backed in tets

Author: andrjohns

.github/workflows/R-CMD-check-dev.yaml

@@ -27,7 +27,7 @@ jobs:
           - {os: windows-latest, r: 'release'}
           - {os: windows-latest, r: 'oldrel'}
 
-          - {os: ubuntu-24.04-arm,   r: 'devel'}
+          - {os: ubuntu-24.04-arm,   r: 'release'}
           - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
           - {os: ubuntu-latest,   r: 'release'}
           - {os: ubuntu-latest,   r: 'oldrel'}
@@ -36,6 +36,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       R_KEEP_PKG_SOURCE: yes
       MAKEFLAGS: -j4
+      RCPP_PARALLEL_BACKEND: tbb
 
     steps:
       - uses: actions/checkout@v4