Issues

Multi-period inputs in a variable's own unit: helper skipped, uprating base, storage aliasing
PolicyEngine/policyengine-core#583 · opened on Oct 3, 2026
set_input helpers count calculated sub-period values as inputs, so an input over a longer period depends on what was calculated first
PolicyEngine/policyengine-core#580 · opened on Oct 2, 2026
set_input for one period leaves the variable's cached sum or twelfth over an overlapping period in place
PolicyEngine/policyengine-core#579 · opened on Oct 2, 2026
Allow callers to provide Hugging Face authentication explicitly
PolicyEngine/policyengine-core#575 · opened on Oct 2, 2026
Simulations pickled in one process cannot be unpickled in another
PolicyEngine/policyengine-core#568 · opened on Oct 2, 2026
OnDiskStorage.delete(period) deletes only that exact period, not the periods within it
PolicyEngine/policyengine-core#564 · opened on Oct 2, 2026
_user_input_keys drifts from stored values after delete_arrays and clone
PolicyEngine/policyengine-core#559 · opened on Oct 2, 2026
Skip the Hugging Face token prompt and no-token warning when huggingface_hub already has a cached token
PolicyEngine/policyengine-core#553 · opened on Sep 29, 2026
Reject duplicate finite thresholds within a single parameter scale
PolicyEngine/policyengine-core#550 · opened on Sep 24, 2026
download_huggingface_dataset hardcodes repo_type="model", so it cannot fetch datasets repos
PolicyEngine/policyengine-core#549 · opened on Sep 15, 2026
restore_simulation silently drops memberless group entities
PolicyEngine/policyengine-core#547 · opened on Sep 10, 2026
TracingParameterNodeAtInstant never records scale/bracket parameter reads
PolicyEngine/policyengine-core#542 · opened on Sep 4, 2026
FullTracer records no parameter reads for yearly formulas: the at-instant node is cached before the tracing recast
PolicyEngine/policyengine-core#541 · opened on Sep 4, 2026
Allow metadata propagation to exclude selected fields
PolicyEngine/policyengine-core#537 · opened on Sep 2, 2026
Storage keys need a structured (branch, period) scheme: str(period) is lossy and separators collide with branch names
PolicyEngine/policyengine-core#526 · opened on Jul 21, 2026
TaxBenefitSystem construction permanently leaks ~5,600 sys.modules entries (~55-60MB) per build — unreclaimable by gc
PolicyEngine/policyengine-core#520 · opened on Jul 19, 2026
Proposal: deterministic PolicyEngine YAML test -> portable fixture converter
PolicyEngine/policyengine-core#514 · opened on Jul 9, 2026
1
Proposal: preserve missing-input state instead of collapsing it to zero
PolicyEngine/policyengine-core#513 · opened on Jul 9, 2026
1
Proposal: versioned computation trace export for household calculations
PolicyEngine/policyengine-core#512 · opened on Jul 9, 2026
2
int32 / float32 default dtypes risk silent overflow and precision loss
PolicyEngine/policyengine-core#467 · opened on Apr 17, 2026
Support arbitrary month periods in YAML tests
PolicyEngine/policyengine-core#419 · opened on Jan 7, 2026
Investigate performance improvements
PolicyEngine/policyengine-core#415 · opened on Dec 16, 2025
3
Check for outdated issues
PolicyEngine/policyengine-core#413 · opened on Dec 8, 2025
3
Add base year support for parameter uprating
PolicyEngine/policyengine-core#403 · opened on Oct 16, 2025
ID variables produce fractional values when mapped between non-hierarchical entities
PolicyEngine/policyengine-core#400 · opened on Oct 3, 2025