diff --git a/.github/workflows/r_macos.yml b/.github/workflows/r_macos.yml
index 86f30865..edaab83b 100644
--- a/.github/workflows/r_macos.yml
+++ b/.github/workflows/r_macos.yml
@@ -5,6 +5,76 @@
 #
 # See https://github.com/r-lib/actions/tree/master/examples#readme for
 # additional example workflows available for the R community.
+#
+# name: R-MacOS
+#
+# on:
+#   push:
+#     branches: [ "main" ]
+#   pull_request:
+#     branches: [ "main" ]
+#
+# permissions:
+#   contents: read
+#
+# jobs:
+#   build:
+#     runs-on: macos-latest
+#
+#     strategy:
+#       matrix:
+#         r-version: ['4.4.0', '4.3.2', '4.2.1']
+#
+#     steps:
+#       - uses: actions/checkout@v3
+#
+#       - name: Update Homebrew
+#         run: |
+#           brew update
+#       - name: Install pandoc
+#         run: |
+#           for i in {1..3}; do
+#             brew install pandoc && break || sleep 15
+#           done
+#       - name: Set up R ${{ matrix.r-version }}
+#         uses: r-lib/actions/setup-r@v2
+#         with:
+#           r-version: ${{ matrix.r-version }}
+#
+#       - name: Install R dependencies
+#         run: |
+#           Rscript -e "install.packages(c('remotes', 'rcmdcheck', 'reticulate', 'renv', 'knitr', 'rmarkdown', 'lsa', 'purrr', 'testthat', 'htmltools'), repos='https://cran.r-project.org')"
+#           Rscript -e "if (getRversion() >= '4.4.0') remotes::install_version('Matrix', version = '1.5.3')"
+#           Rscript -e "remotes::install_version('htmltools', version = '0.5.8')"
+#           Rscript -e "renv::restore()"
+#
+#
+#       - name: Set up Python
+#         uses: actions/setup-python@v2
+#         with:
+#           python-version: '3.10.x'
+#
+#       - name: Install Python virtualenv
+#         run: pip install virtualenv
+#
+#       - name: Create Python virtual environment
+#         run: virtualenv flair_env
+#
+#       - name: Install Python dependencies in virtual environment
+#         run: |
+#           source flair_env/bin/activate
+#           pip install --upgrade pip
+#           pip install scipy==1.12.0
+#           pip install flair
+#       - name: Remove Python cache files
+#         run: find . -name '*.pyc' -delete
+#
+#       - name: Check (with virtual environment)
+#         run: |
+#           source flair_env/bin/activate
+#           R CMD build --no-build-vignettes .
+#         shell: bash
+
 
 name: R-MacOS
 
@@ -31,11 +101,13 @@ jobs:
       - name: Update Homebrew
         run: |
           brew update
+
       - name: Install pandoc
         run: |
           for i in {1..3}; do
             brew install pandoc && break || sleep 15
           done
+
       - name: Set up R ${{ matrix.r-version }}
         uses: r-lib/actions/setup-r@v2
         with:
@@ -44,11 +116,10 @@ jobs:
       - name: Install R dependencies
         run: |
           Rscript -e "install.packages(c('remotes', 'rcmdcheck', 'reticulate', 'renv', 'knitr', 'rmarkdown', 'lsa', 'purrr', 'testthat', 'htmltools'), repos='https://cran.r-project.org')"
-          Rscript -e "if (getRversion() >= '4.4.0') remotes::install_version('Matrix', version = '1.5.3')"
+          Rscript -e "if (getRversion() >= '4.4.0') remotes::install_version('Matrix', version = '1.5.3') else install.packages('Matrix', type = 'binary')"
           Rscript -e "remotes::install_version('htmltools', version = '0.5.8')"
           Rscript -e "renv::restore()"
 
-
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
@@ -66,6 +137,7 @@ jobs:
           pip install --upgrade pip
           pip install scipy==1.12.0
           pip install flair
+
       - name: Remove Python cache files
         run: find . -name '*.pyc' -delete
 
@@ -74,3 +146,4 @@ jobs:
           source flair_env/bin/activate
           R CMD build --no-build-vignettes .
         shell: bash
+