Found the following significant warnings:
  D:/RCompile/CRANpkg/lib/4.5/RcppEnsmallen/include/ensmallen_bits/fw/atoms.hpp:100:14: warning: 'eT arma::Mat<eT>::min(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_min() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/adaboost/adaboost_impl.hpp:207:29: warning: 'eT arma::subview_col<eT>::max(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/perceptron/perceptron_impl.hpp:327:21: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/perceptron/perceptron_impl.hpp:249:23: warning: 'eT arma::Mat<eT>::max(arma::uword&, arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/decision_tree/decision_tree_impl.hpp:1168:25: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/approx_kfn/drusilla_select_impl.hpp:98:14: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/kmeans/max_variance_new_cluster_impl.hpp:39:16: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hmm/hmm_impl.hpp:531:36: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hmm/hmm_impl.hpp:537:50: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_categorical_split_impl.hpp:83:18: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = long long unsigned int; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_numeric_split_impl.hpp:148:16: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = long long unsigned int; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_numeric_split_impl.hpp:158:20: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = long long unsigned int; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hoeffding_trees/binary_numeric_split_impl.hpp:159:18: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = long long unsigned int; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_categorical_split_impl.hpp:68:43: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = long long unsigned int; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_numeric_split_impl.hpp:126:43: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = long long unsigned int; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hoeffding_trees/binary_numeric_split_impl.hpp:145:27: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = long long unsigned int; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/hoeffding_trees/binary_numeric_split_impl.hpp:147:27: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = long long unsigned int; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/naive_bayes/naive_bayes_classifier_impl.hpp:388:37: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/radical/radical_impl.hpp:107:13: warning: 'eT arma::Mat<eT>::min(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_min() instead [-Wdeprecated-declarations]
  ../inst/include/mlpack/methods/random_forest/random_forest_impl.hpp:360:20: warning: 'eT arma::Mat<eT>::max(arma::uword&) const [with eT = double; arma::uword = long long unsigned int]' is deprecated: use .index_max() instead [-Wdeprecated-declarations]
See 'd:/Rcompile/CRANpkg/local/4.5/mlpack.Rcheck/00install.out' for details.
* used C++ compiler: 'g++.exe (GCC) 13.3.0'