diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index c6d5c99e..33f24f1a 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -4,9 +4,11 @@ on:
   push:
     branches: [main, master]
   pull_request:
-    branches: [main, master, patch-for-cran]
+    branches: [main, master]
+
+name: R-CMD-check.yaml
 
-name: R-CMD-check
+permissions: read-all
 
 jobs:
   R-CMD-check:
@@ -18,40 +20,33 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - {os: macos-latest,   r: 'devel'}
           - {os: macos-latest,   r: 'release'}
-          - {os: macos-latest,   r: 'oldrel'}
-          - {os: windows-latest, r: 'devel'}
           - {os: windows-latest, r: 'release'}
-          - {os: windows-latest, r: 'oldrel'}
-          - {os: ubuntu-latest,   r: 'devel'}
+          - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
           - {os: ubuntu-latest,   r: 'release'}
-          - {os: ubuntu-latest,   r: 'oldrel'}
+          - {os: ubuntu-latest,   r: 'oldrel-1'}
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       R_KEEP_PKG_SOURCE: yes
-      R_VERSION_TYPE: ${{ matrix.config.r }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
       - uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          extra-packages: |
-            any::rcmdcheck
-            any::BH
-            any::RcppEigen
-            any::vdiffr
+          extra-packages: any::rcmdcheck, any::BH, any::RcppEigen, any::vdiffr
           needs: check
 
       - uses: r-lib/actions/check-r-package@v2
         with:
           upload-snapshots: true
+          build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf")'
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
index 35cf0a9d..dcdc8462 100644
--- a/.github/workflows/test-coverage.yaml
+++ b/.github/workflows/test-coverage.yaml
@@ -4,9 +4,10 @@ on:
   push:
     branches: [main, master]
   pull_request:
-    branches: [main, master, patch-for-cran]
 
-name: test-coverage
+name: test-coverage.yaml
+
+permissions: read-all
 
 jobs:
   test-coverage:
@@ -15,7 +16,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-r@v2
         with:
@@ -23,30 +24,38 @@ jobs:
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          extra-packages: |
-            any::covr
-            any::vdiffr
+          extra-packages: any::covr, any::xml2, any::vdiffr
           needs: coverage
 
       - name: Test coverage
         run: |
-          covr::codecov(
+          cov <- covr::package_coverage(
             quiet = FALSE,
             clean = FALSE,
-            install_path = file.path(Sys.getenv("RUNNER_TEMP"), "package")
+            install_path = file.path(normalizePath(Sys.getenv("RUNNER_TEMP"), winslash = "/"), "package")
           )
+          covr::to_cobertura(cov)
         shell: Rscript {0}
 
+      - uses: codecov/codecov-action@v4
+        with:
+          # Fail if error if not on PR, or if on PR and token is given
+          fail_ci_if_error: ${{ github.event_name != 'pull_request' || secrets.CODECOV_TOKEN }}
+          file: ./cobertura.xml
+          plugin: noop
+          disable_search: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+
       - name: Show testthat output
         if: always()
         run: |
           ## --------------------------------------------------------------------
-          find ${{ runner.temp }}/package -name 'testthat.Rout*' -exec cat '{}' \; || true
+          find '${{ runner.temp }}/package' -name 'testthat.Rout*' -exec cat '{}' \; || true
         shell: bash
 
       - name: Upload test results
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage-test-failures
           path: ${{ runner.temp }}/package
diff --git a/README.md b/README.md
index 25077de9..b9b878d6 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 <!-- badges: start -->
 [![CRAN_Status_Badge](https://www.r-pkg.org/badges/version/bayesplot?color=blue)](https://cran.r-project.org/web/packages/bayesplot)
 [![Downloads](https://cranlogs.r-pkg.org/badges/bayesplot?color=blue)](https://cran.rstudio.com/package=bayesplot)
-[![R-CMD-check](https://github.com/stan-dev/bayesplot/workflows/R-CMD-check/badge.svg)](https://github.com/stan-dev/bayesplot/actions)
+[![R-CMD-check](https://github.com/stan-dev/bayesplot/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/stan-dev/bayesplot/actions/workflows/R-CMD-check.yaml)
 [![codecov](https://codecov.io/gh/stan-dev/bayesplot/branch/master/graph/badge.svg)](https://codecov.io/gh/stan-dev/bayesplot)
 <!-- badges: end -->