Issues

• Fix incorrect and missing tin isotope abundances in the pin-cell notebooks

  bugsdocumentation
  Bug

  idaholab/MontePy#1012 · Filter by author Sardor-tracker opened on Oct 6, 2026
  3

• Add support for MCNP 6.3.2

  good first prompt 🤖MCNP Manual
  Task

  idaholab/MontePy#1010 · Filter by author tjlaboss opened on Aug 24, 2026
  2

• Load partial inputs

  feature requestread file=...
  Feature

  idaholab/MontePy#999 · Filter by author tjlaboss opened on Jul 29, 2026
  4

• Easily Replace Materials

  feature request
  Feature

  idaholab/MontePy#998 · Filter by author tjlaboss opened on Jul 29, 2026
  2

• Add Ability to add a balance material component

  feature request
  Feature

  idaholab/MontePy#997 · Filter by author MicahGale opened on Jul 29, 2026

• 'black' target version warning

  CI/CD
  idaholab/MontePy#993 · Filter by author tjlaboss opened on Jul 27, 2026
  1

• Fix Coveralls CI

  CI/CD
  Task

  idaholab/MontePy#989 · Filter by author MicahGale opened on Jul 16, 2026

• Implement a search by comment function

  feature request
  Feature

  idaholab/MontePy#982 · Filter by author MicahGale opened on Jul 7, 2026
  1

  

• Add build attestation to CI release workflow

  CI/CDcode improvement
  Task

  idaholab/MontePy#971 · Filter by author MicahGale opened on Jun 17, 2026

• Adopt SPEC 8: Release control

  CI/CD
  Task

  idaholab/MontePy#959 · Filter by author MicahGale opened on May 28, 2026

• Add Accessibility audit to documentation CI.

  CI/CDdocumentationgood first prompt 🤖
  Task

  idaholab/MontePy#958 · Filter by author MicahGale opened on May 28, 2026
  1

• doc-build fails with warning

  CI/CDcode improvement
  Bug

  idaholab/MontePy#953 · Filter by author tjlaboss opened on May 8, 2026
  5

  

• Implement HalfSpace.mcnp_str() and HalfSpace.format_for_mcnp_input()

  feature requestgood first issue
  Feature

  idaholab/MontePy#942 · Filter by author tjlaboss opened on Apr 2, 2026
  2

• Migrate to Sphinx 9

  documentationgood first prompt 🤖
  Task

  idaholab/MontePy#939 · Filter by author MicahGale opened on Mar 29, 2026

• Make black CI job just commit changes

  CI/CDgood first prompt 🤖
  Task

  idaholab/MontePy#927 · Filter by author MicahGale opened on Mar 10, 2026

• Easily add comments to objects

  feature request
  Feature

  idaholab/MontePy#900 · Filter by author tjlaboss opened on Feb 19, 2026
  5

• Reconsider Surface.find_duplicate_surfaces()

  code improvement
  Feature

  idaholab/MontePy#878 · Filter by author tjlaboss opened on Jan 13, 2026
  1

• Split CellModifiers into cell block and data block versions

  code improvement
  Task

  idaholab/MontePy#870 · Filter by author MicahGale opened on Dec 27, 2025

• Create Compiled Build Procedure

  CI/CDcode improvementdependenciesperformance 🐌
  Task

  idaholab/MontePy#860 · Filter by author MicahGale opened on Dec 4, 2025 · Performance

• Implement Static Typing Testing

  CI/CDcode improvement
  Task

  idaholab/MontePy#859 · Filter by author MicahGale opened on Dec 3, 2025
  1

  

• MontePy cannot handle "read file" with only comments

  bugslow priorityparsers are hardread file=...
  Bug

  idaholab/MontePy#854 · Filter by author tjlaboss opened on Nov 21, 2025
  4

• Find all Input types that are hard to parse

  code improvementdocumentationparsers are hard
  Task

  idaholab/MontePy#853 · Filter by author MicahGale opened on Nov 12, 2025
  2

• Make a web based utility

  documentation
  Task

  idaholab/MontePy#848 · Filter by author MicahGale opened on Nov 4, 2025

• Demonstrate how to replicate MCNP-Go

  documentation
  Task

  idaholab/MontePy#847 · Filter by author MicahGale opened on Nov 4, 2025

• Maximum recursion depth exceeded while pickling an object

  bugs
  Bug

  idaholab/MontePy#821 · Filter by author tjlaboss opened on Oct 9, 2025
  12