What's Changed

• Point README.rst badges to the new repo by @skirpichev in https://github.com/mpmath/mpmath/pull/660
• Restore testing doctests/docs on CI (broken by #537) by @skirpichev in https://github.com/mpmath/mpmath/pull/662
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/664
• Support underscores (PEP 515) by @skirpichev in https://github.com/mpmath/mpmath/pull/661
• Fix #647 by @Parcly-Taxel in https://github.com/mpmath/mpmath/pull/669
• PEP8 fixes by @cclauss in https://github.com/mpmath/mpmath/pull/665
• Add rationals converter for mpf() by @skirpichev in https://github.com/mpmath/mpmath/pull/666
• DEPS: drop py2 from test and doc, remove compat #594 by @fangchenli in https://github.com/mpmath/mpmath/pull/629
• Fix docs (README.rst and setup.rst) by @skirpichev in https://github.com/mpmath/mpmath/pull/670
• Propagate nan in ei_asymp() by @skirpichev in https://github.com/mpmath/mpmath/pull/672
• Correct odefunc() docstring by @skirpichev in https://github.com/mpmath/mpmath/pull/673
• Use codecov/codecov-action by @skirpichev in https://github.com/mpmath/mpmath/pull/674
• Drop support for Python versions < 3.8 by @skirpichev in https://github.com/mpmath/mpmath/pull/675
• Create CITATION.bib by @devharsh in https://github.com/mpmath/mpmath/pull/681
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/679
• update generator used for sparse matrix vector product by @tchen01 in https://github.com/mpmath/mpmath/pull/450
• Raise IndexError if matrix index out of bounds by @skirpichev in https://github.com/mpmath/mpmath/pull/689
• Run CI tests with pytest-xdist by @skirpichev in https://github.com/mpmath/mpmath/pull/685
• Fix nan handling in fp.mag() and hyper() by @skirpichev in https://github.com/mpmath/mpmath/pull/688
• Use pyproject.toml, depend on flake518, update version by @skirpichev in https://github.com/mpmath/mpmath/pull/684
• Add regression tests by @skirpichev in https://github.com/mpmath/mpmath/pull/693
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/687
• Correct pow() for mpf's to be consistent with mpfr/float's by @skirpichev in https://github.com/mpmath/mpmath/pull/690
• Avoid using star imports in tests and documentation by @skirpichev in https://github.com/mpmath/mpmath/pull/698
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/699
• Use math.isqrt in isqrt_python calculations by @haru-44 in https://github.com/mpmath/mpmath/pull/695
• Use gcd() from the bigint' backend by @skirpichev in https://github.com/mpmath/mpmath/pull/697
• Rewrite bernpoly/eulerpoly to avoid dependency on bernoulli(1) convention by @skirpichev in https://github.com/mpmath/mpmath/pull/700
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/701
• Drop private mpq class, use Rational's, provided by backend by @skirpichev in https://github.com/mpmath/mpmath/pull/691
• Change FPContext to use more functions from the stdlib by @skirpichev in https://github.com/mpmath/mpmath/pull/692
• Avoid dynamic method creation in _mpf by @skirpichev in https://github.com/mpmath/mpmath/pull/702
• Enable testing on CPython 3.12-dev by @skirpichev in https://github.com/mpmath/mpmath/pull/706
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/703
• Support randmatrix() for mp.iv and mp contexts by @MaxGaukler in https://github.com/mpmath/mpmath/pull/527
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/710
• Skip eigenvectors if left=right=False for one-dimentional matrix by @skirpichev in https://github.com/mpmath/mpmath/pull/713
• (Update on PR #543) Fixed TypeError in LU_comp, updated determinant docs and added rank function for matrices by @jan-philipp-hoffmann in https://github.com/mpmath/mpmath/pull/610
• Drop to_pickable()/from_pickable() helpers by @skirpichev in https://github.com/mpmath/mpmath/pull/667
• GitHub Actions: Upgrade to actions/checkout@v4 by @cclauss in https://github.com/mpmath/mpmath/pull/715
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/717
• Use bit_length() method instead of bitcount() by @skirpichev in https://github.com/mpmath/mpmath/pull/721
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/722
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/725
• Add plus flag to select the B_1 sign convention for bernoulli/bernfrac by @skirpichev in https://github.com/mpmath/mpmath/pull/724
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/731
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/735
• Remove sage backend by @skirpichev in https://github.com/mpmath/mpmath/pull/732
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/740
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/743
• Correct Dirichlet eta function definition by @paulmasson in https://github.com/mpmath/mpmath/pull/744
• prevent erroneous setting of dps/prec on mpmath module by @cbm755 in https://github.com/mpmath/mpmath/pull/678
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/747
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/750
• Fix choleksy_solve for complex matrix by @sunqm in https://github.com/mpmath/mpmath/pull/755
• Use setuptools_scm to update version by @skirpichev in https://github.com/mpmath/mpmath/pull/694
• Do not build depend on pip by @tornaria in https://github.com/mpmath/mpmath/pull/758
• Support binary/hexadecimal string output by @skirpichev in https://github.com/mpmath/mpmath/pull/711
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/759
• Improve pickling support by @skirpichev in https://github.com/mpmath/mpmath/pull/761
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/763
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/767
• Update README.rst by @ChefAharoni in https://github.com/mpmath/mpmath/pull/770
• Update README.rst by @ChefAharoni in https://github.com/mpmath/mpmath/pull/771
• Test against PyPy nightly builds by @skirpichev in https://github.com/mpmath/mpmath/pull/772
• sqrt(z): special case for infinite z.imag by @skirpichev in https://github.com/mpmath/mpmath/pull/777
• Correct atan2(±inf, ±inf) by @skirpichev in https://github.com/mpmath/mpmath/pull/775
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/778
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/782
• Deprecate current (descending) order of coefficients in polyval(), etc by @skirpichev in https://github.com/mpmath/mpmath/pull/779
• Handle infinite arguments in tan/tanh by @skirpichev in https://github.com/mpmath/mpmath/pull/785
• Misc fixes by @skirpichev in https://github.com/mpmath/mpmath/pull/783
• Run mpmath as a module for interactive work by @skirpichev in https://github.com/mpmath/mpmath/pull/773
• v1.4.0a1 by @skirpichev in https://github.com/mpmath/mpmath/pull/769

New Contributors

• @Parcly-Taxel made their first contribution in https://github.com/mpmath/mpmath/pull/669
• @fangchenli made their first contribution in https://github.com/mpmath/mpmath/pull/629
• @devharsh made their first contribution in https://github.com/mpmath/mpmath/pull/681
• @tchen01 made their first contribution in https://github.com/mpmath/mpmath/pull/450
• @haru-44 made their first contribution in https://github.com/mpmath/mpmath/pull/695
• @jan-philipp-hoffmann made their first contribution in https://github.com/mpmath/mpmath/pull/610
• @cbm755 made their first contribution in https://github.com/mpmath/mpmath/pull/678
• @sunqm made their first contribution in https://github.com/mpmath/mpmath/pull/755
• @tornaria made their first contribution in https://github.com/mpmath/mpmath/pull/758
• @ChefAharoni made their first contribution in https://github.com/mpmath/mpmath/pull/770

Full Changelog: https://github.com/mpmath/mpmath/compare/1.3.0...1.4.0a1