@@ -15,6 +15,7 @@ The following people have contributed to this new version:
Guilherme Amadio, CERN/SFT,\
Bertrand Bellenot, CERN/SFT,\
Brian Bockelman, UNL,\
Rene Brun, CERN/SFT,\
Philippe Canal, FNAL,\
Olivier Couet, CERN/SFT,\
...
...
@@ -63,6 +64,8 @@ auto h1 = key->ReadObject<TH1>
after which h1 will either be null if the key contains something that is not a TH1 (or derived class)
or will be set to the address of the histogram read from the file.
- Added a new mechanism for providing clean forward-compatibility breaks in a ``TTree`` (i.e., a newer version of ROOT writes a ``TTree`` an older version cannot read). When future versions of ROOT utilize an IO feature that this version does not support, ROOT will provide a clear error message instead of crashing or returning garbage data. In future ROOT6 releases, forward-compatibility breaks will only be allowed if a non-default feature is enabled via the ``ROOT::Experimental`` namespace; it is expected ROOT7 will enable forward-compatibility breaks by default.
## TTree Libraries
- Resolved O(N^2) scaling problem in ```TTree::Draw()``` observed when a branch that contains a
