DevNotes_10Mar2026

General updates (roundtable)

• Generic Scattering Calculator redesign working group: Any updates? (Wojtek)
  • second meeting next Tuesday at 4PM CET
• Sasmodels working group (refactoring project and marketplace vs core etc) (Paul and Wojciech)
  • Notes from contributor camp breakout are now on the wiki
  • Organzing a working group to start addressing
• Neutron GRC (Barcelona, April) — registration deadline Mar 29, update (Yun)
  • Still looking for a poster?
  • 150 participants
  • Yun and Annika will do poster
• Technical meeting update (Jeff)
  • Refactoring project quarterly hackathons (Jeff)
    • RefactorHackathon‐2026‐1
      • Friday meeting at 10AM planning meeting
      • March 16 and 17 for work
    • ESS is exploring AI tools for fitting
    • New potential ADRS were Discussed but not yet proposed officially
• SASBDB integration project (Wojtek)
  • coming to an end will have demo next week
• Model parameter sliders
  • Brian Pauw app (Brian)
  • Stefan Hricov PR

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Next contributor camp

• Requirement at https://github.com/SasView/sasview/wiki/CodeCampPlanning
• Possible Venues: Soleil, Prague, ILL
  • Soleil - 2027 or beyond - Not available for 2026
    • We will need to start organizing before summer for 2027
  • ILL and Charles University offer Prague for 2026 (Dominika/Ursula/Stefan)
    • Target dates are last week of October or First week of November.
    • Paul B. and Dominika to discuss finalizing.
• Discussion

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Releases

• 6.1.3:

  • 6.1.3rc1 is out (Feb 18, 2026); PLEASE TEST; nightly builds ongoing
  • What’s left for 6.1.3 final:
    • Pull requests: https://github.com/SasView/sasview/pulls?q=is%3Apr+is%3Aopen+label%3A%22SasView+6.1.3%22
      • We will NOT include the final pull request as it still has no reviews. It is too late
    • Issues: https://github.com/SasView/sasview/issues?q=is%3Aissue%20state%3Aopen%20label%3A%22SasView%206.1.3%22
    • Master issue tracker: https://github.com/SasView/sasview/issues/3882
  • Target release date:
    • Final release: March 11

• 6.2.0:

  • Proposed release date: ~June 2026
    • This release has a lot in it. We therefore need to move soon on preparing for it.
  • Release manager - Sujaya
    • Paul S. will be backup if timelines slip etc

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ADRs

NOTHING TO DISCUSS TODAY

• Sent for review (more work desired):
  • Ruff and Linting - https://github.com/orgs/SasView/discussions/3171#discussioncomment-15497631
• Discuss:
  • Define release process and release manager role

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Pull requests

SasView/sasview (17 open PRs)

https://github.com/SasView/sasview/pulls

Merge candidates (approved review: 1)

• #3786 — Support for SAXS fitting (v2)

Changes requested (3)

• #3790 — Slider option for parameters
• #3842 — Add Pixi config file + setup automated versioning
• #3832 — Angularly replicated “symmetric” slicers (ready to merge?)

Needs review - in Discussion (5)

• #3888 - Improves and adds tests for Invariant Perspective UI
• #3881 - Inversion code clean up
• #3866 - Duplicated CI job runs on pull requests
• #3863 — Use GuiUtils.communicate wherever possible (ready to merge?)
• #3847 — Remove QtWebEngine; use system browser

Needs reviewers (2)

• #3871 - https://github.com/SasView/sasview/pull/3871 (VERSION 6.1.3 FLAGGED!)
• #3870 - fitting report improvements (fixes several tickets)

DRAFTS (6)

• #2782 — Interpolation for operations (long-running)
• #2315 — Auto-plot data sent to fitting (long-running)
• #3761 — Keep tabbed plotter inside main window
• #3111 — Plotting refactor integration
• #3006 — Refactoring Branch
• #2940 — Plotting refactor

SasView/sasmodels (8 open PRs)

https://github.com/SasView/sasmodels/pulls

Needs review - in Discussion (5)

• #694 — Pure python truncated octahedron
• #689 — Model for a mixture of two homopolymers (RPA case 0) (Draft; approved)
• #665 — Send data mask from theory calculator into plotter (Draft; approved)
• #658 — Simple adaptive integration
• #608 — Better integration

Needs reviewers (1)

• #699 — Nanoprisms Model

DRAFTS (2)

• #536 — Oriented SESANS transform (Draft; changes requested)
• #449 — WIP: spelling fixes in two_power_law (Draft; changes requested)

SasView/sasdata (7 open PRs)

https://github.com/SasView/sasdata/pulls

Merge Candidates

• #47 — Finishing the manipulations.py rewrite (**Still in Discussion? **)

Needs review - in Discussion (1)

• 190 - unrecognized units (Again) (ready to merge?)

DRAFTS (5)

• #101 — 48 fractional binning (Draft)
• #79 — Refactoring Branch (Draft)
• #62 — Interpolations for data operations (Draft)
• #156 — Work on the SasData object definition (Draft)
• #106 — Sasview database (Draft) - Jeff to get merged into refactor branch

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Help desk staffing

https://github.com/SasView/sasview/wiki/DevNotes_HelpDesk

• Covered through June (need summer coverage)

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AOB