Issues

• ODIN run files: WFM disc translation applies the full separation readback to each disc (discuss with file producers)

  scipp/ess#856 · Filter by author SimonHeybrock opened on Nov 4, 2026

• [FREIA] Add inversion mode

  essreflectometry
  scipp/ess#852 · Filter by author jokasimr opened on Nov 3, 2026
  

• [essdiffraction] DREAM high_flux_BC215: unmasked frame overlap in analytical wavelength LUT

  scipp/ess#851 · Filter by author SimonHeybrock opened on Nov 3, 2026

• [esssans] Validate LoKI analytical LUT source window with real chopper settings

  scipp/ess#850 · Filter by author SimonHeybrock opened on Nov 3, 2026

• [ESSSANS] LoKI beam-stop mask: NeXus information needed

  esssans
  scipp/ess#847 · Filter by author SimonHeybrock opened on Nov 3, 2026
  

• TransformationTimeFilter functions should take a start and (optional) end argument.

  enhancementessreduce
  scipp/ess#844 · Filter by author jokasimr opened on Nov 2, 2026
  

• Freia: use chopper settings from mcstas to make wavelength LUTs

  essreflectometry
  scipp/ess#841 · Filter by author nvaytet opened on Oct 29, 2026

• LoKI: calibrate positions along straws with the slit mask

  enhancementesssans
  scipp/ess#838 · Filter by author SimonHeybrock opened on Oct 27, 2026

• [ESSSPECTROSCOPY] BifrostWorkflow fails on event-mode normalization monitor

  scipp/ess#832 · Filter by author SimonHeybrock opened on Oct 26, 2026

• [ESSSPECTROSCOPY] BifrostWorkflow has no provider for ProtonCharge

  scipp/ess#831 · Filter by author SimonHeybrock opened on Oct 26, 2026

• [ESSSPECTROSCOPY] BIFROST: derive SampleAngle (a3) from the sample transformation chain

  scipp/ess#829 · Filter by author SimonHeybrock opened on Oct 26, 2026
  1

  

• [ESSREDUCE] Mapping over components duplicates their shared transformation trunk

  scipp/ess#828 · Filter by author SimonHeybrock opened on Oct 26, 2026
  

• Loki straw view

  scipp/ess#818 · Filter by author SimonHeybrock opened on Oct 22, 2026
  

• [ESSREFLECTOMETRY] Time dependent incident beam

  Feature

  scipp/ess#815 · Filter by author jokasimr opened on Oct 22, 2026
  

• Analytic chopper acceptance: include the beam's width on the disc (perhaps via chopcal)

  scipp/ess#804 · Filter by author g5t opened on Oct 15, 2026
  2

• Analytic chopper timing: use the experiment and pulse delays, not the total delay

  scipp/ess#803 · Filter by author g5t opened on Oct 15, 2026
  3

• [esssans] Better interface for defining wavelength bins and bands

  esssans
  scipp/ess#779 · Filter by author nvaytet opened on Oct 5, 2026

• [ESSSpectroscopy] MIRACLES: Implement loader for McStas 'NeXus' files

  essspectroscopy
  Feature

  scipp/ess#775 · Filter by author jl-wynen opened on Oct 1, 2026
  

• [essnmx] essmandi-reduce does not write goniometer values

  scipp/ess#771 · Filter by author aaronfinke opened on Sep 28, 2026

• [essreduce] Analytical wavelength LUT: flat source window biases mean wavelength and spread

  bugessreduceesssans
  scipp/ess#770 · Filter by author SimonHeybrock opened on Sep 28, 2026
  4

  

• [essnmx] essmandi-reduce writes entry/instrument/name = "NMX" for MANDI data

  scipp/ess#768 · Filter by author aaronfinke opened on Sep 26, 2026

• [ESSSANS] Masking (Loki, partially Skadi)

  scipp/ess#767 · Filter by author SimonHeybrock opened on Sep 25, 2026
  1

  

• ess.dream: mantle DETECTOR_BANK_SIZES has counter and strip swapped

  scipp/ess#765 · Filter by author SimonHeybrock opened on Sep 25, 2026

• [ESSSANS] Q resolution per Q bin, compatible with merging LoKI banks

  enhancementesssans
  scipp/ess#763 · Filter by author SimonHeybrock opened on Sep 24, 2026
  1

  

• [essnmx] Fix typo in NXLauetof application definition

  essnmxgood first issue
  scipp/ess#760 · Filter by author YooSunYoung opened on Sep 23, 2026
  1