4.0.9

Release for 4.0 N3LO hep-ph/2402.18635
Last release fully backwards-compatible with 4.0 pipeline. 4.0 runcards will still work but: external tools, data and theory not used in the 4.0 family of fits will no longer be guaranteed to work going forward.
Last release compatible with the old commondata format

This release is compatible with python 3.9, 3.10, 3.11

To install from conda you can use:

conda install nnpdf=4.0.9.0 -c conda-forge -c https://packages.nnpdf.science/public

or pip:

 python -m pip install git+https://github.com/NNPDF/nnpdf.git@4.0.9

Highlights

• The usage of cmake is now optional and only used to install the legacy version of evolven3fit and buildmaster (#1773, #1690)
• Commondata and the theorydb is installed as part of the python package (#1861)
• ${XDG_CONFIG_HOME}/NNPDF/nnprofile.yaml is now the default location for the NNPDF profile (#1861)
• Added the flag redo-regression in github to autogenerate regression tests (#1944)
• Misc changes and improvements to th variation plots (#1910)
• Fits without charm sumrule can be now performed with the sum_rules: "ALLBUTCSR" option (#1926)

Full set of changes and PRs

• point to the right db by @scarlehoff in #1919
• Include the theory covariance matrix in the chi2 by dataset by @andreab1997 in #1918
• Be less strict and more granular when defining inconsistent version by @scarlehoff in #1920
• Merge prefactors into single layer by @APJansen in #1881
• Add more regression tests by @scarlehoff in #1924
• Add an lhapdf_compatibility module for LHAPDF by @scarlehoff in #1799
• Change from defaults to forge, update workflows by @scarlehoff in #1932
• Add flag double_precision by @APJansen in #1929
• Extend th covmat plots by @giacomomagni in #1910
• add nFONLL alphas varariations to theorydb by @RoyStegeman in #1937
• Automatic port old commondata to the new format by @scarlehoff in #1931
• New Common Datasets by @scarlehoff in #1813
• Automate regression updates by @APJansen in #1944
• Multi dense layer by @APJansen in #1905
• Add Q0 varied theories by @niclaurenti in #1948
• Ttb dataset fixes by @t7phy in #1947
• Added lru caches to speed up validphys multi-replica initalization by @goord in #1945
• Remove bugged raise Error when using multiple covmats by @RoyStegeman in #1951
• Drop the sqr and label the y by @t7phy in #1952
• Parallel replicas with varying tr-vl masks by @goord in #1788
• drop figure_by when not required by @t7phy in #1953
• drop sys breakdown in favor of covmat by @t7phy in #1957
• Complete baseline theories for polarised fits by @Radonirinaunimi in #1954
• FHMRUVV N3LO fits by @giacomomagni in #1911
• Remove charm sumrule by @tgiani in #1926
• Add info about 4.0.9 tag + update fitbot by @scarlehoff in #1959
• Add a stable reference report by @scarlehoff in #1963

Full Changelog: 4.0.8...4.0.9

4.0.8

Minor changes and bugfixing with respect to 4.0.7 in preparation for the final releases of the QED and MHOU PDFs.

• QED PDFs published as: "Photons in the proton: implications for the LHC" 2401.08749

• MHOU PDFs published as: "Determination of the theory uncertainties from missing higher orders on NNLO parton distributions with percent accuracy" 2401.10319

This tag can be used to reproduce the PDF sets released alongside the two papers above and which can be found in the NNPDF website:

• MHOU
• QED

What's Changed

• Theories added (799, 800, 803)
• [bot] Add conda environment for tag 4.0.7 by @github-actions in #1892
• also upload conda package if push corresponds to a tag creation by @RoyStegeman in #1897
• Fix dataset/prediction ordering problem in theory covmat creation by @RoyStegeman in #1899
• add description of 4.0.7 release to docs by @RoyStegeman in #1900
• Restore needed thcovmat functions by @andreab1997 in #1901

Bugfixes

• Fix alphaem running by @niclaurenti in #1906
• make vp-nextfitruncard use Q0 instead of Qmin for iterating preprocessing by @niclaurenti in #1898

For the whole list of changes, see the tag for 4.0.7

Full Changelog: 4.0.7...4.0.8

Version 4.0.7

A pre-release for testing purposes that contains sets up all the functionality needed for the QED, MHOU and N3LO variants of NNPDF4.0.

What's Changed

• Enable conda package for 3.11 (#1890) @scarlehoff
• Add theory 390 for Leading Order (#1891) @scarlehoff
• Set to 0 not active flavours (#1884) @scarlehoff
• update fitbot reference (#1883) @RoyStegeman
• Add --legacy40 flag for evolven3fit_new to use the grid for nf=3 instead of nf=4 (#1879) @scarlehoff
• Add N3LO as varied theories (#1878) @giacomomagni
• Add two extra colors (#1876) @scarlehoff
• Allow photon PDF to reports (#1875) @niclaurenti
• Set deadline=None for test_kitable_with_cuts (#1873) @scarlehoff
• Set reportengine version ==0.30.28 (#1872) @scarlehoff
• Fix typo in validphys (#1870) @niclaurenti
• Add qcd exa to theory.db as theory 798 (#1857) @niclaurenti
• Raise a ValueError when the central value is outside of the percentiles (#1868) @scarlehoff
• calculate only predicitons for rep0 in thcovmat construction (#1863) @RoyStegeman
• Add a new plot_fancy_dataspecs and chi2 distributions with scale variations (#1830) @scarlehoff
• [bot] Add conda environment for tag 4.0.7 (#1851) @github-actions
• run black isort on recently edited files (#1848) @RoyStegeman
• N3LO fits with IHOU (#1698) @giacomomagni
• Raise an exception when use_pdferr is used together with plot_fancy (#1844) @scarlehoff
• some cosmetic fixes of things that bothered me (#1845) @RoyStegeman
• update pineappl dependency to 0.6.2 (#1842) @RoyStegeman
• remove qed input from ekobox.apply.apply_pdf (#1841) @RoyStegeman
• Generic hessian PDF covmat (#1831) @comane
• update postivity commondata (#1839) @RoyStegeman
• Remove NNLO specific cuts (#1835) @andreab1997
• Restart hyperopt (#1824) @Cmurilochem
• nFONLL theory indices up to and including 721 (#1810) @andreab1997
• Remove unused functions in photon module (#1833) @niclaurenti
• Update PLOTTING_ATLAS_Z_TOT_13TEV.yaml (#1827) @enocera
• add scale variations IDs for theory 600 (#1823) @t7phy
• Exa couplings2 (#1806) @niclaurenti
• Miscelaneous bugfixes (matplotlib & futuretests) (#1809) @scarlehoff
• Allow added cuts (#1745) @Zaharid
• Documentation for reportengine (#1804) @comane
• Test with less tests (#1805) @scarlehoff
• Add --lite option to vp-comparefits for quick comparisons (#1801) @scarlehoff
• Raise an exception if after many tries the replicas are still negative (#1790) @scarlehoff
• Use evolven3fit_new with the fitbot (#1789) @scarlehoff
• Fix regression tests for arclengths (#1791) @scarlehoff
• Add produce_eko_photon to evolven3fit_new (#1778) @niclaurenti
• Intermediate merge of Aron's stuff (#1775) @goord
• Refactoring model creation code (#1734) @APJansen
• Change fiatlux_dis_F{2,L} -> FIATLUX_DIS_F{2,L} (#1774) @niclaurenti
• Alpha variation but same thcovmat (#1768) @andreab1997
• Change also luxset with vp-nextfitruncard (#1767) @niclaurenti
• Add theory 527 and extend comments in theories 522, 523, 524, 525, 526 (#1766) @niclaurenti
• Separate DY_CC and DY_NC from DY in nnpdf31_process (#1760) @andreab1997
• Avoid using resources at the module level (#1763) @niclaurenti
• Add luminosity channels (#1762) @Zaharid
• QED tests (#1738) @niclaurenti
• Allow categorical variables in smpdf plots (#1715) @Zaharid
• Enable nf=3 with evolven3fit_new. (#1754) @scarlehoff
• Getting latest master changes (#1759) @goord
• Allow different matching scale for the photon (#1751) @niclaurenti
• Hessian PDF Covariance Matrix for theory predictions (#1743) @comane
• Tests for evolven3fit_new and lhapdf .info files. (#1746) @scarlehoff
• Fixes to prepare the code for pandas 2.0 (#1747) @scarlehoff
• Evolven3fit new w eko 0.13 (#1742) @giacomomagni
• Re-style codebase: validphys (#1737) @scarlehoff
• add .git-blame-ignore-revs (#1736) @RoyStegeman
• Add photon (#1643) @niclaurenti
• Make pineparser handle optimized fktables (#1716) @andreab1997
• Closure test L1 consistency in random noise generation (#1695) @comane
• nnpdf without pyplot imports (#1723) @comane
• Fixing logs of evolven3fit_new (#1731) @andreab1997
• Change the fitbot solver to libmamba (#1725) @scarlehoff
• futureproofing: make dropna keyword based (#1713) @RoyStegeman
• Positivity constraints for c and cbar (#1697) @enocera
• Remove replica selector functionality (#1703) @Zaharid
• Update recommended pylintrc (#1701) @Zaharid
• Added EXA theory (250) (#1689) @enocera
• k-factors for new theories (#1677) @giacomomagni
• Fix label of absolute uncertainty plots (#1692) @Zaharid
• Remove libNNPDF from python (#1680) @scarlehoff
• vp-comparefit issue, due to arclength errors (#1681) @comane
• Keep name of target dataset (avoid reutilizing fktables) (#1688) @scarlehoff
• Move xgrid back to n3fit (#1686) @scarlehoff
• Update to the plot (#1685) @scarlehoff
• Python closure sampling (with the only python commondata branch) (#1660) @scarlehoff
• Substitution of apfel with eko in evolven3fit (#1537) @andreab1997
• Use ndata instead of len (#1675) @scarlehoff
• Tensorflow in macos (#1673) @scarlehoff
• only build docs for 3.9 (#1671) @scarlehoff
• Build for Python 3.10 (#1628) @Zaharid
• Save pseudodata by default (#1669) @RoyStegeman
• Fix penalties and add tests (#1668) @scarlehoff
• Use python CommonData (#1650) @scarlehoff

New Features

• Multi dense logistics (#1818) @APJansen
• Order dataset differences by name of the commondata (#1867) @scarlehoff
• FTDY maxTau cuts in runcard (#1733) @andreab1997
• Add a pyproject.toml (#1710) @scarlehoff
• Mix bands and replicas (#1607) @scarlehoff
• read NN output size for hyperscan from runcard (#1696) @RoyStegeman
• Evolve n3fit with eko 0.12 (#1694) @giacomomagni

Bug fixes

• add explicit cut for FONLL-E (#1874) @giacomomagni
• bugfix with stopping (#1820) @APJansen
• correct sorting and indexing of level1 data (#1765) @comane
• don't print msr layer summary if msr not enforced (#1795) @RoyStegeman
• Fix custom_group processing (#1753) @Zaharid
• Fix Q2grid in evolven3fit_new (#1750) @giacomomagni
• Fix calling of fiatlux (#1749) @niclaurenti
• multiclosure internal dataset loader should use t0_covmat_from_systematics (#1719) @comane
• reintroduce AlphaS_* attributes in the PDF class and add a test of alpha_s_bundle_pdf (#1714) @RoyStegeman

Documentation

• remove mention that vp-setupfit doesn't always have to be the first step (#1771) @RoyStegeman
• Update styling docs (#1740) @RoyStegeman
• add use_scalevar_uncertainties to loading custom comvat docs (#1712) @RoyStegeman
• add version 4.0.6 to releases list in docs (#1670) @RoyStegeman

Workflow

• use mamba in docker construction (#1850) @RoyStegeman
• add skip_magic_trailing_comma to black config (#1828) @RoyStegeman
• Mamba ci (#1793) @APJansen

Refactoring

• Move replica axis to front everywhere (#1877) @APJansen
• Multi dense logistics (#1818) @APJansen
• Refactor stopping (#1792) @APJansen
• Refactor msr (#1781) @APJansen
• Refactor rotations (#1780) @APJansen
• Refactor preprocessing (#1777) @APJansen
• Refactor xintegrator (#1779) @APJansen
• Implement FkRotation as subclass of Rotation by rewriting using a rotation tensor (#1772) @APJansen

Version 4.0.6

This is the last version that uses C++ objects in n3fit or validphys. It is also anticipated to be the last release that utilizes apfel for PDF evolution.

At the same time, it is the first version that includes a pineappl parser. pineappl is expected to become the main provider of theory predictions.

What's Changed

• add ccbar assym basis (#1658) @RoyStegeman
• Change numpy to python for int, float and bool. (#1653) @scarlehoff
• Update docs in vpinterface (#1640) @scarlehoff
• Train on 1-point datasets (#1636) @scarlehoff
• ccbar asymmetry (#1629) @tgiani
• Fix to #1637 (#1638) @scarlehoff
• Simplify MetaModel input handling (#1625) @Zaharid
• Adding filter rule to remove one linearly dependent bin from the CMS 2D top distribution (#1633) @enocera
• Remove additional t0 flags (#1626) @Zaharid
• Add flag for the derivative of thePDF (#1605) @scarlehoff
• Kinetic energy of the pdf (#1606) @scarlehoff
• Fix legend of the replica distribution plot (and experiments_chi2_stats) (#1612) @scarlehoff
• Implemented function to compute asymptotic exponents (#1581) @enocera
• Add t0 chi2 to comparefitsreport (#1613) @RoyStegeman
• Fix overfitmetric in comparefits (#1611) @scarlehoff
• Prevent offset in plot axis values (#1608) @RoyStegeman
• Update fitbot (#1604) @scarlehoff
• Top data fixes (#1602) @enocera
• update overfit metric fit (#1603) @scarlehoff
• update code citation with EPJC info (#1592) @RoyStegeman
• Evaluate only unique xgrids (#1587) @scarlehoff
• Raise an exception for wrongly loaded positivity or integrability datasets (#1591) @scarlehoff
• Add NLO and NNLO sv theories in db (#1589) @andreab1997
• Revert format (#1590) @Zaharid
• Enable positivity/integrability pineappl grids (#1585) @scarlehoff
• Validphys with pineappl rebased to master (#1578) @scarlehoff
• add plotting action for lumi1d per replica (#1580) @RoyStegeman
• Fit with theory covmat with n3fit (#1528) @andreab1997
• Decorrelation models (#1571) @enocera
• Bugfix for kfolds (#1572) @scarlehoff
• Use <fitname>.json by default and deprecate the .fitinfo file. (#1546) @scarlehoff
• [bot] Add conda environment for tag 4.0.5 (#1567) @github-actions

New Features

• Add overfit metric to vp (#1573) @RoyStegeman

Bug fixes

• Fixed normalised data-theory comparison errors (#1665) @J-M-Moore
• replace depricated np.asscalar with .item() (#1659) @RoyStegeman
• fixed bug following from introduction of parse_fakepdf in config.py (#1654) @comane
• fix default elements for ccbar_asymm basis (#1649) @tgiani
• bufix: use fakepdf to generate pseudodata instead of t0pdfset (#1647) @RoyStegeman
• Fixing the grouping and the thcovmat flag (#1588) @andreab1997
• Fix bugs in closuretest (#1570) @VLTSML26

Documentation

• Personnel update (#1593) @enocera
• Simplify docs of convolution module (#1569) @Zaharid
• Add note on 4.0.5 release (#1568) @Zaharid

Refactoring

• Separate xgrid and model generation within model trainer (#1644) @scarlehoff

Version 4.0.5

This is the last release that supports the older C++ based nnfit code on which the NNPDF 3.1 sets were based. Support for nnfit will be disabled in future releases.

In addition many minor features and bugfixes were added to the code. Many features were ported from C++ to Python. The detailed changelog is below.

New Features

• Additional closure test histograms (#1321) @wilsonmr
• Add metadata groups to closure tables (#1324) @wilsonmr
• Delta chi2 table by group (#1329) @wilsonmr
• Return all members when using MC PDFs (#1522) @scarlehoff
• adjust hyper_scan step sizes (#1534) @RoyStegeman
• use error_members instead of rawdata (#1517) @scarlehoff
• Utilize stats everywhere where it can be used (#1515) @scarlehoff
• Use python convolutions also for positivity predictions (#1510) @scarlehoff
• Add tests for PDF-obs and obs-obs correlations (#1509) @scarlehoff
• Swap libNNPDF LHAPDFSet for a python PDF object (#1501) @scarlehoff
• Add a fallback to using all points for reports that are using old fits with bad filters. (#1506) @scarlehoff
• Add tests for sum rules (#1507) @scarlehoff
• Handle corrupt figures in report indexing (#1483) @Zaharid
• Access the PDF info explicitly (#1499) @scarlehoff
• Use python covmat in multiclosure tests (#1489) @scarlehoff
• Alphas theories: alphas=0.114,0.115,0.121,0.122 and PDF4LHC21 alphas=0.117,0.119 (#1492) @enocera
• Improve postfit error message (#1485) @Zaharid
• Change ThPredictions to python predictions (#1430) @scarlehoff
• CMS high-mass Drell-Yan at 13 TeV (#1192) @voisey
• Dispatching Python covariance matrices (#1477) @siranipour
• Add a single data point dataset to the tests (#1473) @scarlehoff
• Add a regresion thprediction test for a hessian PDF (#1469) @scarlehoff
• Disable spinner in non interactive mode (#1467) @Zaharid
• mc variations (#1464) @enocera
• Swap the libnnpdf profile for a python dictionary holding all relevant information (#1428) @scarlehoff

Bug fixes

• Fixed chi2 with thcovmat in report (#1560) @andreab1997
• Improve remote keyword functionality (#1561) @Zaharid
• Fix info file of mc2hessian (#1551) @scarlehoff
• updating server path (#1539) @scarrazza
• Fixed bugs of previous theorycovariance runcards and added new working runcards (#1524) @andreab1997
• Bugfix hyperopt integrability penalty (#1533) @RoyStegeman
• Fix callers of group_chi2_table (#1525) @Zaharid
• Make saved pseudodata match fitted pseudodata (#1514) @scarlehoff
• do what genrep says in makereplica (#1494) @scarlehoff
• Fix example runcard (#1488) @scarlehoff
• In process_function take nnpdf31_process from PLOTTING_*.yaml (#1472) @RoyStegeman
• Fix pseudodata indexing mismatch (#1466) @siranipour
• Fix undefined behaviour in buildmater number parsing (#1465) @enocera
• Changed reserve -> resize in FutureColliders.cc in buildmaster (#1461) @J-M-Moore
• rename meta/integ files (#1456) @RoyStegeman
• Fixing buildmaster compilation (#1453) @enocera

Documentation

• Add note on t0 usage (#1563) @Zaharid
• Improve documentation on regularized covmats (#1562) @Zaharid
• Documentation madgraph+amcfast (#1518) @enocera
• Add an overview of loss functions to the documentation (#1495) @RoyStegeman
• Add documentation on adding citations to Sphinx (#1497) @Zaharid
• [bot] Add conda environment for tag 4.0.4 (#1450) @github-actions
• mention rolling release in README (#1454) @RoyStegeman
• Add short description of 4.0.4 release (#1451) @Zaharid

Worflow

• libnnpdf/wrapper: don't try to install to system PYTHONPATH (#1566) @veprbl
• Enable python 3.9 and mamba build (#1463) @scarlehoff

Refactoring

• Access the PDF info explicitly (#1499) @scarlehoff
• Changing functions which are still using NNPDF pseudodata (#1424) @scarlehoff

Version 4.0.4

This is an incremental bugfix release.

The main highlights are:

• Fix a bug in integrated luminosity plots #1442.
• Code for ancillary NNPDF 4.0 analysis (such as Hessian conversion #1344, Nf=4 re-evolution #1422, or alpha_s errors bundling #1340).
• User facing documentation, including for reproducibility of 4.0 the analysis (#1378)

Additional changes include:

• A bug in the evolution basis definition #1445, of no consequence to existing analyses was fixed (thanks to @msyan!).
• Enhancements to hyperoprimization allowing it to work on estimators depending on a full fit (#1316).
• Some work on moving features implemented in C++ to python (e.g. #1268).
• Tweaks and enhancements to various plotting functions, as well as new spider diagrams (#1194).
• Automation using Github Actions, to for example produce release Doceker images (#1390).

The full list of changes is included below.

What's Changed

New Features

• Improve varflavors script (#1422) @Zaharid
• Compute 1D luminosities with a rapidity cut (#1439) @enocera
• Add fit-based targets to hyperparameter optimization (#1316) @scarlehoff
• Speed up convolution (#1435) @scarlehoff
• Use internal cuts in tests with predictions (#1429) @scarlehoff
• Add integrability datasets for valence pdfs (#1412) @RoyStegeman
• adding --theory_id flag to evolven3fit (#1346) @scarrazza
• Add modified_tanh activation function (#1411) @RoyStegeman
• Add toggle to remove 68% legend labels (#1406) @Zaharid
• Improving reading and recreating fit pseudodata (#1328) @siranipour
• Adding spider plot for dataspecs groups (#1398) @siranipour
• Bump reportengine version (#1399) @Zaharid
• Saving new python pseudodata during fit (#1333) @siranipour
• Added separate theory for iterated K-factors (#1396) @enocera
• Hyperoptimization: take trials from a previous run (#1314) @scarlehoff
• Added scalar functions to plot d/u and dbar/ubar ratios (#1365) @enocera
• Adding action to bundle PDFs (#1340) @siranipour
• MC2Hessian in vp (#1348) @RoyStegeman
• General theory covmat (#991) @RosalynLP
• Create a hyperscan resource (#1313) @scarlehoff
• remove formatting of pdf scale in title - use default python format (#1327) @wilsonmr
• Making n3fit use python covmats (#1285) @siranipour
• impose_sumrules default setting (#1322) @RoyStegeman
• Modify vp-comparefits interface (#1312) @scarlehoff
• update matplotlib hatch style (#1317) @RoyStegeman
• At least 1d central values for t0 predictions (#1305) @siranipour
• Cleaner CommonData repr (#1310) @siranipour
• Plot higher mx data by default (#1308) @Zaharid
• Making n3fit use python pseudodata (#1268) @siranipour
• Allow the n3fit-vp interface to make use of more than 1 members (#1251) @scarlehoff
• Generate replicas when fitting models in parallel (#1261) @scarlehoff
• Create spider/radar diagram for comparing chi2s between fits (#1194) @RosalynLP

Bug fixes

• Fix bug in the definition of the 1D luminosity. (#1443) @enocera
• fixing T24 and V24 definition in vp (#1445) @tgiani
• Fix for smpdf (#1437) @scarlehoff
• Fixing training mask tables (#1423) @siranipour
• Collecting over cuts context for pseudodata (#1418) @siranipour
• Fix to check_cuts_considered (#1419) @scarlehoff
• Collect over groups to arrange groups_chi2 table (#1352) @siranipour
• Fix some problems in spider plots (#1389) @Zaharid
• Fix commodata loader bug (#1415) @RoyStegeman
• remove space at beggining of line in pdfas header (#1404) @RoyStegeman
• Fixed typo in PDF4LHC21 basis (#1393) @enocera
• fix default value in postfit help (#1391) @RoyStegeman
• Fix hyphotesis timeout (#1383) @scarlehoff
• Correcting kinematics override for DY datasets (#1357) @siranipour
• change header replica0 (#1342) @RoyStegeman
• Fix regressions by specifying dtype (#1336) @siranipour
• Recover overfit option for partitions (#1330) @scarlehoff
• Fixing memory leaks in buildmaster (#1300) @enocera
• Fixing buildmaster leaks round 2 (#1318) @scarrazza
• Correcting syntax in PLOTTING_POSDYU.yaml (#1307) @RosalynLP
• Fix potential bug in read_fit_pseudodata (#1249) @RosalynLP
• Make fitting theory covmat with indices aligned with experiment covmat (#1232) @RosalynLP
• Fix vp-deltachi2 by changing experiments to datasets inputs (#1292) @scarlehoff

Documentation

• Update resources for tests, examples and documentation to be NNPDF4.0 based (#1440) @scarlehoff
• Add warning on compatibility of Hessian sets (#1441) @Zaharid
• Fix make_replica example (#1425) @siranipour
• Fixing pseudodata tutorial (#1427) @siranipour
• Update git tutorial (#1431) @scarlehoff
• Add docs on how to do a future test (#1408) @scarlehoff
• Restructuring data kws docs (#1382) @siranipour
• update runcard names to agree with paper (#1402) @RoyStegeman
• Add compression tools to docs (#1395) @scarlehoff
• Temporarily remove nf=4 comment (#1401) @Zaharid
• Add sysroot to installation instruction (#1400) @Zaharid
• Refine wording on coding rules (#1387) @Zaharid
• Remove nnfit references (#1394) @scarlehoff
• Add documentation on compatibility policy (#1385) @Zaharid
• Write a publicly facing README (#1374) @Zaharid
• how to reproduce nnpdf40 fit - docs (#1378) @RoyStegeman
• Rephrasing docs frontpage /fixing typos (#1343) @RosalynLP
• Add dataset specification to runcard guide (#1379) @scarlehoff
• Create LICENSE (#1375) @scarrazza
• Docs code structure (#1368) @RoyStegeman
• restructured documentation (#1303) @mariaubiali
• Update runcards with latest choice of baseline data set (#1320) @enocera
• Add NNPDF4.0 conda environment (#1255) @Zaharid
• Remove authors from docs (#1304) @voisey
• Correct typos (#1301) @RosalynLP
• Removed reference to no longer existing data_layout file in doc (#1297) @enocera
• update LO runcards (#1296) @RoyStegeman

Workflow

• adding minimum setup for release drafter (#1447) @scarrazza
• updating tests for github actions (#1397) @scarrazza
• GitHub Packages for nnpdf (#1390) @scarrazza
• disable self-hosted runner for fit-bot (#1369) @scarrazza
• Add testing github action (#1363) @scarlehoff

Refactoring

• Revert correlated shift functionality (#1388) @Zaharid
• Delete validphys 1 (#1361) @Zaharid
• Remove unused class (#1350) @Zaharid
• Removing unused imports (#1338) @siranipour
• Delete old executables (#1283) @Zaharid

Full Changelog: 4.0.3...4.0.4

Code for NNPDF4.0 fits

This version is used for producing all the publicly released fits for NNPDF4.0.