Release 26.04

26.04

• add documentation on recovering from burn failures (#1971)

• fix the step-rejection logic for increase in X over a step in VODE
  for SDC (#1968)

• make species_failure_tolerance a runtime parameter (#1969)

• update the JOSS paper (#1967)

• hybrid Powell solver updates: fix a NaN loop check (#1959),
  template on the Jacobian type (#1958), fix comments (#1957), fix
  the logic for refreshing the spectral radius (#1955)

• add an assert on the NSE table index (#1951)

• fix RKC compilation with NSE (#1956)

• CI action updates (#1942)

Release 26.03

26.03

• allow screening to output log(screening) (#1939)

• move EOS data to be inline (#1937)

Release 26.02

26.02

• update the NSE check for the self-consistent solver. The rate
  filtering is now handled by the network. The single_group check
  was also simplified. (#1932)

• CI updates (#1933, #1934)

• regenerate pynucastro networks to inline tabular rate and
  partition function data (#1931) and new derived rate formulations
  (#1906)

• work around ROCm bugs in nse_solver (#1936)

• NSE solver optimizations (#1928)

• add a print_jacobian function for debugging (#1929)

• remove NSE solver support for non-pynucastro nets (#1927)

• update the JOSS paper (#1926)

• optimize Chabrier screening (#1925)

• fix extra work in Helmholtz EOS init (#1924)

• add state validation to the corrector loop in BackwardEuler
  (#1922)

• small optimization of SDC integration (#1923)

• disable do_species_clip in the integrators by default and add
  some robustness to the VODE nonlinear solve (#1921)

• fix Apple Clang C++20 build (#1920)

• add an NSE integration test for CI (#1916)

• cppcheck fixes (#1915)

• enabled C++20 support (#1876, #1914)

• optimization of the Helmholtz EOS via templating out some
  calculations (#1910, #1912)

• some optimizations of the EOS composition (#1913)

• increase precision of output for burn failures (#1909)

• optimizations of screen5 (#1899)

• scope some variables in VODE (#1907)

• new unit test for cubic interpolation in pynucastro nets (#1891)

Microphysics 26.01

26.01

• eliminate an exp at the low end of screening (#1893)

• use constexpr_for in helmholtz to map into 3D arrays (#1904)

• clean up apply_electrons in the helmholtz EOS (#1903)

• remove compute_Q and rate= in the DerivedRate constructors
  for pynucastro nets (#1902)

• update networks with the latest pynucastro (#1886)

• update the github actions (#1900, #1901)

• some optimizations to helmholtz EOS (#1896)

• add kerg constant (#1895)

• allow test_sdc to build when NSE is not defined (#1894)
  and add support for self-consistent NSE (#1890)

• update python doc package requirements (#1892)

Release 25.12

25.12

• update CI actions (#1885)

• manually scale T in NSE solve to get better convergence (#1884)

• add loop unrolling to MathArray2D (#1872)

• add a check that integrator.ode_max_steps is positive (#1882)

• add energy and Ye output to the burn_cell unit test (#1883)

• regenerate pynucastro networks with caching of interpolation
  indices (#1879)

• allow for more species inputs in the unit tests (#1878)

• avoid a possible divide-by-zero in the NSE solver and add a
  species mass fraction floor (#1881)

• fix a bounds issue in the NSE solver (#1880)

• fix compiler warnings if neutrinos are disabled (#1856)

• add an ase-iron network for self-consistent NSE (#1860)

Release 25.11

25.11

• add support for reduced precision Jacobian (#1862)

• make some more quantities const / constexpr (#1864, #1866, #1871)

• add loop unrolling to linpack (#1865)

• update networks to pynucastro 2.8.0 (#1870)

• github CI action updates (#1874)

• fix the part_func network generation script (#1873)

• fix comment about Jacobian (#1861)

• remove symmetric_screening args in networks (#1859)

• doc improvements (#1855)

• use more concise method to eliminate rate duplicates in networks (#1854)

Microphysics 25.10

25.10

• update the NSE solver docs to explain network compatibility (#1852)

• the NSE solver is now more robust to negative (rho X) and avoiding
  division by zero (#1851)

• nova-li network was added, which builds on nova but includes Li and
  some heavier breakout nuclei (#1798)

• the script used for the He burning networks was relying on a shared reference
  between libraries. This script has been cleaned-up. (#1850)

• all pynucastro nets have been updated to fix a bounds issue in the
  partition functions (#1849)

• cno-he-burn-34am is a new CNO + He network that has a better choice of
  rates than the previous cno-he-burn-33a network. (#1819)

• The He burning networks have been updated to better connect odd-Z
  and even-Z nuclei using a modified rate. The names have been updated to
  reflect the changes. (#1788)

• pynucastro-generated networks are now importable from python, to aid in
  analysis (#1837)

• MacOS CI has been updated (#1848)

• CI action dependency version updates (#1847)

Release 25.09

25.09

• update MacOS CI (#1844)

• update github checkout action (#1842)

• specify the type for the enum in network_properties.H (#1841)

• add a new neutrino cooling implementation, based on simple analytic
  estimates from Kippenhahn (#1822, #1840)

Release 25.08

25.08

• work on the JOSS paper (#1838, #1839)

• remove old inputs files from pynucastro networks (#1836)

• updates to the NSE solver (#1829, #1833)

• fix string_view in some physics (#1832)

• new CI for validating JSON (#1831)

Release 25.07

25.07

• module string names are now constexpr std::string_view (#1825)

• doc updates (#1796, #1809, #1810, #1818, #1824, #1827, #1830)

• JOSS paper (#1658)

• the ASE network has been updated to better support NSE (#1813)

• hybrj now can take the Jacobian and constrain equations as input
  (#1817)

• remove amrex namespace (#1820)

• for He-burning nets, don't consider Suzuki rates in pynucastro
  (#1815)

• nse_sdc_burn has been updated for NSE_NET to give better NSE
  agreement with the networks (#1812)

• sneut5 now used autodiff (#1799, #1808)

• recombination neutrinos are now disabled by default in sneut5 (#1793, #1794)

• the nse_compatibility script has been updated (#1811)

• autodiff improvements and optimizations (#1803)

• enable more clang-tidy checks (#1807)

• clean up the nova network script (#1804)

• regenerate the non-He burning pynucastro nets (#1797)

• update sn160 to include tabular rates (#1805)

• update the constants to use the same CODATA values as pynucastro
  (#1802)

• allow constant temperature in the SDC burn (#1801)