Issues

• Strings are spec'd as ASCII only — barrier for non-English subject metadata; proposal: explicitly allow UTF-8

  fNIRS/snirf#189 · Filter by author hasibagen opened on Oct 9, 2026

• [Suggestion] Supporting SCOS data in the SNIRF format

  enhancement
  fNIRS/snirf#187 · Filter by author nipat298 opened on Aug 25, 2026

• [Meta] Add all missed changes since last release and create issues in pysnirf2

  fNIRS/snirf#183 · Filter by author HanBnrd opened on Jul 16, 2026
  

• [Suggestion] sourceLabels as 1D array

  enhancement
  fNIRS/snirf#182 · Filter by author HanBnrd opened on Jul 12, 2026
  5

• [Suggestion] SNIRF specification schema with Pydantic

  enhancement
  fNIRS/snirf#180 · Filter by author HanBnrd opened on Jul 8, 2026
  2

  

• [Meta] Steering Committee and Maintainers meeting summary

  Task

  fNIRS/snirf#179 · Filter by author HanBnrd opened on Jul 8, 2026
  1

  

• [Suggestion] How Should wavelengthIndex Be Defined for Multi-Wavelength Processed Data?

  enhancement
  fNIRS/snirf#174 · Filter by author sreekanthkura7 opened on Jan 12, 2026

• [Suggestion] Be explicit about support for linking

  enhancement
  fNIRS/snirf#173 · Filter by author kdarti opened on Dec 11, 2025
  4

• [Question] Storing g2 data in dataTimeSeries as a 3D array.

  question
  fNIRS/snirf#172 · Filter by author nipat298 opened on Oct 22, 2025

• [Suggestion] Necessity for a conditional requirement symbol beyond parent object

  enhancement
  fNIRS/snirf#169 · Filter by author HanBnrd opened on Mar 14, 2025

• [Inconsistency] No 2D or 3D consistency required in the sourcePos-detectorPos pair specifications

  fNIRS/snirf#168 · Filter by author HanBnrd opened on Mar 14, 2025
  2

• [Inconsistency] Definition of time when <number of time points> = 2

  help wanted
  fNIRS/snirf#164 · Filter by author Edouard2laire opened on Dec 9, 2024
  2

• [Suggestion] Making CoordinateSystem mandatory if Pos3D is present

  enhancement
  fNIRS/snirf#163 · Filter by author Edouard2laire opened on Dec 9, 2024
  15

  

• [Suggestion] Increased compatability for mutliple AUX data channels to be stored in a single AUX block

  enhancement
  fNIRS/snirf#158 · Filter by author DamianNeurode opened on Sep 19, 2024
  3

• [Suggestion] Make detector- and sourceindex to array (needed for SRS & StO2)

  enhancement
  fNIRS/snirf#157 · Filter by author Horschig opened on Sep 16, 2024

• Create a comprehensive set of example data

  enhancement
  fNIRS/snirf#156 · Filter by author rob-luke opened on Sep 13, 2024
  3

• Multiplex configuration description for enahnced data processing

  fNIRS/snirf#141 · Filter by author samuelpowell opened on Apr 19, 2024
  2

• Default value for not used entries

  fNIRS/snirf#119 · Filter by author MichaelUM opened on Jul 11, 2022
  6

  

• /nirs(i)/stim(j)/data does not use TimeUnit

  breakingv2.0
  fNIRS/snirf#111 · Filter by author rob-luke opened on Apr 27, 2022
  2

• Consider removing support for multiple /nirs{i} blocks: for many applications, a SNIRF file should only contain one acquisition from a single subject

  wontfix
  fNIRS/snirf#88 · Filter by author sstucker opened on Sep 29, 2021
  11