Issues

• blocks_and_cut_vertices raises TypeError for graphs with non-integer vertices and loops or multiple edges

  t: bug
  sagemath/sage#42979 · Filter by author hgranath opened on Oct 15, 2026

• IntegralLattice.enumerate_close_vectors() is incorrect for non-full-rank lattices

  c: algebrac: linear algebrap: major / 3t: bug
  Bug

  sagemath/sage#42957 · Filter by author yyyyx4 opened on Oct 12, 2026
  

• AffineSpace(R) changes the coordinate ring of an existing space

  t: bug
  sagemath/sage#42951 · Filter by author EliNaig opened on Oct 11, 2026

• delta complex to model the complement of a smooth projective hypersurface

  t: enhancement
  Feature

  sagemath/sage#42944 · Filter by author Alarraya opened on Oct 9, 2026
  

• Meson subprojects tracking upstream HEAD (mpfi, singular, flint) break builds without any change in Sage

  sagemath/sage#42935 · Filter by author kabirvashisht4-glitch opened on Oct 7, 2026

• ZZ.quotient rejects Python int arguments

  good first issuet: bug
  sagemath/sage#42933 · Filter by author mbombar opened on Oct 7, 2026
  3

• QuaternionFractionalIdeal_rational.minimal_element() sometimes fails to compute the minimal element

  c: algebrap: minor / 4t: bug
  Bug

  sagemath/sage#42928 · Filter by author yyyyx4 opened on Oct 6, 2026
  

• Immutable matrix of matrices can be mutated

  t: bug
  Bug

  sagemath/sage#42921 · Filter by author vincentmacri opened on Oct 5, 2026
  2

• Problems building lcalc or cypari on OS X

  c: buildt: bug
  sagemath/sage#42900 · Filter by author jhpalmieri opened on Oct 2, 2026
  1

• Failure of converting from finite field algebraic closure back to the finite field

  c: coercionc: finite ringst: bug
  sagemath/sage#42899 · Filter by author kryzar opened on Oct 2, 2026
  4

• A bug in symbolic summation

  c: symbolicst: bug
  sagemath/sage#42894 · Filter by author fchapoton opened on Oct 2, 2026
  5

• Support Python 3.15

  Task

  sagemath/sage#42891 · Filter by author vincentmacri opened on Oct 1, 2026
  1

  

• eclib fails to link with Conda GCC 14.3.0: trailing bare -L flags in Libtool postdeps

  c: buildt: bug
  sagemath/sage#42872 · Filter by author darijgr opened on Sep 29, 2026

• automorphism group does not pass numcpus correctly

  c: dynamicst: bug
  Bug

  sagemath/sage#42865 · Filter by author bhutz opened on Sep 28, 2026
  4

• Weight 1 Hecke-stability precision in hecke_stable_subspace may be below Schaeffer's bound

  sagemath/sage#42862 · Filter by author sm5ve opened on Sep 26, 2026
  1

• Creating an NTL-based p-adic extension element from a coefficient list longer than the degree aborts or fails

  sagemath/sage#42849 · Filter by author aygerix opened on Sep 24, 2026

• p-adic factor() and roots() segfault when the leading coefficient is indistinguishable from zero

  sagemath/sage#42848 · Filter by author aygerix opened on Sep 24, 2026

• Equality of weighted projective points ignores roots of unity, breaking hyperelliptic Coleman integration

  sagemath/sage#42847 · Filter by author aygerix opened on Sep 24, 2026

• Clean up Steenrod Squares code

  t: enhancement
  sagemath/sage#42836 · Filter by author sweeneyde opened on Sep 23, 2026

• DiscreteProbabilitySpace rejects dict_keys and other iterables (Python 3 incompatibility)

  sagemath/sage#42819 · Filter by author vivek41-glitch opened on Sep 21, 2026

• Design discussion: comparison semantics for FiniteEnumeratedSet

  sagemath/sage#42818 · Filter by author vivek41-glitch opened on Sep 21, 2026
  3

  

• GF(p^e) and Zmod(n) should not have variable names

  sagemath/sage#42814 · Filter by author orlitzky opened on Sep 20, 2026
  6

• Add more plots to game theory documentation

  t: enhancement
  sagemath/sage#42813 · Filter by author kcrisman opened on Sep 18, 2026
  3

• No link for Gambit instructions

  sagemath/sage#42812 · Filter by author kcrisman opened on Sep 18, 2026

• multiplication of elliptic-curve isogenies by scalars misbehaves

  c: elliptic curvesp: major / 3t: bugt: enhancement
  Bug

  sagemath/sage#42789 · Filter by author yyyyx4 opened on Sep 13, 2026