10.0

Release Notes

This release includes

• support for GCC 13; major package upgrades
• new optimization solvers via CVXpy, major new features in combinatorics and algebra

What's Changed

• Fix deployment of docs to netlify by @tobiasdiez in #34984
• Fix W391 linter issues by @tobiasdiez in #35109
• tox.ini (fedora-33): Do not set IGNORE_MISSING_SYSTEM_PACKAGES=no by @mkoeppe in #35126
• Mark unstable tests in klyachko.py due to #32773 by @tornaria in #35058
• ci-linux: Remove unmaintained local-conda runs by @mkoeppe in #35125
• Fix Cygwin CI after #32841 by @mkoeppe in #35052
• Add default devcontainer using conda by @tobiasdiez in #35072
• Improve camera positioning for threejs by @kwankyu in #34960
• Show explicit formulas in documentation of WeierstrassIsomorphism by @yyyyx4 in #34967
• Compute matrix kernels modulo composites by @yyyyx4 in #34968
• Cross-link matrix methods image and column_space by @Sandstorm831 in #34972
• SignedPermutation should allow iterables as input by @Sandstorm831 in #34974
• Add .torsion_basis() method to EllipticCurve_finite_field by @yyyyx4 in #34982
• Add construction of strongly regular digraph by @MatteoCati in #34986
• Trac role to GitHub by @roed314 in #35015
• Add doctest for #20847 by @mezzarobba in #34963
• Add .twists() to EllipticCurve_finite_field by @yyyyx4 in #34981
• Add new skew Hadamard matrices by @MatteoCati in #34985
• Fix doctests to support numpy 1.24 by @tornaria in #34994
• Fix bug due to UB in conversion from python int to ZZ (python 3.11, 32 bit, gcc12) by @tornaria in #34997
• Enable dependabot for github action updates by @tobiasdiez in #34999
• Add doctest for #20846 by @mezzarobba in #35001
• Add doctest for #16031 by @mezzarobba in #35003
• Speed up some methods for quasimodular forms ring elements by @DavidAyotte in #35004
• Fix some "cannot" by @fchapoton in #35007
• Add doctest for #13569 by @mezzarobba in #35010
• sage.{categories,matrix,structure}: Replace imports from sage.*.all for namespace packages by @mkoeppe in #35012
• Add limit= argument to Integer.prime_divisors() by @yyyyx4 in #35019
• Use NTL's MinPolyMod() for more rings by @yyyyx4 in #34966
• qqbar.clear_denominators: crude but fast alternative algorithm by @mezzarobba in #34961
• Support for tachyon >= 0.99.2 by @tornaria in #34995
• Implement check for Lorentzian polynomials #28252 by @fchapoton in #35021
• Remove upstream urls from checksums.ini that point to trac by @roed314 in #35023
• Fix usage of verbose with positional argument by @alexjbest in #35024
• Implement __getitem__ and alias weight methods for quasimodular forms by @DavidAyotte in #35025
• gitignore another (temporary) autoconf file by @alexjbest in #35027
• sage.schemes: Replace imports from sage.*.all for namespace packages by @mkoeppe in #35033
• Make _multiple_x_*() methods work for all n≠0 by @yyyyx4 in #35035
• Document argument is_open in ManifoldSubset.complement and difference by @egourgoulhon in #35040
• Add Hadamard matrices up to order 1000 by @MatteoCati in #35059
• A bijectionist's toolkit by @mantepse in #35060
• Add notes about recent changes on KnotInfo by @soehms in #35063
• Removing some unused imports by @fchapoton in #35064
• Upgrade eclib to 20221012 by @alexjbest in #35067
• Conform to doc requirements so that the docs look more beautiful by @alexjbest in #35069
• Document sage installation method with pip by @zovelsanj in #35070
• Combinatorial polyhedron: move list of pairs to dedicated class by @kliem in #35073
• Add ABCs CommutativePolynomial, MPolynomial_libsingular, InfinitePolynomial; deprecate is_Polynomial, is_MPolynomial by @mkoeppe in #35076
• Remove 'docker' from the names of the Docker images published on ghcr.io by @mkoeppe in #35079
• Add is_supergreedy() to linear extensions by @Sandstorm831 in #34970
• Deprecate constructing number-field fractional ideals via orders' .ideal() method by @yyyyx4 in #34979
• is_prime for ideals uses factorization, can be VERY slow by @yyyyx4 in #34980
• Integer-valued polynomial ring by @fchapoton in #34988
• Drinfeld modules by @kryzar in #35026
• Fix the method monomials_of_degree by @DavidAyotte in #35043
• Convert result of multivariate polynomial evaluation into correct parent by @mezzarobba in #35045
• sage.{coding,groups}: Replace imports from sage.*.all for namespace packages by @mkoeppe in #35099
• Remove direct use of setup.py sdist, add targets make SPKG-sdist by @mkoeppe in #35104
• sage.{functions,interfaces,symbolic}: Replace imports from sage.*.all for namespace packages by @mkoeppe in #35105
• sage.{arith,crypto,databases,dynamics,lfunctions,quadratic_forms}: Replace imports from sage.*.all for namespace packages by @mkoeppe in #35106
• sage.{finance,interacts,libs,numerical,stats,tests}: Replace imports from sage.*.all for namespace packages by @mkoeppe in #35107
• Deprecate is_FiniteField etc., make sage.rings.finite_rings a namespace package by @mkoeppe in #35119
• Fix use of sig_on()/sig_off() in CBF.integral() by @mezzarobba in #35044
• Implementing q-commuting Laurent polynomials. by @tscrim in #35054
• Upgrade scipy to 1.10.1 by @mkoeppe in #35082
• build/pkgs/pcre: Remove by @mkoeppe in #35083
• Upgrade polymake to 4.9 by @mkoeppe in #35085
• Move single_valued method of MZV to auxiliary F ring by @fchapoton in #35086
• Use enum for face iterator status by @kliem in #35087
• sage.{algebras,combinat,matroids}: Replace imports from sage.*.all for namespace packages by @mkoeppe in #35090
• Fix and activate W391 in pyx files by @fchapoton in #35091
• Update GAP to 4.12.2 by @dimpase in #35093
• To determine GAP_SO, sage.env looks for libgap.so but it should look for libgap.so* by @dimpase in #35094
• Simplicial set group by @miguelmarco in #35097
• sage.{topology,homology}: Replace imports from sage.*.all for namespace packages by @mkoeppe in #35098
• New ABC sage.structure.element.NumberFieldElement, deprecate is_NumberFieldElement by @mkoeppe in #35100
• scip_backend: Remove use of deprecated sage.ext.memory_allocator by @mkoeppe in #35101
• Fix all pycodestyle E303 warnings in all folders c* by @fchapoton in #35151
• Update msolve to 0.4.9 by @dimpase in #35159
• Fix a slow doctest in matrix_integer_dense_hnf.py by @tornaria in #35162
• Fix the documentation for the so matrix Lie algebra by @tscrim in #35163
• Compute the matrix of an isogeny on a given n-torsion subgroup by @yyyyx4 in #35164
• Activate W293 and E714 in pyx files by @fchapoton in #35165
• Fix bug in is_eulerian by @dcoudert in #35170
• Speedup of Poset characteristic polynomial by @trevorkarn in #35173
• Cleaning and enhancement to PolyDict by @videlec in #35174
• Matplotlib 3.7.0 support by @kiwifb in #35177
• Docs: use double backquotes for a command by @minaminao in #35180
• Bump codecov/codecov-action from 2 to 3 by @dependabot in #35183
• Bump actions/github-script from 3.1.0 to 6.4.0 by @dependabot in #35184
• Bump actions/cache from 2 to 3 by @dependabot in #35185
• Various improvements to Weyl character rings by @tscrim in #35186
• Add typing to tangent vectors by @tobiasdiez in #35189
• Symbolics: add derivative operator by @spaghettisalat in #35193
• Workaround for an ecl race in maxima init by @tornaria in #35195
• Fix bug with Set equality/inequality by @jhpalmieri in #35197
• sagemath-standard: Add dependencies typing_extensions, importlib_resources, importlib_metadata by @mkoeppe in #35203
• Remove directories leftover from improper shutdown so sage-cleaner won't kill random processes by @tornaria in #35204
• Remove deprecated slicing semantics of polynomials by @fchapoton in #35205
• Fixing some E502 (unnecessary backslash) in pyx files by @fchapoton in #35206
• Make automatic codecov report less noisy by @kwankyu in #35056
• Use the Docker images published on ghcr.io without 'docker' in the name by @mkoeppe in #35080
• Meta-PR: Replace imports from sage.*.all for namespace packages by @mkoeppe in #35110
• Partly fix conda ci and update python versions tested by @tobiasdiez in #35111
• Added check for invalid range in contour_plot and derivatives by @jnash10 in #35113
• libgap: Remove some GC hazards by @collares in #35114
• Make the key polynomials know their degree by @tscrim in #35115
• Fix pep8 E303 in modular/ and algebras/ by @fchapoton in #35117
• sage.env.sage_include_directories: Don't use distutils and SAGE_LIB by @mkoeppe in #35118
• Add optional package cvxpy, update cylp, add CVXPY MIP backend by @mkoeppe in #35120
• Fixing most of pycodestyle E271 by @fchapoton in #35123
• Fix a very slow doctest in sage/data_structures/stream.py by @tornaria in #35127
• Fix French notation for Tableau plots by @thecaligarmo in #35128
• Add parameter 'induced' to connected_subgraphs_iterator by @dcoudert in #35131
• Fix pep8 E303 in various folders (plot, quadratic forms, etc) by @fchapoton in #35132
• sage.geometry.integral_points: Use generic impl if no matrix_integer_dense by @mkoeppe in #35135
• sage.{geometry,rings}: More # optional tags in doctests by @mkoeppe in #35136
• Allow skew tableaux to be hashed by @tscrim in #35138
• Update normaliz to 3.10.0, update e_antic, pynormaliz by @mkoeppe in #35140
• Revise the PR template by @kwankyu in #35141
• Fix broken link in README by @wermos in #35142
• Equal hashes for non-isomorphic bipartite graphs with edge labels by @dcoudert in #35146
• sage.matrix.operation_table: Modularization and code style fixes by @mkoeppe in #35153
• Update the logo at README.md by @prirai in #35155
• Fix index out of range exception (#35031) by @sheerluck in #35156
• Move filterwarnings calls from sage.all to sage.all__sagemath_repl by @mkoeppe in #35160
• Add tests for solved issue about fraction fields by @videlec in #35220
• Systematically avoid checking of input by @mantepse in #35233
• Make Expression.simplify optionally use sympy by @mathcals in #35236
• sage.features: Add sage.libs.singular, features for standard Python packages by @mkoeppe in #35237
• Fix pep8 E303 in all folders starting with [defghi] by @fchapoton in #35244
• Using change_ring in quadratic_forms by @fchapoton in #35248
• Catch some more precise exceptions in combinat/ by @fchapoton in #35249
• Fix doctests for nauty 2.8.6 output changes by @tornaria in #35250
• More standard shape for error messages in combinat by @fchapoton in #35252
• Deprecate is_Algebra, is_CommutativeAlgebra by @mkoeppe in #35253
• Fix docstring of src/sage/rings/lazy_series.py by @DavidAyotte in #35254
• Shorter doctests in finite monoids by @fchapoton in #35257
• Support calling PARI's qfbcornacchia() from BinaryQF by @yyyyx4 in #35262
• sage.topology: Move imports from sage.graphs, sage.homology into methods by @mkoeppe in #35263
• Improve approximate order on __getitem__ calls by @mantepse in #35265
• sage.graphs: Add # optional doctest tags for modularization by @mkoeppe in #35266
• sage.manifolds, sage.tensor: Add # optional doctest tags for modularization by @mkoeppe in #35267
• Construct AdditiveAbelianGroupWrapper from (not necessarily independent) generating set by @yyyyx4 in #35270
• Drinfeld modules: Make some imports lazy by @mkoeppe in #35275
• sage.rings.polynomial.polynomial_ring[_constructor]: Handle missing implementation modules by @mkoeppe in #35277
• Use the Docker images published on ghcr.io without 'docker' in the name (step 3) by @mkoeppe in #35278
• sage.categories: Modularization fixes for imports by @mkoeppe in #35279
• Support all= keyword argument in AlgebraicClosureFiniteFieldElement.sqrt() by @yyyyx4 in #35280
• Modularization fixes for imports of number fields by @mkoeppe in #35283
• primesieve/count update, add gentoo packages info for them by @dimpase in #35284
• Add missing colon in finite_drinfeld_module.py by @DavidAyotte in #35287
• pplpy*: update upstream info and deps by @dimpase in #35289
• Update pplpy to 0.8.7 - to make gcc 12.2.1 happy by @dimpase in #35290
• Do not evaluate unnecessarily by @mantepse in #35291
• Arity check for shift and added some warnings by @tscrim in #35293
• Avoid a square root computation in EllipticCurve_field.quadratic_twist by @remyoudompheng in #35294
• pyscipopt: Update to 4.3.0, use tarball without generated .c files, run Cython instead by @dimpase in #35303
• HTML documentation: Add copy buttons to code blocks by @mkoeppe in #35304
• Use StringIO to format polynomials by @remyoudompheng in #35307
• Fix radius and diameter for digraphs with non-comparable vertices by @dcoudert in #35310
• Implement Specht modules for diagrams by @tscrim in #35036
• Implement symmetry classes of plane partitions by @tscrim in #35037
• Introduce extension of scalars coercion of CombinatorialFreeModules by @mkoeppe in #35102
• Improve CM testing for elliptic curves over number fields by @JohnCremona in #35166
• Document, lint, and fix placement of magic comments in multiline doctests by @mkoeppe in #35181
• Refactor subs() of multivariate polynomials for readability and efficiency by @kwankyu in #35210
• Add skew Hadamard matrices up to order 1000 by @MatteoCati in #35211
• Some improvements for braids computations by @enriqueartal in #35214
• Fix description of inputs of primes. by @Eloitor in #35215
• Reduce exponents of AbelianGroup elements modulo the respective orders by @pjbruin in #35218
• Reference Manual: fix definition of inverse Laplace transform by @MatanZ in #35222
• Fixing some :class:, :meth: roles by @fchapoton in #35224
• Large partial pep8 cleanup in cluster_seed by @fchapoton in #35228
• sage.rings.polynomial.laurent_polynomial_ring_base: Split out from .laurent_polynomial_ring by @mkoeppe in #35229
• sage.rings.function_field: Modularization fixes by @mkoeppe in #35230
• ABC for BooleanPolynomialRing by @mkoeppe in #35240
• Ignore deprecation warnings triggered by pythran 0.12.1 by @tornaria in #35438
• build/pkgs/openblas/spkg-configure.m4: Reject version 0.3.22 by @mkoeppe in #35377
• Use Singular maMapPoly to avoid quadratic complexity in polynomial evaluation by @remyoudompheng in #35381
• Add missing backticks to correct formatting by @karan0handa in #35382
• make dist: Update git remotes by @mkoeppe in #35384
• src/tox.ini: Add cython-lint by @mkoeppe in #35385
• Typo: 'minumum' for 'minimum' by @yukibl in #35390
• Adding a save method to class Standalone/TikzPicture for compatibility with sagetex by @seblabbe in #35394
• Accept plain Python types in block_matrix() by @mezzarobba in #35405
• Fix pep8 E303 in folders starting with m by @fchapoton in #35409
• Activate codecov reports even if other checks are failing by @tobiasdiez in #35412
• Fixing some pep8 E303 (folders before l* and after t*) by @fchapoton in #35413
• argon2_cffi: Add missing dependency by @mkoeppe in #35416
• Fix the broken linters by @fchapoton in #35418
• WordMorphism: remove keyword deprecated in #26307 by @fchapoton in #35421
• Fix doctests with ipython 8.12 by @tornaria in #35423
• Fixing most of pycodestyle E271 in pyx files by @fchapoton in #35312
• Make data_structures/bitset_base.pxd use explicit integer division by @alexhutman in #35313
• sage.schemes: Reformat doctests, add # optional annotations by @mkoeppe in #35314
• Use PARI implementation of Frobenius morphism by @remyoudompheng in #35316
• Fixing some E502 outside of schemes and combinat by @fchapoton in #35317
• Many more namespace packages by @mkoeppe in #35322
• Fix squarefree_decomposition failure over GF(2) by @remyoudompheng in #35323
• Add monotile to polygon examples by @mo271 in #35331
• Improvements to squarefree_decomposition() for finite fields. by @tscrim in #35334
• Make FLINT polynomial factor() interruptible by @remyoudompheng in #35335
• Fix test output to pass with ipywidgets 8.0.5 by @antonio-rojas in #35336
• Fix warning with ipython 8.11 (was #35235) by @tornaria in #35337
• Allow completion() to return a lazy series for infinite precision by @tscrim in #35345
• Correctly list develop packages in conda dev environment by @tobiasdiez in #35349
• Fix version specifiers of python packages for conda by @tobiasdiez in #35350
• Add minimum version of conda gap package by @tobiasdiez in #35351
• Add instructions on how to update existing conda environment by @tobiasdiez in #35352
• Replace \mbox by \text in manifolds by @tobiasdiez in #35353
• Partial fix for E221 (to be continued) by @fchapoton in #35355
• Fix documentation deployment by @tobiasdiez in #35356
• Lighter construction of finite field elements from lists by @remyoudompheng in #35358
• Many more namespace packages – follow up by @mkoeppe in #35366
• Add output documentation on monte_carlo_integral by @davidlowryduda in #35367
• Replace more .all imports by @mkoeppe in #35372
• SmallPermutationGroups by @dwbump in #35225
• Docfix: decimal --> binary by @hemmecke in #35487
• Partial cython linting in algebras/ by @fchapoton in #35392
• Some cython-linting inside categories/ by @fchapoton in #35408
• Conversion of complex_root_of to algebraic by @videlec in #35414
• Add "flint" factorization algorithm and replace qsieve implementation by @orlitzky in #35419
• Slight generalisation of MZV auxiliary F-algebra by @fchapoton in #35420
• Removed redundant imports from matrix_modn_dense_float.pyx by @aadya940 in #35426
• Fix doctests in oeis by @dcoudert in #35439
• Fix construction functor for p-adic relaxed types by @tornaria in #35441
• Make Qp.integer_ring() faster by @tornaria in #35442
• Don't call sylvester_matrix with zero polynomials by @tornaria in #35449
• Replace remaining uses of is_SymbolicEquation, is_SymbolicVariable by @mkoeppe in #35450
• Add modules to modules/index.rst by @karan0handa in #35451
• Fix all pycodestyle E303 warnings in rings/ by @fchapoton in #35452
• Partial cython-linting in graphs/ by @fchapoton in #35453
• Fix pycodestyle E502 in coding and crypto folders by @fchapoton in #35454
• Faster get_unsafe for NTL GF(p) polynomials by @remyoudompheng in #35455
• Faster computation of cached Frobenius powers by @remyoudompheng in #35456
• Remove old deprecated properties in set_partition + pep8 cleanup by @fchapoton in #35458
• pep8 and code details in weyl_characters.py by @fchapoton in #35459
• Refactor poset examples for better code coverage by @fchapoton in #35466
• Update GitHub transition notices in the developer manual by @kwankyu in #35482
• Add .conductor() and .order_of_conductor() methods for orders in quadratic fields by @yyyyx4 in #35271
• Fix E502 in schemes and combinat by @fchapoton in #35318
• Correct NTL calls when computing modular powers of GF(2) polynomials by @remyoudompheng in #35325
• Do not require a multiplicative generator for finite field nth_root by @remyoudompheng in #35346
• Fix and activate pep E271 in python files by @fchapoton in #35359
• Faster Kohel isogenies without bivariate polynomials by @remyoudompheng in #35370
• Fix for sage -package create --pypi --source wheel by @mkoeppe in #35379
• Cython-linting a few pyx files by @fchapoton in #35397
• Add lazy_string in matrix2.pyx by @xcaruso in #35039
• Iterator over the minimal distance k dominating sets by @dcoudert in #35462
• Add iterator over minimum distance k dominating sets by @dcoudert in #35463
• Fix conda workflow by @tobiasdiez in #35465
• Implement the Feichtner-Yuzvinsky rings for lattices by @tscrim in #35472
• scipy: Patch out test requiring internet access by @mkoeppe in #35476
• Remove unused code from GAP interface by @fingolfin in #35478
• Fix test output for ipywidgets 8.0.5, part deux by @collares in #35499
• build/pkgs/sphinx_{copybutton,basic_ng}: Add conda info by @mkoeppe in #35504
• Add check for pycodestyle E502 in python files by @fchapoton in #35506
• Aix pycodestyle E303 in schemes by @fchapoton in #35507
• Some cython-linting in matrix/ folder by @fchapoton in #35509
• Make BooleanPolynomial.variables() way faster by @tornaria in #35510
• Fix Graph.add_clique() for one vertex by @tornaria in #35511
• Improve PolynomialSequence.connection_graph() implementation by @tornaria in #35512
• Silence initialization of giac by @tornaria in #35513
• Don't force ecl lisp with maxima -l ecl on command line. by @tornaria in #35514
• Bug in integer valued polys by @fchapoton in #35515
• Improve PolynomialSequence.connected_components() by @dcoudert in #35518
• sage.combinat.sf: re-enable a doctest by @mkoeppe in #35521
• Cython-lint and some doc cleanup for expression.pyx by @fchapoton in #35525
• Fix pycodestyle E271 and E502 in pyx files by @fchapoton in #35526
• Some minor details in interfaces by @fchapoton in #35530
• Fix bug in graph.maximum_average_degree by @dcoudert in #35533
• Some cython-lint fixes in matroids/ by @fchapoton in #35534
• Some fixes for cython-lint in various places by @fchapoton in #35542
• Cleaning set partition by @fchapoton in #35543
• sage.quadratic_forms: Modularization fixes for imports by @mkoeppe in #35305
• sage.groups.matrix_gps: Modularization fixes for imports by @mkoeppe in #35306
• Fix minimal kernel basis corner cases by @vneiger in #35375
• sage.rings.finite_rings.residue_field: Modularization fixes by @mkoeppe in #35389
• Documentation improvements for rounding methods by @marizee in #35431
• Fix slow doctests or mark # long time by @tornaria in #35443
• Add method is_simple to permutations by @fchapoton in #35446
• sage.quadratic_forms: Fix use of staticmethod for Python < 3.10 by @mkoeppe in #35558
• givaro, zeromq: Add patches for GCC 13 support by @mkoeppe in #35415
• Fix the linter once more by @fchapoton in #35552
• Remove some circular imports in sage.rings, sage.symbolic by @mkoeppe in #35594
• Accept system openblas 0.3.23 and newer (needed for archlinux) by @remyoudompheng in #35524
• Update eclib to version 20230424 by @JohnCremona in #35555
• zeromq: Add system package info for Arch Linux, Gentoo by @mkoeppe in #35625
• Update openssl to 3.0.8 by Thierry Monteil in #35571
• Remark that WSL needs a lot of RAM by @dimpase in #35637
• build/pkgs/python3/spkg-configure.m4: Add depcheck for zlib by @mkoeppe in #35638
• Update developer guide for workflows on github by @kwankyu in #35460

New Contributors

(this was automatically generated by GitHub -- it does not know about contributors before the transition to GitHub)

• @Sandstorm831 made their first contribution in #34972
• @zovelsanj made their first contribution in #35070
• @minaminao made their first contribution in #35180
• @jnash10 made their first contribution in #35113
• @wermos made their first contribution in #35142
• @prirai made their first contribution in #35155
• @mathcals made their first contribution in #35236
• @Eloitor made their first contribution in #35215
• @MatanZ made their first contribution in #35222
• @karan0handa made their first contribution in #35382
• @yukibl made their first contribution in #35390
• @alexhutman made their first contribution in #35313
• @aadya940 made their first contribution in #35426
• @marizee made their first contribution in #35431

Full Changelog: 9.8...10.0