PolicyEngine/chronicle

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Canonical documentation of microdata sources and their mappings to statute-defined concepts

Stars: 0
Forks: 1
Open beginner issues: 0
Indexed issues: 37
Avg merge: 11h 48m
Merged PRs (30d): 45

Dominant language: Python
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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37 open issues indexed

US source package: IRS SOI Table 3.4, tax generated by rate (income taxed at 37%) Open

Difficulty 4/5 3-5 days Newbie friendliness 65/100

PolicyEngine/chronicle#279 · Opened Sep 19, 2026
build-bundle emits source_label concept alignments without authority; build-consumer-artifact refuses them under consumer_fact.v3 Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

PolicyEngine/chronicle#277 · Opened Sep 18, 2026
Port the NHS budget and the NHS per-capita cost by age and sex behind microcosm's ETB services anchors so the last hand-copied E6 anchors can retire Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#268 · Opened Sep 14, 2026
USDA FY2025 monthly manifest records the FY69-to-current package's 2024 R2 key Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#243 · Opened Sep 4, 2026
Fact provenance needs an asserting principal and root-artifact lineage so the microdata-derived-fact prohibition is enforceable Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

PolicyEngine/chronicle#238 · Opened Sep 3, 2026
Publish hash-pinned per-package consumer artifacts for public sources so downstream fixtures reference a Chronicle artifact, not copied rows Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

PolicyEngine/chronicle#230 · Opened Sep 2, 2026
Raw archive integrity: 12 manifest-declared objects were never in ledger-raw (restored); IRS re-published 2022 IRA tables; OBR blocks unattended fetch Open

bug

Difficulty 5/5 Over a week Newbie friendliness 38/100

PolicyEngine/chronicle#225 · 2 comments · Opened Sep 2, 2026
Journal branch CI red since 2026-08-24: 9 unreviewed identity mints (incl. raw-id concept bls.cps.LNU02374597) vs the reviewed anchor; blocks #182 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

PolicyEngine/chronicle#224 · Opened Sep 2, 2026
check_thesis_facts_append: three confinement gaps found in the receipt port review Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PolicyEngine/chronicle#223 · 3 comments · Opened Sep 2, 2026
Register raw microdata releases as source artifacts: licence/access manifest fields, hash-only registration, first registrations Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#221 · 1 comment · Opened Sep 2, 2026
Add Iriscare Brussels family-allowance facts Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

PolicyEngine/chronicle#216 · Opened Aug 31, 2026
Add native Opgroeien Groeipakket caseload and expenditure facts Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#217 · Opened Aug 31, 2026
Add Ostbelgien family-allowance facts Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

PolicyEngine/chronicle#218 · Opened Aug 31, 2026
Add AVIQ Walloon family-allowance facts Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

PolicyEngine/chronicle#214 · Opened Aug 31, 2026
Add ECB HFCS Wave 2023 Belgium wealth facts Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

PolicyEngine/chronicle#215 · Opened Aug 31, 2026
Add IRD taxable-income and wage statistics for New Zealand tax year 2024 Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

PolicyEngine/chronicle#210 · Opened Aug 30, 2026
UK source packages: ONS WAS Round 8 household wealth distribution (total wealth, components, percentile aggregates) Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

PolicyEngine/chronicle#205 · Opened Aug 28, 2026
Ingest passive vs nonpassive pass-through anchors (SOI 1065 passive/nonpassive tables, Pub 1304 Sch E lines, Form 8960 line 4, SCF non-active businesses) Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

PolicyEngine/chronicle#179 · Opened Aug 19, 2026
NZ source packages, wave 3: local geography (TA / SA2) Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

PolicyEngine/chronicle#178 · Opened Aug 18, 2026
NZ source packages, wave 2: take-up and validation surface Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

PolicyEngine/chronicle#177 · Opened Aug 18, 2026
NZ source packages, wave 1: the populace-nz v1 16-margin surface Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#176 · 1 comment · Opened Aug 18, 2026
Collapse source_package.py's parser dispatch chains into a lane registry Open

Difficulty 4/5 3-5 days Newbie friendliness 54/100

PolicyEngine/chronicle#169 · 1 comment · Opened Aug 14, 2026
Assertion axis cannot represent provisional (revisable) observations Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#160 · Opened Aug 12, 2026
Bundle expectations: per-source deltas that compose across parallel PRs Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

PolicyEngine/chronicle#157 · 1 comment · Opened Aug 11, 2026
v2 surface migration plan: retire frozen ledger-named machine surfaces Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

PolicyEngine/chronicle#143 · 4 comments · Opened Aug 7, 2026
National generalization of the ACS SLD packages (all states, ~6.8k districts) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#138 · Opened Aug 5, 2026
Ingest QBID anchors: Pub 1304 T1.4 by-AGI (TY2023), JCT Dec-2024 199A study, Pub 4801 8995 lines, JCX-45-25 Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

PolicyEngine/chronicle#121 · Opened Jul 25, 2026
HT2 TY2022 us.all qbi_amount ingested ~6.9x low ($31.3B vs IRS $215.7B); audit all HT2 QBID rows Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

PolicyEngine/chronicle#120 · Opened Jul 24, 2026
Six CBO revenue-projection ty2023 rows carry duplicate source_record_ids in consumer exports Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

PolicyEngine/chronicle#119 · Opened Jul 23, 2026
CD record sets stamp 22incd.csv as ty2023 — a tax-year vintage error; add Table 1.4 taxable-interest facts (populace#489) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PolicyEngine/chronicle#117 · Opened Jul 23, 2026
Belgium target expansion: households, income distribution, work regime, pensions, commune grain (all open data) Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

PolicyEngine/chronicle#85 · Opened Jul 8, 2026
String year keys in manifest files: crash the {year} templating in source_package.py Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

PolicyEngine/chronicle#79 · Opened Jul 2, 2026
build-bundle silently skips packages whose aliases drifted from the db/data layout Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

PolicyEngine/chronicle#78 · Opened Jul 2, 2026
Flag cross-source inconsistencies as a first-class diagnostic (report, never reconcile) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#75 · Opened Jul 2, 2026
Port Thesis official-observation facts (49 rows on codex/thesis-ledger-facts) into source packages Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

PolicyEngine/chronicle#74 · Opened Jul 2, 2026
Facts-only store: type source-published projections as facts, enforce period contracts at consumption Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#71 · Opened Jul 1, 2026
Backfill IRS SOI source packages to 2015 for Microplex PUF uprating Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolicyEngine/chronicle#51 · Opened Jun 2, 2026

PolicyEngine/chronicle

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