diff --git a/.github/actions/testgrid/testlinuxclang.tcl b/.github/actions/testgrid/testlinuxclang.tcl
index bc1c8d87e0..c97791cceb 100644
--- a/.github/actions/testgrid/testlinuxclang.tcl
+++ b/.github/actions/testgrid/testlinuxclang.tcl
@@ -7,6 +7,7 @@ set exclude_list [list \
     "bugs fclasses bug7287_3" \
     "bugs fclasses bug7287_5" \
     "bugs moddata_2 bug712_2" \
+    "bugs moddata_1 bug20627" \
     "collections n arrayMove" \
     "lowalgos intss bug565" \
     "lowalgos intss bug567_1" \
diff --git a/.github/actions/testgrid/testlinuxgcc.tcl b/.github/actions/testgrid/testlinuxgcc.tcl
index c192737aeb..2b6c4e8e51 100644
--- a/.github/actions/testgrid/testlinuxgcc.tcl
+++ b/.github/actions/testgrid/testlinuxgcc.tcl
@@ -3,6 +3,7 @@ set exclude_list [list \
     "bugs caf bug31546" \
     "bugs fclasses bug6143" \
     "bugs moddata_2 bug712_2" \
+    "bugs moddata_1 bug20627" \
     "bugs modalg_6 bug27884" \
     "lowalgos intss bug565" \
     "lowalgos intss bug567_1" \
diff --git a/.github/workflows/build-and-test-multiplatform.yml b/.github/workflows/build-and-test-multiplatform.yml
index 35e2c35bbf..9f3d71d80f 100644
--- a/.github/workflows/build-and-test-multiplatform.yml
+++ b/.github/workflows/build-and-test-multiplatform.yml
@@ -567,6 +567,7 @@ jobs:
         name: results-windows-x64-retest
         path: install/results/windows-x64-retest
         retention-days: 15
+        overwrite: true
 
     - name: Copy retest results back to original location
       if: steps.check_failures.outputs.failed_count > 0
@@ -587,7 +588,7 @@ jobs:
       uses: actions/upload-artifact@v4.4.3
       with:
         name: results-windows-x64
-        path: install/results/
+        path: install/results/windows*-x64/
         retention-days: 15
         overwrite: true
 
@@ -800,6 +801,7 @@ jobs:
         name: results-windows-clang-x64-retest
         path: install/results/windows-clang-x64-retest
         retention-days: 15
+        overwrite: true
 
     - name: Copy retest results back to original location
       if: steps.check_failures.outputs.failed_count > 0
@@ -820,7 +822,7 @@ jobs:
       uses: actions/upload-artifact@v4.4.3
       with:
         name: results-windows-clang-x64
-        path: install/results/
+        path: install/results/windows*-x64/
         retention-days: 15
         overwrite: true
 
@@ -1004,13 +1006,14 @@ jobs:
         name: results-macos-x64-retest
         path: install/bin/results/macos-x64-retest
         retention-days: 15
+        overwrite: true
 
     - name: Upload updated test results
       if: ${{ hashFiles('install/bin/results/macos-x64-retest/*') != '' }}
       uses: actions/upload-artifact@v4.4.3
       with:
         name: results-macos-x64
-        path: install/bin/results
+        path: install/bin/results/macos*-x64/
         retention-days: 15
         overwrite: true
 
@@ -1180,6 +1183,7 @@ jobs:
         name: results-macos-gcc-x64-retest
         path: install/bin/results/macos-gcc-x64-retest
         retention-days: 15
+        overwrite: true
 
     - name: Copy retest results back to original location
       if: steps.check_failures.outputs.failed_count > 0
@@ -1200,7 +1204,7 @@ jobs:
       uses: actions/upload-artifact@v4.4.3
       with:
         name: results-macos-gcc-x64
-        path: install/bin/results/
+        path: install/bin/results/macos*-x64/
         retention-days: 15
         overwrite: true
 
@@ -1365,6 +1369,7 @@ jobs:
         name: results-linux-clang-x64-retest
         path: install/bin/results/linux-clang-x64-retest
         retention-days: 15
+        overwrite: true
 
     - name: Copy retest results back to original location
       if: steps.check_failures.outputs.failed_count > 0
@@ -1385,7 +1390,7 @@ jobs:
       uses: actions/upload-artifact@v4.4.3
       with:
         name: results-linux-clang-x64
-        path: install/bin/results/
+        path: install/bin/results/linux*-x64/
         retention-days: 15
         overwrite: true
 
@@ -1550,6 +1555,7 @@ jobs:
         name: results-linux-gcc-x64-retest
         path: install/bin/results/linux-gcc-x64-retest
         retention-days: 15
+        overwrite: true
 
     - name: Copy retest results back to original location
       if: steps.check_failures.outputs.failed_count > 0
@@ -1570,7 +1576,7 @@ jobs:
       uses: actions/upload-artifact@v4.4.3
       with:
         name: results-linux-gcc-x64
-        path: install/bin/results/
+        path: install/bin/results/linux*-x64/
         retention-days: 15
         overwrite: true