Issues

• PMOS channel-length modulation has the wrong sign: (1 + lambda*V_DS) with V_DS ≤ 0

  SciML/ModelingToolkitStandardLibrary.jl#532 · Filter by author ChrisRackauckas-Claude opened on Oct 16, 2026

• EddyCurrent: rho, l and A have no effect, R = rho*l/A is evaluated once at construction

  bug
  SciML/ModelingToolkitStandardLibrary.jl#529 · Filter by author EthanJamesLew opened on Oct 9, 2026
  1

• NPN/PNP: emission coefficients NF/NR are used in the diffusion capacitances but not in the transport currents

  bug
  SciML/ModelingToolkitStandardLibrary.jl#527 · Filter by author EthanJamesLew opened on Oct 8, 2026
  2

• PMOS drain–source leakage R_DS has the wrong sign: an OFF PMOS is a negative resistor

  bug
  SciML/ModelingToolkitStandardLibrary.jl#521 · Filter by author EthanJamesLew opened on Oct 4, 2026
  1

• Hydraulic gas_pressure omits the reference-density offset, breaking roundtrips and the pressure join

  bug
  SciML/ModelingToolkitStandardLibrary.jl#518 · Filter by author EthanJamesLew opened on Oct 2, 2026
  1

• FirstOrder(lowpass=false): documented transfer function differs from implementation for k != 1

  bug
  SciML/ModelingToolkitStandardLibrary.jl#515 · Filter by author EthanJamesLew opened on Sep 17, 2026

• QA: make implicit imports explicit (ExplicitImports no_implicit_imports)

  SciML/ModelingToolkitStandardLibrary.jl#467 · Filter by author ChrisRackauckas-Claude opened on Jun 25, 2026

• Test suite red on master (latest MTK/SymbolicUtils): _clamp import + ExtraVariablesSystemException + fntype_X_Y; blocks downgrade re-enable

  SciML/ModelingToolkitStandardLibrary.jl#457 · Filter by author ChrisRackauckas-Claude opened on Jun 6, 2026

• It would be nice to have ModelingToolkitStandardLibrary.Blocks.RealOutput() with variable y instead of u. Can we?

  question
  SciML/ModelingToolkitStandardLibrary.jl#441 · Filter by author pandeysudan1 opened on Feb 11, 2026
  1

• Why don't many (all?) of the standard library blocks create events for discrete changes in behavior?

  question
  SciML/ModelingToolkitStandardLibrary.jl#432 · Filter by author Nick-Hemenway opened on Jan 9, 2026
  1

• Version bump to 2.27.0 needed

  SciML/ModelingToolkitStandardLibrary.jl#427 · Filter by author ChrisRackauckas-Claude opened on Jan 2, 2026
  1

• IsothermalCompressible.Pipe conflicts with Base.Pipe

  bug
  SciML/ModelingToolkitStandardLibrary.jl#415 · Filter by author martincornejo opened on Nov 22, 2025

• UndefRefError() when using ParametrizedInterpolation inside of @mtkmodel

  bug
  SciML/ModelingToolkitStandardLibrary.jl#409 · Filter by author cstjean opened on Sep 9, 2025
  2

• Tests on master seem to fail

  SciML/ModelingToolkitStandardLibrary.jl#408 · Filter by author ValentinKaisermayer opened on Sep 3, 2025
  

• Convergence Issues with Controllable Switch and Square Wave using MTK - iflifting

  question
  SciML/ModelingToolkitStandardLibrary.jl#406 · Filter by author junmorenodi99 opened on Aug 3, 2025

• Cleanup documentation

  bug
  SciML/ModelingToolkitStandardLibrary.jl#399 · Filter by author langestefan opened on Jul 25, 2025
  4

• Time-derivative of ParameterizedInterpolation

  bug
  SciML/ModelingToolkitStandardLibrary.jl#397 · Filter by author jqfeld opened on Jun 13, 2025

• SlewRateLimiter unexpected behaviour

  bug
  SciML/ModelingToolkitStandardLibrary.jl#390 · Filter by author JavierJJR opened on May 5, 2025

• Thermal sensors need outputs

  SciML/ModelingToolkitStandardLibrary.jl#384 · Filter by author jbatteh opened on Apr 16, 2025
  1

• Interpolations component cannot be used within @mtkmodel macro

  bug
  SciML/ModelingToolkitStandardLibrary.jl#340 · Filter by author rbborges opened on Nov 8, 2024
  11

  

• FlowDivider missing equation?

  question
  SciML/ModelingToolkitStandardLibrary.jl#326 · Filter by author roman-timo opened on Sep 7, 2024

• Open port vs HydraulicPort

  question
  SciML/ModelingToolkitStandardLibrary.jl#322 · Filter by author roman-timo opened on Aug 28, 2024
  

• Several components specify defaults instead of guesses

  bug
  SciML/ModelingToolkitStandardLibrary.jl#282 · Filter by author avinashresearch1 opened on Apr 11, 2024
  4

• How to model ADC/DAC

  SciML/ModelingToolkitStandardLibrary.jl#279 · Filter by author jankap opened on Mar 27, 2024
  1

• SampledData no longer allows a tunable buffer

  SciML/ModelingToolkitStandardLibrary.jl#272 · Filter by author AayushSabharwal opened on Feb 22, 2024