Fixes #10492 better:

- Made more generic. Applies to "> .table" and "> .table-responsive > .table" to support td/tr background colors too and not just .table-striped
- Supports tfoot

dist/css/bootstrap.css

@@ -4771,6 +4771,26 @@ a.list-group-item-info.active:focus {
 .panel > .table-responsive > .table {
   margin-bottom: 0;
 }
+.panel > .table > tbody:last-child > tr:last-child td:first-child,
+.panel > .table-responsive > .table > tbody:last-child > tr:last-child td:first-child,
+.panel > .table > tfoot:last-child > tr:last-child td:first-child,
+.panel > .table-responsive > .table > tfoot:last-child > tr:last-child td:first-child,
+.panel > .table > tbody:last-child > tr:last-child th:first-child,
+.panel > .table-responsive > .table > tbody:last-child > tr:last-child th:first-child,
+.panel > .table > tfoot:last-child > tr:last-child th:first-child,
+.panel > .table-responsive > .table > tfoot:last-child > tr:last-child th:first-child {
+  border-bottom-left-radius: 3px;
+}
+.panel > .table > tbody:last-child > tr:last-child td:last-child,
+.panel > .table-responsive > .table > tbody:last-child > tr:last-child td:last-child,
+.panel > .table > tfoot:last-child > tr:last-child td:last-child,
+.panel > .table-responsive > .table > tfoot:last-child > tr:last-child td:last-child,
+.panel > .table > tbody:last-child > tr:last-child th:last-child,
+.panel > .table-responsive > .table > tbody:last-child > tr:last-child th:last-child,
+.panel > .table > tfoot:last-child > tr:last-child th:last-child,
+.panel > .table-responsive > .table > tfoot:last-child > tr:last-child th:last-child {
+  border-bottom-right-radius: 3px;
+}
 .panel > .panel-body + .table,
 .panel > .panel-body + .table-responsive {
   border-top: 1px solid #ddd;
@@ -4829,18 +4849,6 @@ a.list-group-item-info.active:focus {
   margin-bottom: 0;
   border: 0;
 }
-.panel > .table-striped > tbody > tr:last-child td:first-child,
-.panel > .table-responsive > .table-striped > tbody > tr:last-child td:first-child,
-.panel > .table-striped > tbody > tr:last-child th:first-child,
-.panel > .table-responsive > .table-striped > tbody > tr:last-child th:first-child {
-  border-bottom-left-radius: 3px;
-}
-.panel > .table-striped > tbody > tr:last-child td:last-child,
-.panel > .table-responsive > .table-striped > tbody > tr:last-child td:last-child,
-.panel > .table-striped > tbody > tr:last-child th:last-child,
-.panel > .table-responsive > .table-striped > tbody > tr:last-child th:last-child {
-  border-bottom-right-radius: 3px;
-}
 .panel-heading {
   padding: 10px 15px;
   border-bottom: 1px solid transparent;

less/panels.less

@@ -59,6 +59,20 @@
   > .table,
   > .table-responsive > .table {
     margin-bottom: 0;
+    
+    > tbody:last-child,
+    > tfoot:last-child {
+      > tr:last-child {
+        td:first-child,
+        th:first-child {
+          border-bottom-left-radius: (@panel-border-radius - 1);
+        }
+        td:last-child,
+        th:last-child {
+          border-bottom-right-radius: (@panel-border-radius - 1);
+        }
+      }
+    }
   }
   > .panel-body + .table,
   > .panel-body + .table-responsive {
@@ -95,19 +109,6 @@
     border: 0;
     margin-bottom: 0;
   }
-  > .table-striped,
-  > .table-responsive > .table-striped {
-    > tbody > tr:last-child {
-      td:first-child,
-      th:first-child {
-        border-bottom-left-radius: (@panel-border-radius - 1);
-      }
-      td:last-child,
-      th:last-child {
-        border-bottom-right-radius: (@panel-border-radius - 1);
-      }
-    }
-  }
 }