Issues

• Generate flir rules from the migration registry so downstream code can be rewritten for 3.0.0

  lifecycle
  igraph/rigraph#2933 · Filter by author krlmlr opened on Oct 15, 2026
  

• Algorithm-selection argument names: census of method/algorithm/algo/impl/implementation

  argument consistencyhackathon-topic 📆
  igraph/rigraph#2932 · Filter by author krlmlr opened on Oct 15, 2026
  2

  

• igraph fails to build on the R-hub/CRAN clang23 platform: flang-23: error: unknown argument: '-fvisibility=hidden'

  igraph/rigraph#2929 · Filter by author astamm opened on Oct 5, 2026
  2

• Could we get rid of the headers in R scripts

  igraph/rigraph#2919 · Filter by author maelle opened on Sep 29, 2026
  1

• CRAN Submission: igraph 2.3.4

  CRANsubmissionsuccess
  igraph/rigraph#2915 · Filter by author github-actions opened on Sep 28, 2026

• Release igraph 2.3.4

  igraph/rigraph#2909 · Filter by author krlmlr opened on Sep 27, 2026

• Expose VF2 vertex and edge compatibility predicates in the R API

  igraph/rigraph#2840 · Filter by author fubin1999 opened on Aug 16, 2026

• modularity_matrix(): Rethink position of membership argument

  igraph/rigraph#2797 · Filter by author krlmlr opened on Jul 27, 2026

• Rethink defaultness of arguments for clique_size_counts() vs. count_max_cliques()

  igraph/rigraph#2795 · Filter by author krlmlr opened on Jul 27, 2026
  1

• Extract all functions and objects used in tests into functions in the R/ directory or into testthat helpers

  igraph/rigraph#2793 · Filter by author krlmlr opened on Jul 27, 2026
  2

• Replace pass-through ... with dedicated options arguments

  argument consistencylifecycle
  igraph/rigraph#2790 · Filter by author krlmlr opened on Jul 26, 2026

• Comprehensive plan: argument default changes for 3.0.0

  argument consistencylifecycle
  igraph/rigraph#2789 · Filter by author krlmlr opened on Jul 26, 2026

• Comprehensive plan: argument renames for 3.0.0

  argument consistencylifecycle
  igraph/rigraph#2788 · Filter by author krlmlr opened on Jul 26, 2026
  28

• Standardize @param ...

  igraph/rigraph#2780 · Filter by author krlmlr opened on Jul 26, 2026
  1

• max_cliques() on a directed graph segfaults (C stack overflow) if any_multiple() was called first (igraph 2.3.3)

  bug
  igraph/rigraph#2748 · Filter by author jhollway opened on Jul 18, 2026
  4

• write_graph(g, format = "gml") fails because NULL id coerced to numeric(0)

  bug
  igraph/rigraph#2710 · Filter by author sshugars opened on Jun 24, 2026
  1

• return.vs.es: fix performance, then deprecate and remove

  igraph/rigraph#2695 · Filter by author schochastics opened on Jun 5, 2026

• Bump to igraph/C 1.0.1

  igraph/rigraph#2650 · Filter by author krlmlr opened on May 24, 2026

• Revdep Failures

  igraph/rigraph#2646 · Filter by author schochastics opened on May 22, 2026

• Replace all remaining .Call() expressions with calls to _impl functions

  igraph/rigraph#2561 · Filter by author krlmlr opened on Jan 27, 2026 · ISC Project
  1

  

• Reentrant variants of IGRAPH_FINALLY_PV()

  igraph/rigraph#2548 · Filter by author krlmlr opened on Jan 25, 2026
  

• Meta-review: order open PRs

  igraph/rigraph#2523 · Filter by author krlmlr opened on Jan 22, 2026
  1

  

• test for layout_with_fr()

  igraph/rigraph#2211 · Filter by author maelle opened on Oct 14, 2025
  3

• Where to put res$res

  stimulus
  igraph/rigraph#2126 · Filter by author maelle opened on Sep 8, 2025 · ISC Project

• Notes on Stimulus

  igraph/rigraph#2109 · Filter by author maelle opened on Sep 2, 2025
  2