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M4-PR3: implement PredicatePushdownPass rewrite using pass framework + safety primitives

Status: Open.

#1187 In graphistry/pygraphistry;

· lmeyerov opened on Apr 22, 2026

Metaissue: M4 wave-1 execution DAG (pass framework + predicate pushdown safety primitives)

Status: Open.

#1179 In graphistry/pygraphistry;

· lmeyerov opened on Apr 22, 2026

refactor(hop): replace direct .merge() with safe_merge() for defensive engine consistency

Status: Open.

#1166 In graphistry/pygraphistry;

· lmeyerov opened on Apr 21, 2026

Feature: Add Polars DataFrame support

enhancement

Status: Open.

#1133 In graphistry/pygraphistry;

· lmeyerov opened on Apr 11, 2026

Umbrella: Harden untrusted PR CI + Codex agent security model

Status: Open.

#1130 In graphistry/pygraphistry;

· lmeyerov opened on Apr 11, 2026

Binder follow-up: replace regex WHERE label narrowing with AST-based analysis

Status: Open.

#1125 In graphistry/pygraphistry;

· lmeyerov opened on Apr 11, 2026

CI/docs Python modernization with explicit 3.8 compatibility split

ai-friendlyWell-scoped tasks suitable for AI-assisted implementationWell-scoped tasks suitable for AI-assisted implementation

docs

enhancement

help wanted

infra

Status: Open.

#1110 In graphistry/pygraphistry;

· lmeyerov opened on Apr 9, 2026

typing: phased repo-wide mypy --strict rollout with CI ratchet (linked to pyright)

ai-friendlyWell-scoped tasks suitable for AI-assisted implementationWell-scoped tasks suitable for AI-assisted implementation

good-first-issue

help wanted

Status: Open.

#1100 In graphistry/pygraphistry;

· lmeyerov opened on Apr 8, 2026

test-full-ai: test_alternative_namespace_models flaky under -n auto (np.allclose non-determinism)

bug

Status: Open.

#1085 In graphistry/pygraphistry;

· lmeyerov opened on Apr 7, 2026

tooling: explore adding pyright in monitor mode to catch possibly-unbound variables

good-first-issue

help wanted

Status: Open.

#1075 In graphistry/pygraphistry;

· lmeyerov opened on Apr 6, 2026

ci: port ReadTheDocs build to uv lockfile

infra

Status: Open.

#1074 In graphistry/pygraphistry;

· lmeyerov opened on Apr 6, 2026

chore(tests): DRY remaining cudf factory twins in test_lowering.py (~97 LOC)

Status: Open.

#1073 In graphistry/pygraphistry;

· lmeyerov opened on Apr 6, 2026