Announcements February 2025

announcements@mantidproject.org

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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]

9 months, 3 weeks

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]

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Announcements February 2025