Issues

• Loading a large model leaves about 0.7 GB of freed heap of its compilation in the process

  sys-bio/roadrunner#1438 · Filter by author matthiaskoenig opened on Nov 8, 2026

• Process crashes (stack overflow) on SBML with deeply nested MathML, instead of throwing

  sys-bio/roadrunner#1437 · Filter by author luciansmith opened on Nov 6, 2026

• Load time grows exponentially with the depth of chains of initial assignments

  sys-bio/roadrunner#1436 · Filter by author matthiaskoenig opened on Nov 6, 2026
  1

• ImportRoadrunnerAndDependencies.cmake cannot be used by a consuming C++ project on Linux

  sys-bio/roadrunner#1431 · Filter by author matthiaskoenig opened on Nov 5, 2026
  2

• simulate(times=...) integrates to tout + (next - tout), one ulp off next: the row at the time of an event depends on the output time before it

  sys-bio/roadrunner#1430 · Filter by author matthiaskoenig opened on Nov 4, 2026

• An event whose trigger is true only within one step of CVODE is not fired: the root functions of the events are the boolean values of the triggers

  sys-bio/roadrunner#1429 · Filter by author matthiaskoenig opened on Nov 4, 2026

• Euler integrator does not advance the time between its subdivision steps

  sys-bio/roadrunner#1427 · Filter by author matthiaskoenig opened on Nov 4, 2026

• Loading a model with LOADSBMLOPTIONS_READ_ONLY crashes with a segmentation fault

  sys-bio/roadrunner#1426 · Filter by author matthiaskoenig opened on Nov 4, 2026

• Type annotations for python API and type checking with ty

  sys-bio/roadrunner#1422 · Filter by author matthiaskoenig opened on Nov 4, 2026
  

• LLJit reuses the compiled object of a model in a process despite LOADSBMLOPTIONS_RECOMPILE and a changed optimization level

  bug
  sys-bio/roadrunner#1420 · Filter by author matthiaskoenig opened on Nov 3, 2026
  2

• MCJit is still the default JIT: #1215 changed the configuration file key map instead of the default, which also breaks three keys of the configuration file

  bug
  sys-bio/roadrunner#1419 · Filter by author matthiaskoenig opened on Nov 3, 2026
  2

• ModelEditingTests and StateSavingTests fail under ctest -j because they share one output directory

  sys-bio/roadrunner#1417 · Filter by author matthiaskoenig opened on Nov 3, 2026

• python_tests_RunStochasticTestSuite finds the stochastic test suite only at fixed relative paths

  sys-bio/roadrunner#1416 · Filter by author matthiaskoenig opened on Nov 3, 2026

• Python: a model id named like a RoadRunner method (e.g. reset) replaces that method for every instance and removes it for the rest of the process

  sys-bio/roadrunner#1415 · Filter by author matthiaskoenig opened on Nov 3, 2026

• Analytic Jacobian of the model for CVODE, the steady-state solvers and getFullJacobian

  sys-bio/roadrunner#1412 · Filter by author matthiaskoenig opened on Nov 2, 2026
  4

• Expose the CVODE counters of a simulation in Python for profiling

  sys-bio/roadrunner#1411 · Filter by author matthiaskoenig opened on Nov 2, 2026

• Consider updating CLAPACK

  sys-bio/roadrunner#1410 · Filter by author luciansmith opened on Nov 2, 2026
  1

• Sparse linear solver (KLU) and a sparse Jacobian for CVODE

  sys-bio/roadrunner#1409 · Filter by author matthiaskoenig opened on Nov 2, 2026
  1

• The Python 3.15 wheel of 2.11.0 fails to import on a CPython without the experimental JIT: undefined symbol __jit_debug_register_code

  sys-bio/roadrunner#1406 · Filter by author matthiaskoenig opened on Nov 2, 2026

• Source build fails: Roadrunner requires SUNDIALS ≥7.8.0 but the dependency bundle provides an older version

  sys-bio/roadrunner#1403 · Filter by author ARDATI-Rami opened on Oct 30, 2026
  6

• Julia bindings for roadrunner releases

  sys-bio/roadrunner#1392 · Filter by author matthiaskoenig opened on Oct 24, 2026

• Upgrade LLVM

  Redesign
  sys-bio/roadrunner#1370 · Filter by author luciansmith opened on Oct 16, 2026
  3

• There is no C API to get the number of assignment rules and their ids and types

  Quick Fix
  Feature

  sys-bio/roadrunner#1332 · Filter by author hsauro opened on Jun 18, 2026

• Python API has no getScaledElasticityIds() and getUnscaledElasticityIds()

  Quick Fix
  Feature

  sys-bio/roadrunner#1331 · Filter by author hsauro opened on Jun 18, 2026

• Allow setting absolute tolerance as vector-like things, not just list.

  sys-bio/roadrunner#1301 · Filter by author luciansmith opened on Dec 8, 2025