Compilation fail for RooFitExtensions v1.0.1 with ROOT v6-24-00-rc1

In testing ROOT v6-24-00-rc1 in atlstats we saw a compilation failure for RooFitExtensions v1.0.1.

-- The C compiler identification is GNU 8.3.0
-- The CXX compiler identification is GNU 8.3.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /code/build
-- Configuring done
-- Generating done
-- Build files have been written to: /code/build
-- Cache values
AnalysisBase_DIR:PATH=AnalysisBase_DIR-NOTFOUND
CMAKE_BUILD_TYPE:STRING=
CMAKE_INSTALL_PREFIX:PATH=/copy/local
ROOT_DIR:PATH=/usr/local/cmake
ROOT_genmap_CMD:FILEPATH=ROOT_genmap_CMD-NOTFOUND
ROOT_rootdraw_CMD:FILEPATH=ROOT_rootdraw_CMD-NOTFOUND
[  4%] Generating G__RooFitExtensions.cxx, libRooFitExtensions_rdict.pcm, libRooFitExtensions.rootmap
Scanning dependencies of target RooFitExtensions
[ 23%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/ABWxG_VBF.cxx.o
[ 28%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/ABWxG.cxx.o
[ 23%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/AsymmBreitWigner.cxx.o
[ 28%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/ABWxGWithGamma.cxx.o
[ 28%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/PearsonTypeIV.cxx.o
[ 33%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/Roo2DMomentMorphFunction.cxx.o
[ 38%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/Roo1DMomentMorphFunction.cxx.o
[ 42%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/RooAbsListContainer.cxx.o
[ 47%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/RooBSpline.cxx.o
[ 52%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/RooBSplineBases.cxx.o
[ 57%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/RooExpandedDataHist.cxx.o
[ 61%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/RooExpandedHistPdf.cxx.o
[ 66%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/RooMCHistConstraint.cxx.o
[ 71%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/RooParamHistPdf.cxx.o
[ 76%] Building CXX object CMakeFiles/RooFitExtensions.dir/Root/RooParamKeysPdf.cxx.o
/code/src/Root/RooExpandedDataHist.cxx: In member function ‘virtual Double_t RooExpandedDataHist::get_curWeight() const’:
/code/src/Root/RooExpandedDataHist.cxx:68:29: error: ‘_curWeight’ is not a member of ‘RooDataHist’
   Double_t val=RooDataHist::_curWeight;
                             ^~~~~~~~~~
make[2]: *** [CMakeFiles/RooFitExtensions.dir/build.make:240: CMakeFiles/RooFitExtensions.dir/Root/RooExpandedDataHist.cxx.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [CMakeFiles/Makefile2:73: CMakeFiles/RooFitExtensions.dir/all] Error 2
make: *** [Makefile:141: all] Error 2
time="2021-04-01T20:05:43Z" level=fatal msg="The command '/bin/bash -c mkdir -p /copy/local &&     cd /code &&     cmake       -DCMAKE_INSTALL_PREFIX=/copy/local       -S src       -B build &&     cmake build -L &&     cmake --build build -- -j$(($(nproc) - 1)) &&     cmake --build build --target install &&     ctest --verbose --output-on-failure' returned a non-zero code: 2"

Can the RooFitExtensions maintainers either cut a new release for me to test on again, or run their own tests against ROOT v6-24-00-rc1 and then make revisions (if needed) and cut a new release?