From a65b3f3debd9015ca5dfed47c33e320529e5b79a Mon Sep 17 00:00:00 2001
From: Greg Solomon <88904581+ghsolomon@users.noreply.github.com>
Date: Tue, 17 Oct 2023 22:16:01 -0400
Subject: [PATCH] Fix bug where column group borders were not being properly
 defaulted (#3503)

---
 cmp/grid/GridModel.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmp/grid/GridModel.ts b/cmp/grid/GridModel.ts
index 9883c6d5c..4eea0552d 100644
--- a/cmp/grid/GridModel.ts
+++ b/cmp/grid/GridModel.ts
@@ -1461,7 +1461,7 @@ export class GridModel extends HoistModel {
         if (omit) return null;
 
         if (this.isGroupSpec(config)) {
-            if (config.borders) borderedGroup = config;
+            if (config.borders !== false) borderedGroup = config;
             const children = compact(
                 config.children.map(c => this.buildColumn(c, borderedGroup))
             ) as Array<ColumnGroup | Column>;