From a0fe1b2dd6e278a3d52d5eee0e11f187417942fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gustaf=20R=C3=A4ntil=C3=A4?= <g.rantila@gmail.com>
Date: Wed, 4 Feb 2026 22:42:15 +0100
Subject: [PATCH] Fix dynamically changing columns crashing the table component
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Signed-off-by: Gustaf Räntilä <g.rantila@gmail.com>
---
 .changeset/many-ravens-move.md                        | 7 +++++++
 packages/ui/src/components/Table/components/Table.tsx | 1 +
 2 files changed, 8 insertions(+)
 create mode 100644 .changeset/many-ravens-move.md

diff --git a/.changeset/many-ravens-move.md b/.changeset/many-ravens-move.md
new file mode 100644
index 0000000000..acf8733a63
--- /dev/null
+++ b/.changeset/many-ravens-move.md
@@ -0,0 +1,7 @@
+---
+'@backstage/ui': patch
+---
+
+Fixed changing columns after first render from crashing. It now renders the table with the new column layout as columns change.
+
+Affected components: Table
diff --git a/packages/ui/src/components/Table/components/Table.tsx b/packages/ui/src/components/Table/components/Table.tsx
index c65340c026..481487ecac 100644
--- a/packages/ui/src/components/Table/components/Table.tsx
+++ b/packages/ui/src/components/Table/components/Table.tsx
@@ -176,6 +176,7 @@ export function Table<T extends TableItem>({
           </TableHeader>
           <TableBody
             items={data}
+            dependencies={[visibleColumns]}
             renderEmptyState={
               emptyState ? () => <Flex p="3">{emptyState}</Flex> : undefined
             }