6.42.00

Issues

• [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 13, 2026
  40

  

• [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

  

• [core] deprecate Match.h implementation detail header

  pr:squash on mergeskip code analysis
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  root-project/root#23394·ferdymercury opened Sep 16, 2026 · Updated Oct 12, 2026
  12

  

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

  pr:squash on mergeskip code analysis
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  root-project/root#23406·ferdymercury opened Sep 17, 2026 · Updated Oct 20, 2026
  34

  

• 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
  

• [clang] Switch to upstream patch for AST generation

  clean buildin:Clingpr:squash on merge
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  root-project/root#23166·hahnjo opened Aug 27, 2026 · Updated Oct 19, 2026
  7

  

• Revert "[clang] Add API to iterate already loaded specializations"

  in:Cling
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  root-project/root#23757·hahnjo opened Oct 19, 2026 · Updated Oct 19, 2026·Draft
  1

  

• Revert "[clang] survive -Inon-accessible-directory:"

  in:Cling
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  root-project/root#23758·hahnjo opened Oct 19, 2026 · Updated Oct 19, 2026·Draft
  1

  

• [core] Export CppInterOp's dispatch entry point from libCore

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  root-project/root#23693·vgvassilev opened Oct 12, 2026 · Updated Oct 19, 2026
  2