This story collects the items we'd like to see in release 6.14 of ROOT, scheduled for May 2018.
[VecOps] Cannot instantiate RVec<bool>
[cling] interpreting a macro is slowed down by nullptr checks
[DF] Large memory usage when writing uncompressed root files from multiple threads
[TTreeReader] main tree branch instead of friend tree branch accessed when branches have the same name
cling cannot print non-fully qualified types
[TDF] members of leaflists (e.g. "b.v") are not recognized as valid column names
Non jitted Snapshot of a dataset with a std::complex column crashes
TDF: Snapshot, Cache do not perform any validity check on the column names passed
TH1::StatOverflows is not thread safe
[TTreeReader] "w.v.a" is preferred to "v/a" when reading "v.a"
PyROOT Features needed for RDataFrame in 6.16
Wishes for the TDataFrame for 6.14