Issues

• LoKI: calibrate positions along straws with the slit mask

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

• Merge raw NeXus files of compatible runs into one file

  essreduce
  scipp/ess#836 · Filter by author SimonHeybrock opened on Oct 27, 2026
  4

  

• Run files copy shared motion steps per component; the copies can disagree (discuss with file producers)

  scipp/ess#833 · Filter by author SimonHeybrock opened on Oct 26, 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
  

• [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
  3

• [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

• [essreduce] Add a parameter in unwrap workflow to decide whether to raise or publish blank table if chopper is unusable

  essreduce
  scipp/ess#758 · Filter by author nvaytet opened on Sep 23, 2026
  

• change essnmx package name to esslauetof

  scipp/ess#754 · Filter by author aaronfinke opened on Sep 17, 2026

• essreduce: event monitors cannot be converted to wavelength when pulse skipping

  bugessreduce
  scipp/ess#750 · Filter by author SimonHeybrock opened on Sep 15, 2026

• Beam-center finder from I(Q) stops before converging

  esssans
  scipp/ess#749 · Filter by author SimonHeybrock opened on Sep 14, 2026

• Tracking: migrate from sciline map/reduce to stages and aggregations (sciline ADR 0003)

  scipp/ess#746 · Filter by author SimonHeybrock opened on Sep 11, 2026