Issues

• Two jump tests solve a different problem than the one they build

  SciML/Catalyst.jl#1571 · Filter by author isaacsas opened on Oct 11, 2026

• Restore actionable QA coverage for Catalyst

  SciML/Catalyst.jl#1569 · Filter by author ChrisRackauckas-Claude opened on Oct 2, 2026

• Extension test environment setup writes read-only installed Project.toml on Julia 1.13

  SciML/Catalyst.jl#1561 · Filter by author ChrisRackauckas-Claude opened on Sep 13, 2026
  1

• CI: Tests (1, QA) kills the runner — JET 0.11 report_package peaks at 22 GB RSS on Julia 1.12

  SciML/Catalyst.jl#1527 · Filter by author ChrisRackauckas-Claude opened on Aug 1, 2026
  7

• Master ReleaseTest (SciMLBase/MTK): Symbolic Stoichiometry UndefKeywordError parent_sys

  SciML/Catalyst.jl#1524 · Filter by author ChrisRackauckas-Claude opened on Jul 23, 2026

• Runic 1.7.0 reports 74 unformatted files on master

  SciML/Catalyst.jl#1518 · Filter by author ChrisRackauckas-Claude opened on Jul 21, 2026

• Re-enable the downgrade workflow

  SciML/Catalyst.jl#1517 · Filter by author ChrisRackauckas-Claude opened on Jul 21, 2026

• QA: track pre-existing Aqua/ExplicitImports findings marked @test_broken in test/qa

  SciML/Catalyst.jl#1496 · Filter by author ChrisRackauckas-Claude opened on Jun 25, 2026

• Algebraic equations/observables with HybridProblems

  bug
  SciML/Catalyst.jl#1493 · Filter by author kaandocal opened on Jun 22, 2026
  9

• Using Tau-leaping

  bug
  SciML/Catalyst.jl#1465 · Filter by author augustinas1 opened on Apr 23, 2026
  4

• microscopic ratelaw-based CLE

  SciML/Catalyst.jl#1435 · Filter by author isaacsas opened on Mar 5, 2026

• Tracking: Missing tutorials / documentation for v16

  SciML/Catalyst.jl#1433 · Filter by author isaacsas opened on Mar 5, 2026
  3

• Support for continuous spatial models

  question
  SciML/Catalyst.jl#1424 · Filter by author Homo-carbonis opened on Feb 23, 2026
  6

• Tracking: @test_broken tests audit and status

  SciML/Catalyst.jl#1407 · Filter by author isaacsas opened on Feb 10, 2026
  1

• Expand unit checking

  enhancementgood first issuehelp wanted
  SciML/Catalyst.jl#1400 · Filter by author isaacsas opened on Feb 9, 2026

• Invalidation of nameof

  SciML/Catalyst.jl#1399 · Filter by author oxinabox opened on Feb 9, 2026
  6

• [Post V16] Add more hybrid correctness tests for complicated systems

  good first issuepost_v16
  SciML/Catalyst.jl#1373 · Filter by author isaacsas opened on Feb 4, 2026

• complete swaps order of metadata in ReactionSystems

  bug
  SciML/Catalyst.jl#1353 · Filter by author TorkelE opened on Jan 16, 2026
  3

• On v16 version: Latexify.@generate_test latexify(rs) fails

  bug
  SciML/Catalyst.jl#1352 · Filter by author TorkelE opened on Jan 15, 2026

• Catalyst with units

  question
  SciML/Catalyst.jl#1341 · Filter by author vchuravy opened on Nov 21, 2025
  9

• Trouble with interacting components

  question
  SciML/Catalyst.jl#1336 · Filter by author kaandocal opened on Nov 9, 2025
  4

• Imperative events in the DSL

  SciML/Catalyst.jl#1335 · Filter by author kaandocal opened on Nov 9, 2025
  8

• ODEProblem creation is incorrect with NoSpecialize option.

  bug
  SciML/Catalyst.jl#1334 · Filter by author ctessum opened on Nov 7, 2025
  1

• LoadError: AssertionError: @parameters expects a tuple of expressions or an expression of a tuple

  bug
  SciML/Catalyst.jl#1331 · Filter by author kraqbi opened on Nov 5, 2025
  2

• Diffusion equation modelling

  question
  SciML/Catalyst.jl#1323 · Filter by author jtravs opened on Sep 16, 2025
  4