mantid v6.10.0

by Sarah Foxley - STFC UKRI

Hello, We are proud to announce version 6.10.0 of Mantid. Installation packages can be found on our download page<https://download.mantidproject.org/> along with updated instructions for installing the latest release via Conda. You can also access the source code on the GitHub release page<https://github.com/mantidproject/mantid/releases/tag/v6.10.0>. This release includes a wide array of updates, bugfixes, and new features, which build on the functionality of Mantid. Highlights for this release include: * New algorithms to support Polarised SANS data reduction * A new algorithm, IntegratePeaks1DProfile, for integrating single-crystal Bragg peaks in a workspace with an x-unit TOF * A new option to find peaks using the ratio of variance/mean in FindSXPeaksConvolve * Improvements to the way Mantid handles event compression * New detector grouping options in the Indirect Diffraction Interface * A new way to easily load multiple files into Elwin Tab * Renaming of the Inelastic Data Analysis interface to Inelastic QENS Fitting Please take a look at the release notes<https://docs.mantidproject.org/nightly/release/v6.10.0/index.html>, which are filled with details of all the changes and improvements in many other areas. The development team has put a great effort into making all of these improvements and we would like to thank all of our beta testers for their time and effort helping us to make this another reliable version. Thank you to everyone that has reported any issues to us and please keep on reporting any problems you have on our forum<https://forum.mantidproject.org/> or by email on mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org>. Kind regards, The Mantid Team Sarah Foxley Mantid Team Lead and Engineering Manager Science and Technology Facilities Council Phone - 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [stfc_logo]

1 year

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Release of patch version 6.9.1 of Mantid

by Sarah Foxley - STFC UKRI

Hello, We are able to announce the availability of the patch version 6.9.1 of Mantid. Installation packages can be found on our download page<https://download.mantidproject.org/> along with updated instructions for installing the latest release via Conda. You can also access the source code on the GitHub release page<https://github.com/mantidproject/mantid/releases/tag/v6.9.1>. This patch release corrects some significant issues since version 6.9.0 was released in February. Specifically this patch release: * fixes a problem with workbench freezing when plotting from a workspace that is changing (e.g. plotting live data) * Improve stability of the ReflectometryReductionOneLiveData v1<https://docs.mantidproject.org/nightly/algorithms/ReflectometryReductionOne…> algorithm for OFFSPEC users * Adds sample log values to the live data workspace before the instrument is loaded in ReflectometryReductionOneLiveData v1<https://docs.mantidproject.org/nightly/algorithms/ReflectometryReductionOne…> to ensure log values are available when setting the detector positions. * Fixes a bug in the Elwin Tab of the Data Manipulation Interface where changing integration range with the sliders did not change default integration range. * Fixes a crash when using multiple Indirect or Inelastic Interfaces Please take a look at the release notes<https://docs.mantidproject.org/nightly/release/v6.9.1/index.html>, which are filled with details of all the changes and improvements. The development team has put a great effort into making all of these improvements . Thank you to everyone that has reported any issues to us and please keep on reporting any problems you have on our forum<https://forum.mantidproject.org/> or by email on mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org>. Kind regards, The Mantid Team Sarah Foxley Mantid Team Leader and Mantid Project Manager Science and Technology Facilities Council Phone - 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [stfc_logo]

1 year, 3 months

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Release of Mantid v6.9.0

by Sarah Foxley - STFC UKRI

Hello, We are proud to announce version 6.9.0 of Mantid. Installation packages can be found on our download page<https://download.mantidproject.org/> along with updated instructions for installing the latest release via Conda. You can also access the source code on the GitHub release page<https://github.com/mantidproject/mantid/releases/tag/v6.9.0>. This release includes a wide array of updates, bugfixes, and new features, which build on the functionality of Mantid. Highlights for this release include: * Significant improvement to the performance of LoadAscii algorithm * A new algorithm, IntegratePeaksShoeboxTOF, for integrating single-crystal Bragg peaks in a workspace using a shoebox * The ability to do 1D peak finding using FindPeaksConvolve * The ability to open the SliceViewer directly from Indirect and Inelastic Interfaces for output data Please take a look at the release notes<https://docs.mantidproject.org/nightly/release/v6.9.0/index.html>, which are filled with details of all the changes and improvements in many other areas. The development team has put a great effort into making all of these improvements and we would like to thank all of our beta testers for their time and effort helping us to make this another reliable version. Thank you to everyone that has reported any issues to us and please keep on reporting any problems you have on our forum<https://forum.mantidproject.org/> or by email on mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org>. Kind regards, The Mantid Team Sarah Foxley Mantid Team Leader and Mantid Project Manager Science and Technology Facilities Council Phone - 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [stfc_logo]

1 year, 4 months

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Release of Mantid v6.8.0

by Sarah Foxley - STFC UKRI

Hello, We are proud to announce version 6.8.0 of Mantid. Installation packages can be found on our download page<https://download.mantidproject.org/> along with updated instructions for installing the latest release via Conda. You can also access the source code on the GitHub release page<https://github.com/mantidproject/mantid/releases/tag/v6.8.0>. This release includes a wide array of updates, bugfixes, and new features, which build on the functionality of Mantid. Highlights for this release include: * Upgrading the Python version to 3.10 * Autoscaling options have been added to the SliceViewer * New algorithms BayesQuasi2 and BayesStretch2 based on the quickBayes package * New algorithm FindSXPeaksConvolve to find single-crystal Bragg peaks in instruments with RectangularDetectors * Algorithms SANSTubeCalibration and SANSTubeMerge have been added for calibrating the SANS2D instrument at ISIS Please take a look at the release notes<https://docs.mantidproject.org/nightly/release/v6.8.0/index.html>, which are filled with details of all the changes and improvements in many other areas. The development team has put a great effort into making all of these improvements and we would like to thank all of our beta testers for their time and effort helping us to make this another reliable version. Thank you to everyone that has reported any issues to us and please keep on reporting any problems you have on our forum<https://forum.mantidproject.org/> or by email on mantid-help(a)mantidproject.org<mailto:mantid-help@mantidproject.org>. Kind regards, The Mantid Team Sarah Foxley Scientific Software Engineer & Mantid Project Manager Science and Technology Facilities Council Phone - 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [stfc_logo]

1 year, 9 months

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Release of Mantid v6.7.0

by Sarah Foxley - STFC UKRI

Hello, We are proud to announce version 6.7.0 of Mantid. Installation packages can be found on our download page<https://download.mantidproject.org/>. You can also access the source code on the GitHub release page<https://github.com/mantidproject/mantid/releases/tag/v6.6.0>. This release includes a wide array of updates, bugfixes, and new features, which build on the functionality of Mantid. Notably there have been major changes to the code underlying event filtering. Further details can be found in the Framework release notes<https://docs.mantidproject.org/nightly/release/v6.7.0/framework.html>. Highlights for this release include: * Further refinements to the ALFView<https://docs.mantidproject.org/nightly/interfaces/direct/ALFView.html#alfvi…> interface * The peak overlay feature in Instrument Viewer<https://docs.mantidproject.org/nightly/workbench/instrumentviewer.html#inst…> now works in side-by-side view. There is also more flexibility to define how detector banks are arranged in the side-by-side view. * Major changes have been made to the treatment of temperature in the Abins<https://docs.mantidproject.org/nightly/algorithms/Abins-v1.html#algm-abins> and Abins2D<https://docs.mantidproject.org/nightly/algorithms/Abins2D-v1.html#algm-abin…> algorithms (see supporting documentation<https://docs.mantidproject.org/nightly/concepts/DynamicalStructureFactorFro…> for more details) * File browser performance issues on GTK-based linux environments has been fixed. Please take a look at the release notes<https://docs.mantidproject.org/nightly/release/v6.7.0/index.html>, which are filled with details of all the changes and improvements in many other areas. The development team has put a great effort into making all of these improvements and we would like to thank all of our beta testers for their time and effort helping us to make this another reliable version. Thank you to everyone that has reported any issues to us and please keep on reporting any problems you have on our forum<https://forum.mantidproject.org/> or by email on mantid-help(a)mantidproject.org<http://mantid-help@mantidproject.org>. Kind regards, The Mantid Team Sarah Foxley Scientific Software Engineer Science and Technology Facilities Council Phone - 01235 446938 sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org> She/Her/Hers [stfc_logo]

2 years

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Announcements