10.3

SageMath version 10.3 (released Mar 19, 2024)

Sage-10.3-Release-Tour

What's Changed

• clean E702 etc in integer.pyx by @fchapoton in #36653
• sage.misc.explain_pickle: Docstring cosmetics by @mkoeppe in #36655
• ruff auto-fix for C4 in modular by @fchapoton in #36664
• Laurent polynomials, Fitting ideals and characteristic varieties by @enriqueartal in #36368
• check coprimality of moduli in CRT_basis() by @yyyyx4 in #36457
• Functions for nice tree decomposition and its labelling by @guojing0 in #36504
• sage --tox -e coverage.py by @mkoeppe in #36505
• pkgs/sage-{docbuild,setup,sws2rst}: Migrate from setup.cfg to pyproject.toml by @mkoeppe in #36562
• Replace relative imports by absolute ones in categories by @tobiasdiez in #36572
• rename the backtrack algorithm of method longest_path with deprecation by @dcoudert in #36574
• implemented power of graph function under basic methods by @saatvikraoIITGN in #36584
• Replace relative imports by absolute ones in rings by @tobiasdiez in #36588
• Replace relative imports by absolute ones in a few packages by @tobiasdiez in #36589
• Add pull_from_function_field to curves by @kwankyu in #36592
• Replace relative imports by absolute ones in modules by @tobiasdiez in #36597
• cylint cleanup in combinatorial polyhedra by @fchapoton in #36623
• Allow to specify output directory for generated interpreters by @tobiasdiez in #36630
• sums of elliptic-curve morphisms by @yyyyx4 in #36637
• return Weierstrass scaling factor in base field for EllipticCurveIsogeny by @yyyyx4 in #36638
• sage.algebras: Update # needs, modularization fixes, doctest cosmetics by @mkoeppe in #36642
• sage.combinat.species: Update # needs by @mkoeppe in #36643
• sage.combinat.words: Update # needs by @mkoeppe in #36644
• More fixes for e221 by @fchapoton in #36654
• sage.tests: Update # needs by @mkoeppe in #36657
• sage.sat: Update # needs by @mkoeppe in #36658
• fix documentation and random doctest failure for Cornacchia algorithm by @yyyyx4 in #35486
• test whether point is actually on the curve when evaluating elliptic-curve isomorphism by @yyyyx4 in #35799
• Bliss spkg config by @dimpase in #35830
• FriCAS spkg-configure and Feature by @dimpase in #35838
• upgrade to flint3 by @mezzarobba in #35848
• generalize EllipticCurve_field.division_field() to composite orders by @yyyyx4 in #35936
• Cythonize LatticePolytope.normal_form(algorithm='palp_native'), change to default, add as a Polyhedron method by @mkoeppe in #36031
• Notebook 7, ipykernel 6.27, ipython 8.17 by @mkoeppe in #36129
• sage -fixdistributions by @mkoeppe in #36135
• add class groups of binary quadratic forms by @yyyyx4 in #36184
• establish interface for instantiated classical modular polynomials by @yyyyx4 in #36190
• src/sage/doctest/control.py: double the default test timeout by @orlitzky in #36223
• refresh the file plural.pyx by @fchapoton in #36683
• less use of _an_element_impl by @fchapoton in #36689
• Implement twisted homology of simplicial sets. by @miguelmarco in #36691
• Dark Mode Compatibility: Improved Crystals Visibility by @cherry-1729-9090 in #36695
• CI Linux incremental: Set max_parallel = 8, reduce standard-sitepackages platforms by @mkoeppe in #36697
• some details in combinations by @fchapoton in #36701
• make modform rings for triangle groups use Algebras by @fchapoton in #36703
• convert Tate algebra to use Parent and category by @fchapoton in #36704
• add method to compute the length of a tree-decomposition by @dcoudert in #36705
• get rid of coerce_try by @fchapoton in #36709
• Deploy live doc preview with pdf docs by @kwankyu in #36714
• build/bin/sage-logger [V=0]: Show more lines of the log of failing builds by @mkoeppe in #36715
• Free space and repeatability for the Docker Hub workflow by @soehms in #36716
• Adding cellular bases for the SymmetricGroupAlgebra over general fields by @tscrim in #36718
• Compute dimensions of simple symmetric group modules over positive characteristic by @tscrim in #36724
• cython-lint for graphs/ by @fchapoton in #36728
• build/pkgs/pari: require pari-2.5.14, drop tests for patched v2.5.13 by @orlitzky in #36732
• meson_python 0.15 by @mkoeppe in #36733
• avoid importing DiGraph from sage.graphs.graph by @dcoudert in #36736
• build/bin/sage-spkg: Add options for checking, cleaning separately from build/install by @mkoeppe in #36738
• ⬆️ Bump actions/github-script from 6.4.0 to 7.0.1 by @dependabot in #36739
• Plant anchors for hunks to create links in doc preview changes by @kwankyu in #36742
• Normal Python packages: postpone wheel installation to the post-install phase by @mkoeppe in #36743
• pep8 for maxima-lib interface by @fchapoton in #36744
• pep8 for axiom and sympy interfaces by @fchapoton in #36745
• pep8 in various interfaces by @fchapoton in #36746
• pkgs/sagemath-{bliss,coxeter3,...}: Move metadata from setup.cfg to pyproject.toml by @mkoeppe in #36564
• sage.libs.pari, sage.rings.real_mpfr: Modularization fixes by @mkoeppe in #36645
• sage.interfaces: Update # needs by @mkoeppe in #36656
• implement Bröker's algorithm for constructing supersingular curves by @yyyyx4 in #36665
• Replace relative imports by absolute ones in sage.{algebras,arith,categories,cpython,data_structures,misc,modular,rings,sat,symbolic} by @mkoeppe in #36666
• capitals to Hopf, Lie, Coxeter by appropriate mechanism by @fchapoton in #36673
• symengine and symengine_py 0.11 by @dimpase in #36677
• src/doc: Update # needs by @mkoeppe in #36679
• src/sage/graphs: some care with # optional by @dcoudert in #36682
• get rid of some ParentWithGens in real and complex fields by @fchapoton in #36684
• .ci/merge-fixes.sh: Obtain patches via URL, make customizable by repository variable by @mkoeppe in #36686
• Codestyle improvements (mostly sort imports) by @mkoeppe in #36687
• use less _element_constructor by @fchapoton in #36700
• Python toolchain as wheel packages by @mkoeppe in #36802
• Corrected the typo in documentation - Permutation Groups by @SpaceCoder93 in #36818
• Fix linter failure in 10.3.beta0 by @mkoeppe in #36822
• ipython 8.18 and related upgrades, remove backcall by @mkoeppe in #36823
• README.md: Update section on macOS arm64 by @mkoeppe in #36828
• update qepcad to B 1.74 by @dimpase in #36837
• various details in group (ruff and pycodestyle) by @fchapoton in #36851
• failing doctest on Apple M1: corrected the test case by sorting the result by @amanmoon in #36852
• various details in algebras (ruff mostly) by @fchapoton in #36853
• various details in categories (ruff C4 and UP02) by @fchapoton in #36854
• some ruf...

10.2

SageMath version 10.2 (released Dec 3, 2023)

Sage-10.2-Release-Tour

What's Changed

• upgrade msolve to 0.5.0, update interface by @mezzarobba in #36103
• using mute variables in combinat by @fchapoton in #36107
• some details in quadratic forms by @fchapoton in #36108
• using # needs in posets folder by @fchapoton in #36114
• fix cardinality, #36119, #36118, #36116 by @mantepse in #36124
• python-style loops in partn_ref.data_structures (partial) + some pep8 by @fchapoton in #36140
• Drop support for GCC < 8.4, drop testing of debian-buster and fedora-29 by @mkoeppe in #35810
• sage.categories: Update # needs by @mkoeppe in #35945
• Initial implementation of dynamical semigroups by @MatheMagicianPi in #35947
• Implemented five new operations for dynamical semigroups by @MatheMagicianPi in #35988
• Working MCDS implementation using connectivity constraints by @MrBanananator in #35990
• Implement Goss polynomials of Drinfeld modules by @DavidAyotte in #35991
• New functions is_chebyshev and is_Lattes for one dimensional projective dynamical systems by @guojing0 in #36000
• Fix tests with singular 4.3.2p4 by @antonio-rojas in #36018
• Implement algebra_containment from Singular (issue #34502) by @jhpalmieri in #36030
• Implemented two new methods for dynamical semigroups by @MatheMagicianPi in #36041
• Fix sqrt(sqrt(2)) memory leak in ginac numeric.cpp by @vbraun in #36046
• New GitHub workflow to continue our images on Docker Hub by @soehms in #36047
• normaliz: Update to 3.10.1 by @mkoeppe in #36050
• cython-lint : add note about unused imports by @fchapoton in #36053
• sage.arith: Update # needs by @mkoeppe in #36057
• Speed up the creation of submatrices of Matrix_modn_dense_template matrices by @marizee in #36059
• sage.{cpython,data_structures,databases,ext,parallel,structure}: Update # needs by @mkoeppe in #36067
• sage.{matrix,modules,probability,stats,quadratic_forms,tensor}: Update # needs, modularization fixes by @mkoeppe in #36070
• Correct typo in class name of Polynomial_ZZ_pEX in .pxd file by @GiacomoPope in #36071
• sage.{interacts,misc,repl,typeset}: Update # needs, modularization fixes by @mkoeppe in #36078
• fix and activate pycodestyle E301 in pyx files by @fchapoton in #36079
• build/pkgs/jupyter_core: Update to 4.12.0 by @mkoeppe in #36083
• some details in coxeter groups by @fchapoton in #36085
• using python-style for-loops in modular folder by @fchapoton in #36086
• using python-style for loops in calculus by @fchapoton in #36087
• sage.geometry.polyhedron: fix doctest error due to modularization by @dcoudert in #36089
• Speed-up the creation of a zero matrix of type Matrix_modn_dense_template by @marizee in #36093
• Height function for projective subvarieties by @MatheMagicianPi in #36094
• add ordered set partitions as supported findstat collection by @mantepse in #36096
• Add additional bindings from NTL to Polynomial_ZZ_pEX by @GiacomoPope in #36097
• Detect and use system MathJax-3.x by @orlitzky in #36098
• sage.crypto: Update # needs, modularization fixes by @mkoeppe in #36106
• build/pkgs/cython: Update to 0.29.36 by @mkoeppe in #35084
• libatomic_ops: Update to 7.8.0 by @ivmai in #35399
• Drop support for Python 3.8 by @tobiasdiez in #35404
• sage.functions: Decouple from sage.symbolic.expression and mpmath, update # needs by @mkoeppe in #35716
• gc: update to 8.2.4 by @ivmai in #35743
• Implement cocharacter and primitive Eulerian polynomials for hyperplane arrangements by @tscrim in #35914
• Delete .zenodo.json by @dimpase in #36132
• add some links to python error classes in the doc by @fchapoton in #36088
• run GitHub actions locally using gh act by @dimpase in #36117
• Bandaid for polynomial evaluation by @fchapoton in #36127
• sage.combinat.root_system: Modularization fixes, # needs by @mkoeppe in #36136
• fix Conrey number of trivial Dirichlet character by @fchapoton in #36139
• python-style loops in sage.graphs by @dcoudert in #36142
• Fix two "Computational Math.." book doctests by @orlitzky in #36143
• build/pkgs/mathjax/distros/gentoo.txt: Fix by @mkoeppe in #36145
• Fixing many e305 by @fchapoton in #36147
• fix the 2 broken linters by @fchapoton in #36148
• Fix doctest in src/sage/algebras/quantum_groups/quantum_group_gap.py by @dcoudert in #36149
• random elt for colored permutations by @fchapoton in #36155
• detect the zero series when returning an exact stream by @mantepse in #36156
• some pep for E30 and more in quadratic forms by @fchapoton in #36157
• Fix documentation previews using mathjax cdns by @kwankyu in #36160
• build/pkgs/singular: Upgrade to 4.3.2p7, reject system Singular without FLINT by @mkoeppe in #35934
• Implementing a generic one method for unital algebras by @tscrim in #36095
• sage.rings.finite_rings.element_*: Remove unused imports by @mkoeppe in #36105
• Prepare for updating Cython to 3.0.0 by @infmagic2047 in #36109
• small improvements for functorial composition by @mantepse in #36115
• improve performance of stream cauchy invert by @mantepse in #35338
• Update Zariski-van Kampen functions by @enriqueartal in #35376
• using PyLong API instead of legacy PyInt API by @fchapoton in #36111
• Upgrades: scipy 1.11 and dependencies by @mkoeppe in #36112
• Coxeter arrangement by @fchapoton in #36151
• sage.rings: Update # needs by @mkoeppe in #36152
• minor details in graph_plot by @fchapoton in #36162
• Fix the ascii art for the Heisenberg Lie algebras by @tscrim in #36170
• Fix quadratic memory of berlekamp_massey by @grhkm21 in #36173
• fix and activate pycodestyle E305 in py files by @fchapoton in #36177
• Improve methods in sage.misc.rest_index_of_methods to fix the documentation of graphs. by @dcoudert in #36179
• more fixes in quadratic forms by @fchapoton in #36180
• fix E228 and E225 in algebras/ by @fchapoton in #36182
• sage.misc.sageinspect: fix doctest warnings due to modularisation by @dcoudert in #36183
• src/sage/tests: fix another "Computational Math..." doctest by @orlitzky in #36185
• use semi-primitive root when checking kernel polynomials of isogenies by @yyyyx4 in #36187
• fix E228 and E225 in schemes/ by @fchapoton in #36191
• fix E228 then E225 in rings/ by @fchapoton in #36192
• schemes/elliptic_curves: disable a test that takes too long by @tornaria in #36195
• Fixing the iterator of SemistandardMultiSkewTableaux by @tscrim in #36200
• some micro-details in Dyck words and Parking functions by @fchapoton in #36202
• Remove self-cimports by @mkoeppe in #36207
• configure.ac: disable tzlocal with --disable-r by @orlitzky in https:...

10.1

SageMath version 10.1 (released Aug 20, 2023)

Sage-10.1-Release-Tour

What's Changed

• Some fixes for Specht modules and diagrams by @tscrim in #35432
• Implement down-up algebras and their Verma modules by @tscrim in #35484
• sage.rings.factorint: Modularization fixes by @mkoeppe in #35502
• Deprecate is_SymbolicVariable, is_SymbolicEquation by @mkoeppe in #35505
• Some cython-linting in modular/ folder by @fchapoton in #35516
• Make rank return an Integer object by @kryzar in #35519
• src/sage_docbuild/conf.py: Do not fail if pplpy doc is not installed by @mkoeppe in #35536
• For groups: generic centralizer, subgroup methods; improving center by @tscrim in #35540
• Review of #35540 by @dwbump in #35547
• Fvector for fans by @fchapoton in #35548
• Fixing some pycodestyle warnings E251 by @fchapoton in #35549
• Removing some unused imports in cython files by @fchapoton in #35550
• Enable access to some methods in sage/graphs/graph_decompositions by @dcoudert in #35551
• cython-lint cleaning in combinat/ by @fchapoton in #35553
• Make doc preview message from github bot one liner by @kwankyu in #35563
• Replace obsolescent egrep by @fchapoton in #35565
• Partial cython-lint in plot folder by @fchapoton in #35566
• 4ti2: Update to 1.6.10, fixes egrep issue, adds GCC 13 support by @mkoeppe in #35570
• Some details in posets by @fchapoton in #35573
• Support tox 4.x for testing modularized distributions by @mkoeppe in #35208
• Implement the logarithm and the exponential of a Drinfeld module by @DavidAyotte in #35260
• Add a few operations from linear symplectic geometry by @tobiasdiez in #35354
• openblas: Update to 0.3.23 by @mkoeppe in #35371
• The Fusion Ring of the Drinfeld Double of a Finite Group by @dwbump in #35387
• Remove tag fetching in docker workflow by @tobiasdiez in #35417
• sage.categories: Add # optional for modularization; reformat doctests by @mkoeppe in #35422
• Adding bigraded Betti numbers functionality by @OP5642 in #35430
• Add ability to generate graphs based on correlations of sequences #25933 by @Bruno-TT in #35009
• src/doc/en/developer/portability_testing.rst: Update after migration by @mkoeppe in #35108
• Add parallel algorithm to Graph chromatic_number by @dcoudert in #35145
• Some typing and code tweaks in MZV by @fchapoton in #35567
• Details on complex reflection groups by @fchapoton in #35574
• Some details in commutative dga by @fchapoton in #35575
• Simplify some trivial iterations by @fchapoton in #35576
• Refactor: outsource methods in combinatorial polyhedron by @kliem in #35577
• Refactor: improve initialization of combinatorial polyhedron by @kliem in #35578
• sage.{topology,homology}: Modularization fixes by @mkoeppe in #35581
• Fix discrepancy in partitions between provided number and starting partition by @trevorkarn in #35582
• Support networkx 3.1 by @tornaria in #35584
• sage.geometry: Add some # optional, reformat doctests by @mkoeppe in #35586
• bootstrap-conda: Skip the dummy package _sagemath by @mkoeppe in #35589
• Implement twisted affine Lie algebras by @tscrim in #35591
• Fix Max=Min warning in coin interacts by @tobiasdiez in #35596
• Remove global sage.all import in pytest by @tobiasdiez in #35598
• src/doc/common/python3.inv: Update by @mkoeppe in #35608
• Check for empty string before trying to evaluate in _element_constructor by @nbruin in #35610
• Support linbox 1.7.0 and 1.6.3 at the same time by @tornaria in #35612
• Upgrade Maxima to 5.46.0 by @dimpase in #35619
• Animation.ffmpeg: Shell-quote filenames by @mkoeppe in #35622
• cython-linting of unused imports in modules and dynamics by @fchapoton in #35623
• Remove jupyter-packaging for conda by @tobiasdiez in #35627
• Implement the octonions by @tscrim in #35630
• Simplify some all(all(...)) in combinat and geometry by @fchapoton in #35631
• Use fixed random-seed in the "Build & Test" CI by @tobiasdiez in #35632
• Activating more pycodestyle checks by @fchapoton in #35634
• Support sympy 1.12 by @tornaria in #35635
• Fix typo in documentation by @antonmosich in #35641
• Avoid redundant computations in finite field .conjugate() method by @remyoudompheng in #35643
• sage.graphs: More # optional and other modularization fixes by @mkoeppe in #35647
• pkg-config should be _bootstrap, not _prereq, on all distros by @mkoeppe in #35407
• sage.rings: Reformat doctests, add # optional annotations by @mkoeppe in #35457
• Clear up left right confusion in ore_polynomial_element.pyx by @kwankyu in #35562
• Make EllipticCurve.lift_x() deterministic by @yyyyx4 in #35644
• Remove abuse of predefined x in doctests by @mkoeppe in #35648
• Fix bug caused by cached representation in cohomology classes by @miguelmarco in #35650
• Installation guide: Document workaround for Jupyter server port clash on WSL by @mkoeppe in #35651
• Cleanup and details in finite_word.py by @fchapoton in #35657
• Fix build with sphinx 7 by @antonio-rojas in #35658
• CI Linux: Update platforms by @mkoeppe in #35660
• SymPy 1.12 upgrade by @mkoeppe in #35662
• Changing the knot theory PD-code convention by @soehms in #35665
• cython-lint: removing unused imports in polynomials by @fchapoton in #35672
• cylint: remove unused imports in pyx files in folders a*-geo* by @fchapoton in #35673
• cylint: remove unused imports in graphs, groups, interacts by @fchapoton in #35674
• cylint: remove unused imports in matrix folder by @fchapoton in #35675
• Some pep8 in elliptic curves by @fchapoton in #35677
• Fix building the Singular docstring dict when Singular info is built with recent texinfo by @antonio-rojas in #35678
• Register magic modes for lazy imported interfaces by @miguelmarco in #35680
• Deprecation warning for #34880 by @yyyyx4 in #35683
• Unify input of matrices and vectors by @dkrenn in #35685
• Fixing a lot of pycostyle warnings in calculus folder by @fchapoton in #35686
• Some fixes for pycodestyle E275 by @fchapoton in #35687
• cython-lint: removed many unused imports in rings/ by @fchapoton in #35688
• cylint: remove unused imports in folders [s-z]* by @fchapoton in #35689
• Correct spelling in permgroup_named: Diyclic => Dicyclic by @dwbump in #35694
• Fix incorrect linear branch number for non-invertible SBox by @rusydi in #35695
• cylint: remove imports in misc/ by @fchapoton in #35697
• Fix corner case of ordered set partitions iteration by @videlec in #35700
• GAP: fix definition of 'Int' by @fingolfin in #3570...

10.0

SageMath version 10.0 (released May 20, 2023)

Release Notes

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

Release Tour 10.0

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 cha...

9.8

SageMath version 9.8 (released Feb 11, 2023)

Release Notes

• first release after our move from Trac to GitHub
• adds support for Python 3.11, removes support for GCC older than 8
• major new solvers, major package upgrades
• 402 tickets/PRs merged

Sage 9.8 Release Tour

What's Changed

Merged in sage-9.8.beta0:

#12696: Lorenz Panny: rename .rational_reconstruct() to .rational_reconstruction() for consistency [Reviewed by Kwankyu Lee]
#17965: Frédéric Chapoton: Uniformize the API to compute the inverse of an element [Reviewed by Travis Scrimshaw]
#20467: Frédéric Chapoton: stackoverflow in Maxima integral [Reviewed by Nils Bruin]
#29619: Matthias Koeppe: Matrix and Components should have a sparse iterator [Reviewed by Eric Gourgoulhon]
#30229: Matthias Koeppe: Submodules of TensorFreeModule defined by the symmetries of a Components object [Reviewed by Eric Gourgoulhon]
#30241: Matthias Koeppe: New implementation class FiniteRankDualFreeModule [Reviewed by Eric Gourgoulhon]
#32297: Linden Disney-Hogg: Abel-Jacobi map on Riemann surfaces [Reviewed by Nils Bruin, Travis Scrimshaw]
#32669: Dennis Jahn: Adding upper and lower Bruhat cones of M. Dyer to sage/combinat/root_system/reflection_group_real.py [Reviewed by Frédéric Chapoton, Travis Scrimshaw]
#32921: Gabriel F. Lipnik: k-recursive sequences with inhomogeneities [Reviewed by Clemens Heuberger]
#33002: Sébastien Labbé: Method tikz of polyhedron class can now return an object of type TikzPicture [Reviewed by Laith Rastanawi]
#33062: Matthias Koeppe: GH Actions (docker): Run a job for "make build-local" first, cache image for job "make build" [Reviewed by Dima Pasechnik]
#33093: John Palmieri: 5 doctests failing related to external program octave [Reviewed by Frédéric Chapoton]
#33431: Matthias Koeppe: Category of submodules of sage.modules.free_module.FreeModule_ambient_pid [Reviewed by Travis Scrimshaw]
#33613: Matthias Koeppe: Add pip packages to conda environments, add missing conda.txt files [Reviewed by Dima Pasechnik]
#33640: Frédéric Chapoton: sage fails to factor some easy expressions [Reviewed by David Lowry-Duda]
#33981: Matthias Koeppe: latte_int: ExponentialSubst.h:62:3: error: ISO C++17 does not allow dynamic exception specifications [Reviewed by John Palmieri]
#34118: Oscar Benjamin, Matthias Koeppe: Update sympy to 1.11.1 [Reviewed by Matthias Koeppe, Antonio Rojas, Eric Gourgoulhon]
#34195: Matthias Koeppe: sage.geometry.polyhedron: More # optional - sage.rings.number_field [Reviewed by Jonathan Kliem]
#34203: Matthias Koeppe: Find and uninstall broken installed SPKGs and wheels [Reviewed by John Palmieri]
#34228: Matthias Koeppe: tox -e docker-...-incremental [Reviewed by Dima Pasechnik]
#34235: Matthias Koeppe: Error in comparing two Symbolic Ring elements [Reviewed by Travis Scrimshaw]
#34242: Julian Rüth: Update docker build [Reviewed by MartinPepin]
#34266: Matthias Koeppe: Drop support for GCC < 8 in Sage 9.8 [Reviewed by Dima Pasechnik]
#34282: Sebastian Oehms, Kwankyu Lee: Make feature TeXFile check latex first [Reviewed by Kwankyu Lee, Sebastian Oehms]
#34287: Frédéric Chapoton: modernize super in crystals and asymptotics [Reviewed by Travis Scrimshaw]
#34290: Frédéric Chapoton: fix some W391 [Reviewed by Travis Scrimshaw]
#34313: David Coudert: pycodestyle cleanup in strongly_regular_db.pyx (part 3) [Reviewed by Kwankyu Lee]
#34320: Frédéric Chapoton: fix E251 in schemes [Reviewed by David Coudert]
#34323: Frédéric Chapoton: fix E251 in groups [Reviewed by David Coudert]
#34342: Frédéric Chapoton: fix various suggestions by lgtm [Reviewed by David Coudert]
#34345: Trevor K. Karn: Method to get cells in horizontal/vertical border strip [Reviewed by Travis Scrimshaw]
#34350: Travis Scrimshaw: speed up powers of lazy Taylor series [Reviewed by Martin Pepin]
#34379: Travis Scrimshaw: Implement a hook to access free (graded) resolutions [Reviewed by Kwankyu Lee]
#34393: Frédéric Chapoton: add method "tensor_factors" to tensor products [Reviewed by Matthias Koeppe, Travis Scrimshaw]
#34412: Travis Scrimshaw: q-commuting polynomials [Reviewed by Frédéric Chapoton]
#34427: Matthias Koeppe: TensorFreeModule.isomorphism_with_fixed_basis [Reviewed by Eric Gourgoulhon]
#34449: Matthias Koeppe: Add package pyproject_metadata [Reviewed by François Bissey]
#34451: Matthias Koeppe: sage.tensor: Canonicalize sym, antisym [Reviewed by Eric Gourgoulhon]
#34453: Travis Scrimshaw: Tensor products of commutative algebras do not know they are commutative rings [Reviewed by Frédéric Chapoton]
#34466: Lorenz Panny: fix various linter errors [Reviewed by Frédéric Chapoton]
#34467: Lorenz Panny: fix random doctest failure in EllipticCurveHom_velusqrt [Reviewed by Kwankyu Lee]
#34474: Eric Gourgoulhon: Make FiniteRankFreeModule.tensor_module(0, 1) return the dual [Reviewed by Matthias Koeppe]
#34478: Matthias Koeppe: pynormaliz: Add distros information for conda, arch [Reviewed by Isuru Fernando]
#34484: Matthias Koeppe: Methods quotient, quotient_module are not the same for some modules from sage.modules [Reviewed by John Palmieri, Travis Scrimshaw]
#34490: Thierry Monteil: sage --package clean command to remove outdated source tarballs [Reviewed by David Coudert]
#34491: Matthias Koeppe: Upgrade igraph to 0.9.10 [Reviewed by David Coudert]
#34494: Frédéric Chapoton: better monomials in shuffle algebras [Reviewed by Travis Scrimshaw]
#34495: Matthias Koeppe: Construction for invariant/equivariant submodules [Reviewed by Travis Scrimshaw]
#34498: Matthias Koeppe: Update igraph, python_igraph to 0.10.x [Reviewed by David Coudert]
#34505: Frédéric Chapoton: using items in indexed_elements.pyx [Reviewed by Travis Scrimshaw]
#34509: Matthias Koeppe: Make IndexedFreeModuleElement compatible with collections.abc, change method support to return a SupportView [Reviewed by Travis Scrimshaw]
#34510: Trevor K. Karn: Add to check for fixed total/length in IntegerVector [Reviewed by Travis Scrimshaw]
#34514: David Roe: Incorrect decomposition type for relative number fields [Reviewed by Travis Scrimshaw]
#34519: Marc Mezzarobba: Fix + extend msolve interface [Reviewed by Matthias Koeppe]
#34527: Trevor K. Karn: Make Compositions into a collections.abc.Sequence [Reviewed by Travis Scrimshaw, Matthias Köppe]
#34535: Trevor K. Karn: Segfault when floor dividing in infinite polynomial ring [Reviewed by Travis Scrimshaw]
#34541: Frédéric Chapoton: enhance free dendriform algebras [Reviewed by Travis Scrimshaw]
#34561: Jan Groenewald: Documentation: There is no package in debian/ubuntu called openssh [Reviewed by Matthias Koeppe]
#34568: Frédéric Chapoton: rename example to QuaternionicProjectivePlane [Reviewed by John Palmieri]

Merged in sage-9.8.beta1:

#21129: Paul Fili, Holly Krieger, Jing Guo: Arakelov-Zhang pairing of rational maps [Reviewed by Alexander Galarraga]
#25046: Lorenz Panny: Add warning for is_prime(n) that produce correct but unexpected output [Reviewed by Kwankyu Lee]
#31664: Matthias Koeppe: Add package msolve 0.4.4 (multivariate polynomial system solver) [Reviewed by Marc Mezzarobba]
#32483: Matthias Koeppe: Remove workarounds for packages that use flit_core or poetry_core as build system [Reviewed by John Palmieri]
#33805: Dima Pasechnik: use Homebrew's primecount [Reviewed by Matthias Koeppe]
#33812: Matthias Koeppe: Refactor distributions sagemath-{objects,categories} through sagemath-{environment,repl} [Reviewed by Kwankyu Lee]
#33850: Sophia Elia: Unstable doctests in equivariant Ehrhart methods [Reviewed by Matthias Koeppe]
#33999: Xavier Caruso: Reduced charpoly for skew polynomials [Reviewed by Travis Scrimshaw, Frédéric Chapoton]
#34110: Matthias Koeppe: numpy 1.23.x [Reviewed by Dima Pasechnik, John Palmieri]
#34212: Jing Guo: log_embedding for number field elements [Reviewed by Alexander Galarraga]
#34272: Matthias Koeppe: Update pip to 22.2.2 [Reviewed by Kwankyu Lee]
#34314: David Coudert: pycodestyle cleanup in strongly_regular_db.pyx (part 4) [Reviewed by Matthias Koeppe]
#34344: Matthias Koeppe: Update setuptools 63.4.3, setuptools_wheel 65.x, tomlkit 0.11.4, importlib_resources 5.9.0, importlib_metadata 4.12.0, distlib 0.3.6, hatchling 1.10.0, pathspec 0.10.1 [Reviewed by John Palmieri]
#34358: David Coudert: pycodestyle cleanup in src/sage/graphs/generic_graph.py (part 4) [Reviewed by Kwankyu Lee]
#34375: Travis Scrimshaw: Replace sage.algebras.yangian.GeneratorIndexingSet with cartesian_product [Reviewed by Matthias Koeppe]
#34383: Martin Rubey: revert for LazyTaylorSeries and LazySymmetricFunction is missing [Reviewed by Travis Scrimshaw]
#34392: David Coudert: pycodestyle cleanup in src/sage/graphs/generic_graph.py (part 5) [Reviewed by Matthias Koeppe]
#34409: Lorenz Panny: remove experimental warning for composite elliptic-curve isogenies [Reviewed by Kwankyu Lee]
#34413: Martin Rubey: implement derivatives of lazy series [Reviewed by Travis Scrimshaw]
#34422: Martin Rubey: implement functorial composition of lazy symmetric functions [Reviewed by Travis Scrimshaw]
#34423: Martin Rubey: implement arithmetic product of lazy symmetric functions [Reviewed by Travis Scrimshaw]
#34432: Samuel Lelièvre: Upgrade: jupyter-packaging 0.12.3 [Reviewed by Matthias Koeppe]
#34435: Trevor K. Karn: Add method to trim trailing zeros from IntegerVector [Reviewed by Travis Scrimshaw]
#34448: Matthias Koeppe: Put tensor modules of FiniteRankFreeModule in Modules().TensorProducts() [Reviewed by Eric Gourgoulhon]
#34454: Matthias Koeppe: sage --package create: Add option --source wheel [Reviewed by Kwankyu Lee]
#34462: Kwankyu Lee: Uniformize the headline: finite rings [Reviewed by Matthias Koeppe]
#34465: John Palmieri: Invalid escape sequence in special.py [Reviewed by Dima Pasechnik]
#34468: Fr...

9.7

SageMath version 9.7 (released Sep 19, 2022)

Release Notes

• removes support for GCC older than 6.3, removes support for Python 3.7
• new code in algebra, number theory, elliptic curves; major package upgrades; new developer tools
• 549 tickets (PRs) merged, 92 contributors

Sage 9.7 Release Tour

changelog

9.6

SageMath 9.6 (released May 16, 2022)

Release Notes

• adds support for GCC 12; major package upgrades
• major improvements to user interface and graphics; new developer tools
• 497 tickets (PRs) merged, 83 contributors

Sage 9.6 Release Tour

changelog

9.5

SageMath version 9.5 (released Jan 30, 2022)

Release Notes

• adds support for Apple M1, Linux distributions using glibc ≥ 2.34, and system Python 3.10
• new code from 2021 Google Summer of Code projects in algebra and number theory
• 663 tickets (PRs) merged, 94 contributors

Sage 9.5 Release Tour

changelog

9.4

SageMath 9.4 (released Aug 22, 2021)

Release Notes

• adds support for GCC 11, removes support for Python 3.6
• major advances in symbolics, convex and differential geometry, knot theory, coding theory
• 442 tickets (PRs) merged, 73 contributors

Sage 9.4 Release Tour

changelog

9.3

SageMath 9.3 (released May 9, 2021)

Release Notes

• adds support for macOS 11 "Big Sur"
• major package upgrades
• 679 tickets (PRs) merged, 112 contributors

Sage 9.3 Release Tour

changelog