Issues

• Add fuzzy search utility

  in:TTreenew feature
  root-project/root#24049 · Filter by author acampove opened on Nov 7, 2026

• tutorial-math-exampleFunction-py is run without MathMore but fails

  bugin:Math Librariesin:Testing
  Task

  root-project/root#24048 · Filter by author pcanal opened on Nov 6, 2026

• gtest-roofit-roofitcore-testRooFitCore runs but fails if fftw3.h is not available

  bugin:RooFitin:Testing
  Task

  root-project/root#24045 · Filter by author pcanal opened on Nov 6, 2026
  2

  

• Test requiring TPython not disabled when tpython=OFF

  bugin:Python Interfacein:Testing
  Bug

  root-project/root#24044 · Filter by author pcanal opened on Nov 6, 2026

• [RF][HS3] Avoid name clashes between different kinds of objects in the HS3 export

  improvementin:RooFit
  root-project/root#24020 · Filter by author cburgard opened on Nov 6, 2026
  1

  

• hadd aborts when merging RNTuples with page checksums disabled

  bugin:RNTuple
  root-project/root#24018 · Filter by author Johnny-Kao opened on Nov 5, 2026
  

• [RF][HS3] Should the rf515_hfJSON tutorial document follow the recommended HS3 0.3 form (array_dist, listed constraint terms)?

  improvementin:RooFit
  root-project/root#24015 · Filter by author cburgard opened on Nov 5, 2026
  

• [RF] HS3 I/O for RooMultiPdf, RooMultiReal and the HS3 categorical function

  in:RooFitnew feature
  root-project/root#24006 · Filter by author cburgard opened on Nov 5, 2026
  

• [RF] RooSimultaneous NLL: inconsistent treatment of a channel without data (phantom event in the CPU backend)

  bugin:RooFit
  root-project/root#24004 · Filter by author cburgard opened on Nov 5, 2026
  

• [RF][HS3] Support the HS3 histfactory function (deferred until HS3 #143 and the bin width discussion are settled)

  in:RooFitnew feature
  root-project/root#23985 · Filter by author cburgard opened on Nov 4, 2026
  

• [Cling] Memory leak in TCling::CheckClassTemplate / LookupHelper name parsing

  bugin:Cling
  root-project/root#23978 · Filter by author rmanzoni opened on Nov 4, 2026
  7

  

• A TTree with a friend TChain doesn't propagate all errors happening in the chain

  in:TTree
  root-project/root#23936 · Filter by author lmoureaux opened on Nov 1, 2026
  5

  

• [Build] fail-on-missing contract not respected for NOT http AND webgui

  bugin:Build System
  root-project/root#23907 · Filter by author guitargeek opened on Oct 30, 2026
  3

  

• Header cleanup campaign

  improvementin:Core Libraries
  root-project/root#23880 · Filter by author hageboeck opened on Oct 28, 2026
  1

  

• TChain::GetEntries internal caching ineffective?

  improvementin:TTree
  root-project/root#23738 · Filter by author Zehvogel opened on Oct 16, 2026
  6

  

• Potential problems on Windows due to conflicting CRT libraries

  improvementin:Core Libraries
  root-project/root#23713 · Filter by author jblomer opened on Oct 14, 2026
  1

  

• [cling] Missing find_dependency zstd::libzstd_shared in exported targets

  bugin:Cling
  root-project/root#23696 · Filter by author ferdymercury opened on Oct 12, 2026
  4

  

• I/O rule with several same-named sources is not executed for a class read from split sub-branches

  bugexperimentin:I/O
  root-project/root#23686 · Filter by author davidwalter2 opened on Oct 12, 2026 · 6.42.00
  1

  

• [ntuple] Union merging can corrupt a late class field when its dictionary differs from the file

  bugin:RNTuple
  root-project/root#23683 · Filter by author Elvand-Lie opened on Oct 11, 2026
  

• [reve] Examine stack usage on new client connections

  bugin:Geometry
  root-project/root#23673 · Filter by author alja opened on Oct 9, 2026
  

• rootcling emits #include "execution_defs.h" for a selected header that includes <algorithm>, and the generated dictionary then fails to compile

  bugin:Dictionaries
  root-project/root#23640 · Filter by author olantwin opened on Oct 7, 2026
  

• Multi-threaded RDataFrame::Snapshot writes unreadable baskets (heap-use-after-free in TBasket::CopyTo)

  bugin:RDataFramein:TTree
  root-project/root#23550 · Filter by author theoreticMK opened on Sep 30, 2026
  2

  

• ROOT_PLUGIN_PATH is handled incorrectly

  bugexperimentin:I/O
  root-project/root#23536 · Filter by author aalkin opened on Sep 29, 2026
  

• [RF] NLL correction factor is constant and evaluated at NLL creation in RooFit

  bugin:RooFit
  root-project/root#23454 · Filter by author ikrommyd opened on Sep 22, 2026
  2

  

• [cling] Unable to find instantiation of declaration with two RFile-related lines of code (the first being invalid)

  bugin:Cling
  root-project/root#23439 · Filter by author silverweed opened on Sep 21, 2026
  1