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Development Release 6.13/02


#1

We are happy to announce the ROOT development release 6.13/02. It is a
preview of the upcoming 6.14. Some of its highlights:

  • LZ4 is now the default compression format, accelerating reading by
    factors; see e.g. this presentation
  • New graphics style “ATLAS" - thanks, ATLAS!
  • Auto-coloring for TF1 (drawing options PFC, PLC and PMC)
  • New color palette “cividis” compatible with color vision deficiency
  • Memory footprint reduction and a faster ROOT due to reduced reading of
    its PCH
  • Improved performance of parallelised operations - thread safety has
    been enhanced with a read-write lock, also reducing contention during
    gROOT and TObject destructions.
  • I/O support for std::vector with custom allocator.
  • C++17 support: you can enable it with the “-Dcxx17=ON” cmake option
  • Added templated version TBuffer::WriteObject
  • Implement reading of objects data from JSON; new TBufferJSON::ToJSON()
    and TBufferJSON::FromJSON() methods
  • New ROOT::Experimental::TVec allows to spell operations on vector
    elements without loops, also in TDataFrame

You can download binaries and sources from
https://root.cern/content/release-61302.

Thanks to everyone who fixed and reported bugs!

Cheers, Axel,
for the ROOT Team.


#2

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