6.42.00

Issues

• [cmake] Make explicit that all dictionaries depend on Core.pcm

  clean buildpr:squash on merge
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  root-project/root#23207·ferdymercury opened Aug 31, 2026 · Updated Sep 23, 2026
  15

  

• [core] rename libRint.so to libROOTRint.so

  skip code analysis
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  root-project/root#23380·ferdymercury opened Sep 16, 2026 · Updated Sep 28, 2026
  32

  

• [clib] mv to builtins folder since it's hard-coded external

  clean buildpr:squash on mergeskip code analysis
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  root-project/root#23040·ferdymercury opened Aug 6, 2026 · Updated Oct 1, 2026
  8

  

• [textinput] mv to builtins dir as hard-coded builtin

  skip code analysis
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  root-project/root#23046·ferdymercury opened Aug 7, 2026 · Updated Oct 1, 2026
  17

  

• TTree/TChain ResetBranchAddress does not propagate the reset to the clones

  affects:masteraffects:6.20affects:6.22affects:6.24affects:6.26affects:6.28affects:6.30affects:6.32affects:6.34affects:6.36bugin:I/Oin:TTree
  Bug

  root-project/root#19402 · Filter by author pcanal opened on Jul 17, 2025 · 6.42.00
  1

  

• [cling] Remove support for declarations without 'auto' keyword

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  root-project/root#16410·devajithvs opened Sep 11, 2024 · Updated Sep 1, 2026
  18

  

• [io] reduce compression buffer length

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  root-project/root#18449·ferdymercury opened Apr 21, 2025 · Updated Apr 21, 2026
  1

  

• [hist] Implement AutoZoom of TH1/TH2/TH3/TAxis to filled range

  affects:masterin:Graphicsin:Hist
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  root-project/root#18459·ferdymercury opened Apr 22, 2025 · Updated Sep 1, 2026
  50

  

• [Python] Change of behavior in TObject equality comparisons

  in:Python Interfacein:RooFitpriority:critical
  root-project/root#21347 · Filter by author guitargeek opened on Feb 23, 2026 · 6.42.00
  3

  

• [cmake] Do not auto force-enable or force-disable user CMake build options

  clean buildskip code analysis
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  root-project/root#23092·ferdymercury opened Aug 18, 2026 · Updated Oct 1, 2026
  38

  

• [llvm] Backport ORC dependence propagation performance fix

  AI-Assistedin:Clingpriority:high
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  root-project/root#23249·pcanal opened Sep 3, 2026 · Updated Sep 8, 2026
  10

  

• [cmake] convert mathjax into full builtin

  skip ciskip code analysis
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  root-project/root#23101·ferdymercury opened Aug 19, 2026 · Updated Sep 16, 2026·Draft
  1

  

• [eg] deprecate cfortran and Hepevt headers that are implementation details

  pr:squash on mergeskip code analysis
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  root-project/root#23388·ferdymercury opened Sep 16, 2026 · Updated Sep 29, 2026
  10

  

• [core] deprecate Match.h implementation detail header

  skip code analysis
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  root-project/root#23394·ferdymercury opened Sep 16, 2026 · Updated Oct 1, 2026
  10

  

• [geom] privatize bvh headers that are only used by cxx files and mv to builtins folder

  skip code analysis
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  root-project/root#23397·ferdymercury opened Sep 16, 2026 · Updated Sep 29, 2026
  8

  

• [hist] v5 legacy headers: move to ROOT subfolder

  skip code analysis
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  root-project/root#23406·ferdymercury opened Sep 17, 2026 · Updated Oct 1, 2026
  33