ROOT Files

Patch of the v6.36 series. 🗒️ Release notes 💾 Install instructions

This release provides a few bug fixes and is prepared to build and run on macOS 26 Tahoe and XCode 26.

The list of issues addressed for this release is the following: * #19592 - No Constant Properties exported for Optical surfaces * #19560 - TTreeIndex fails under Valgrind due to long double emulation * #19497 - EL9:: EPEL:: root tags/6-36-02@6-36-02 :: cppyy warning in rootls * #19476 - std::string_view adds characters to strings in Python * #19442 - [ntuple] Unable to read back RNTuples without normalized type names from v6.34 * #19438 - TH2D COLZ0 option color bug * #19419 - [RF] FrequentistCalculator cannot handle non-parametric Pdfs * #19412 - TASImage Issue with latest libafterimage * #19366 - THnSparse::CreateSparse creates histograms that are not sparse * #19359 - Incorrect bin error with TH1::SetBuffer and TH1::Sumw2 * #19327 - Build Fails on MacOS (ARM, 15) * #19267 - [cppyy] New crash when iterating over polymorphic std::vector * #19134 - Installation issue for ROOT 6.36 RPATHs through Spack on MacOS * #11651 - Syntax error leads to interpreter assert with Must not nest within unloading transaction when reading object * #11460 - TF2 (with same name) construction can not be made thread safe without taking a lock * #10522 - complex numbers in RDataFrame (PyROOT) * #8899 - dataframe_concurrency LLVM valgrind error: SelectionDAG::Comb