Issues

• Deferred: evaluate Rust/PyO3 implementation of IR normalization passes

  ACCIDDA/op_system#329 · Filter by author jc-macdonald opened on Oct 21, 2026

• Benchmark-gated optional Numba lowering for NumPy evaluation

  ACCIDDA/op_system#327 · Filter by author jc-macdonald opened on Oct 21, 2026

• Expose checked dependency and derivative structure for numerical consumers

  architectureenhancementperformance
  ACCIDDA/op_system#296 · Filter by author jc-macdonald opened on Oct 14, 2026
  1

• Export conditional balance-law artifacts with explicit coverage and assumptions

  architectureenhancement
  ACCIDDA/op_system#295 · Filter by author jc-macdonald opened on Oct 14, 2026
  2

• Archive the shared software-paper release in ACCIDDA Zenodo and record its DOI

  ACCIDDA/op_system#273 · Filter by author jc-macdonald opened on Oct 14, 2026

• Audit the remaining identity-keyed caches for id() reuse (follow-up to #197)

  ACCIDDA/op_system#200 · Filter by author jc-macdonald opened on Sep 10, 2026 · JOSS supporting improvements (optional)

• Export a formal HistoryProvider Protocol from op_system's public API

  enhancement
  ACCIDDA/op_system#183 · Filter by author jc-macdonald opened on Aug 18, 2026 · JOSS supporting improvements (optional)

• Add CuPy contract test to prove the 'any Array-API backend' claim beyond NumPy/JAX

  enhancement
  ACCIDDA/op_system#182 · Filter by author jc-macdonald opened on Aug 18, 2026 · JOSS supporting improvements (optional)
  1

• Repeated-axis selectors and sparse 2D parameter tables

  architectureenhancement
  ACCIDDA/op_system#88 · Filter by author jc-macdonald opened on May 7, 2026 · Post-submission roadmap
  4

• Type-richness sweep: replace tuple/dict returns with named records, plus shareable utilities discussion

  enhancement
  ACCIDDA/op_system#85 · Filter by author jc-macdonald opened on May 6, 2026 · Post-submission roadmap

• Tighten backend typing in compile API (replace broad object usage)

  ACCIDDA/op_system#78 · Filter by author jc-macdonald opened on May 4, 2026 · JOSS supporting improvements (optional)

• Add axis-aware field specifications for parameters and initial conditions

  ACCIDDA/op_system#76 · Filter by author jc-macdonald opened on May 4, 2026 · JOSS supporting improvements (optional)
  

• Add top-level SystemSpec discriminated union model

  architectureenhancement
  ACCIDDA/op_system#59 · Filter by author jc-macdonald opened on Apr 9, 2026 · Post-submission roadmap
  

• Add Constraint Pydantic model

  enhancement
  ACCIDDA/op_system#58 · Filter by author jc-macdonald opened on Apr 9, 2026 · Post-submission roadmap
  

• Parametric parameter forms for axis-aware parameters

  enhancement
  ACCIDDA/op_system#50 · Filter by author jc-macdonald opened on Apr 7, 2026 · JOSS supporting improvements (optional)
  

• Auto-generated model diagrams from spec

  enhancement
  ACCIDDA/op_system#49 · Filter by author jc-macdonald opened on Apr 7, 2026 · Post-submission roadmap
  

• Default axis inheritance for states

  enhancement
  ACCIDDA/op_system#48 · Filter by author jc-macdonald opened on Apr 7, 2026 · Post-submission roadmap
  1

  

• Dynamic axis addition: add/remove structured axes at specification time

  ACCIDDA/op_system#46 · Filter by author jc-macdonald opened on Apr 6, 2026 · Post-submission roadmap

• Infer specification "kind" from contents

  enhancement
  ACCIDDA/op_system#41 · Filter by author TimothyWillard opened on Mar 25, 2026 · Post-submission roadmap

• Document constraints block in README and guides

  ACCIDDA/op_system#39 · Filter by author jc-macdonald opened on Mar 25, 2026 · JOSS supporting improvements (optional)
  

• Constraint-aware sum_over/integrate_over and end-to-end tests

  ACCIDDA/op_system#38 · Filter by author jc-macdonald opened on Mar 25, 2026 · JOSS supporting improvements (optional)
  

• Constraint filtering for state, alias, and transition expansion

  ACCIDDA/op_system#37 · Filter by author jc-macdonald opened on Mar 25, 2026 · JOSS supporting improvements (optional)
  1

  

• Revisit helper logic

  enhancementrefactor
  Task

  ACCIDDA/op_system#30 · Filter by author jc-macdonald opened on Mar 5, 2026 · Post-submission roadmap
  

• Add StateAxes Pydantic model

  ACCIDDA/op_system#27 · Filter by author TimothyWillard opened on Mar 4, 2026 · Post-submission roadmap
  1

• Add Chain Pydantic model

  ACCIDDA/op_system#26 · Filter by author TimothyWillard opened on Mar 4, 2026 · Post-submission roadmap