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transitive_closure() drops self-loops

Status: Open.

#2921 In igraph/igraph;

· apsoras opened on Jul 2, 2026

simple_cycles() returns empty for a graph with cycles

wrong resultA bug where an incorrect result is being returnedA bug where an incorrect result is being returned

Status: Open.

#2911 In igraph/igraph;

· KevCaz opened on May 22, 2026

Add SVD Incidence Centrality

Status: Open.

#2891 In igraph/igraph;

· verri opened on Feb 18, 2026

Add "category" field to Stimulus metadata?

Status: Open.

#2889 In igraph/igraph;

· maelle opened on Feb 10, 2026

Use evocative names instead of graph1 and graph2 for subisomorphism and perhaps other functions

Status: Open.

#2887 In igraph/igraph;

· krlmlr opened on Jan 25, 2026

Is igraph_setup() safe to call repeatedly?

Status: Open.

#2877 In igraph/igraph;

· LTLA opened on Oct 31, 2025

examples/simple/igraph_sparsemat4.c fails on arm64, ppc64el, riscv64, and s390x architectures

Status: Open.

#2873 In igraph/igraph;

· jgmbenoit opened on Oct 19, 2025

allow to build against an external qhull

Status: Open.

#2867 In igraph/igraph;

· jgmbenoit opened on Oct 6, 2025

Make sure no abort() or exit() exists in tests/examples

Status: Open.

#2847 In igraph/igraph;

· szhorvat opened on Aug 25, 2025

Consolidate comparison tolerances

Status: Open.

#2843 In igraph/igraph;

· szhorvat opened on Aug 24, 2025

Iterating through all elements of a matrix

Status: Open.

#2839 In igraph/igraph;

· szhorvat opened on Aug 19, 2025

Hexagonal lattice layout

wishlistFeature request that has not been chosen for implementation yet; vote or comment to prioritize it!Feature request that has not been chosen for implementation yet; vote or comment to prioritize it!

Status: Open.

#2832 In igraph/igraph;

· szhorvat opened on Aug 17, 2025