DevNotes_21Aug2026_Technical

To Discuss

• Future technical meetings - Rotating lead?
• Next Refactor Hackathon
  • https://github.com/SasView/sasview/wiki/RefactorHackathon%E2%80%902026%E2%80%90III
  • Dates set for Sept. 16-18 - Jeff to update wiki
  • James proposal for a Project Board with more specific work packages
    • Finish data explorer -> Plotting -> Perspectives (MuMag, then Invariant, with Fitting last (most difficult))
    • Project boards for each section and each perspective
    • Hope to be in a state to work on Perspectives during contributor camp* (depends on James' availability)
    • Issue that need to be decided on during the hackathon
  • SAND perspective presentation at next technical meeting - would be good to have refactor contributors at the meeting
  • James to also demo his trend work at next technical meeting to compare where we are to where we want to go
• Planning for Contributor Camp
  • Register and get travel approval!
  • Discussion on presentations, projects, and collaborations
    • What will be taught and what will be worked on depends on who attends!
    • Introductory presentations at the start (to orient new contributors) - many people need presentations for travel purposes
      • James: The refactor status to-date
    • Expected projects to be worked on
      • GSC based on discussions
      • Refactoring Project
      • Sasmodels refactor/rework
      • Magnetic SANS(?)
      • MCR-ALS project
      • Automating Releases
    • Poster Theme: SasView AI usage in your research
• Agentic AI Usage
  • Who is using it, what tools, and how? Posters!
  • How are users using AI, and how would they like to use it in the context of SasView?
  • Context files in repo discussion
  • Planning a discussion on AI usage and future work for the contributor camp

Next bug fix release

• 6.2.0 is released, including Flatpak
  • Conda forge build issue: https://github.com/conda-forge/sasview-feedstock/pull/56
    • pyausaxs: No conda build and pip wheel has issues on Intel Macs - James and Marie to work with Christian - Status?
• 6.2.1
  • Release date: Before contributor camp - mid to late October
  • Master issue tracker: https://github.com/SasView/sasview/issues/4084
  • Potential PRs to include:
    • Composite model failures: SasView #4082 and SasModels #749
    • Old What's New cards: SasView #4046
    • Fix fit_started flag: SasView #4067
    • Magnetic model calculations always run: SasView #4072
  • Sasmodels:
    • Fractal S(Q) accuracy: SasModels #722
    • np.trapz -> np.trapezoid: SasModels #750
      • Check SasView (especially invariant and P(r)) for usage)
    • Multiplicity parameter use in shim: SasModels #751
    • Include new torus elliptical shell model (already merged)

Status updates of ongoing projects

• MCR-ALS Project
• COSMiCs Integration
  • Small issue deploying on pypi - Jeff to help if needed
• SASBDB Project:
  • One PR ready for review: SasView #3913
• James' project(s)
  • Trend integration and data explorer - PR early September
  • Once trend work is finished, MuMag integration

Outstanding PRs

• SasView (25 open, 11 ready for review)
  • Ready to merge?
    • Pytest from base directory: #3974
    • Magnetic model calculations always run: #4072
  • Under review:
    • Undo project: #3995 - Jeff to revisit
  • More work to do:
    • Cancel concurrent nightly builds: #3947
    • Pixi configuration: #3842
    • Online doc location: #3926 vs. #3943 - WHICH ONE SHOULD WE USE?
      • Use #3926 as the base, move the sas.system.web changes from #3943 into that PR and put up for review
  • In draft PRs - who needs help?
• SasModels (13 open, 9 ready for review)
  • Ready to merge?
    • Unused step warning: #737
    • Composite Model Name: #749
• SasData (4 open, 2 ready for review)
  • Refactor Trend: #216 - Jeff K. reviewing
• SasView.github.io (2 open, 1 ready for review)
  • Update Acknowledgement Section on Website: #37
• Saspubs (1 open, ready for review)
  • Acknowledgement template: #11

ADRs and other Discussion

• Discussions to bring up:
  • SasModels scripting question: https://github.com/orgs/SasView/discussions/3540 - Close?
  • Sourceforge: https://github.com/orgs/SasView/discussions/2344 - Close Sourceforge and the discussion?

AOB?