Issues

• transitive_closure() should preserve attributes

  igraph/igraph#2932 · Filter by author szhorvat opened on Sep 25, 2026 · 1.1

• simple_cycles() returns empty for a graph with cycles

  wrong result
  igraph/igraph#2911 · Filter by author KevCaz opened on May 22, 2026
  2

  

• Add SVD Incidence Centrality

  igraph/igraph#2891 · Filter by author verri opened on Feb 18, 2026
  5

• Add "category" field to Stimulus metadata?

  igraph/igraph#2889 · Filter by author maelle opened on Feb 10, 2026
  6

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

  igraph/igraph#2887 · Filter by author krlmlr opened on Jan 25, 2026
  5

• Is igraph_setup() safe to call repeatedly?

  igraph/igraph#2877 · Filter by author LTLA opened on Oct 31, 2025
  1

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

  igraph/igraph#2873 · Filter by author jgmbenoit opened on Oct 19, 2025
  18

• allow to build against an external qhull

  igraph/igraph#2867 · Filter by author jgmbenoit opened on Oct 6, 2025
  3

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

  igraph/igraph#2847 · Filter by author szhorvat opened on Aug 25, 2025
  6

• Consolidate comparison tolerances

  igraph/igraph#2843 · Filter by author szhorvat opened on Aug 24, 2025

• Iterating through all elements of a matrix

  igraph/igraph#2839 · Filter by author szhorvat opened on Aug 19, 2025
  1

• Hexagonal lattice layout

  wishlist
  igraph/igraph#2832 · Filter by author szhorvat opened on Aug 17, 2025

• Triangular lattice layout

  wishlist
  igraph/igraph#2831 · Filter by author szhorvat opened on Aug 17, 2025

• n-dimensional square lattice layout

  wishlist
  igraph/igraph#2830 · Filter by author szhorvat opened on Aug 17, 2025

• Layouts for standard lattices

  good first issuewishlist
  igraph/igraph#2829 · Filter by author szhorvat opened on Aug 17, 2025
  4

• Floyd-Warshall performs badly with vertex counts that are a power of 2

  igraph/igraph#2822 · Filter by author szhorvat opened on Aug 11, 2025
  3

• Rename community_to_membership()

  igraph/igraph#2820 · Filter by author szhorvat opened on Aug 10, 2025 · 1.1
  1

• Add new metrics for spatial processing

  spatial
  igraph/igraph#2809 · Filter by author szhorvat opened on Jul 31, 2025
  2

• UMAP layout overlaps vertices in small graphs

  igraph/igraph#2787 · Filter by author szhorvat opened on Jun 30, 2025

• wishlist: weighted bipartite matching for least cost method

  igraph/igraph#2785 · Filter by author ChristelSwift opened on Jun 30, 2025

• Make a list of code files whose copyright is not with the igraph team

  igraph/igraph#2774 · Filter by author szhorvat opened on May 18, 2025
  1

• Use a more permissive license

  igraph/igraph#2773 · Filter by author szhorvat opened on May 18, 2025
  1

• How many random generators do we really need to make overrideable?

  igraph/igraph#2765 · Filter by author szhorvat opened on May 3, 2025
  5

• Feature Request: SPQR-tree Decomposition Function

  wishlist
  igraph/igraph#2764 · Filter by author HuanNV9 opened on May 2, 2025

• Negative binomial sampler

  igraph/igraph#2763 · Filter by author szhorvat opened on May 2, 2025