From 44c471d10ca1d7c7035f648d3278aacbc1c99507 Mon Sep 17 00:00:00 2001
From: Oscar Kilhed <oscar.kilhed@grafana.com>
Date: Wed, 26 Mar 2025 17:03:10 +0100
Subject: [PATCH] Dashboards: Limit panel title length (#102911)

Limit panel title length
---
 .../dashboard-scene/serialization/layoutSerializers/utils.ts    | 2 +-
 .../dashboard-scene/serialization/transformSaveModelToScene.ts  | 2 +-
 public/app/features/dashboard/dashgrid/DashboardGrid.tsx        | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/public/app/features/dashboard-scene/serialization/layoutSerializers/utils.ts b/public/app/features/dashboard-scene/serialization/layoutSerializers/utils.ts
index d34169c680a..d3de9dd2354 100644
--- a/public/app/features/dashboard-scene/serialization/layoutSerializers/utils.ts
+++ b/public/app/features/dashboard-scene/serialization/layoutSerializers/utils.ts
@@ -59,7 +59,7 @@ export function buildVizPanel(panel: PanelKind): VizPanel {
 
   const vizPanelState: VizPanelState = {
     key: getVizPanelKeyForPanelId(panel.spec.id),
-    title: panel.spec.title,
+    title: panel.spec.title?.substring(0, 5000),
     description: panel.spec.description,
     pluginId: panel.spec.vizConfig.kind,
     options: panel.spec.vizConfig.spec.options,
diff --git a/public/app/features/dashboard-scene/serialization/transformSaveModelToScene.ts b/public/app/features/dashboard-scene/serialization/transformSaveModelToScene.ts
index 0c139f9fc11..a8fd71f4047 100644
--- a/public/app/features/dashboard-scene/serialization/transformSaveModelToScene.ts
+++ b/public/app/features/dashboard-scene/serialization/transformSaveModelToScene.ts
@@ -323,7 +323,7 @@ export function buildGridItemForPanel(panel: PanelModel): DashboardGridItem {
 
   const vizPanelState: VizPanelState = {
     key: getVizPanelKeyForPanelId(panel.id),
-    title: panel.title,
+    title: panel.title?.substring(0, 5000),
     description: panel.description,
     pluginId: panel.type ?? 'timeseries',
     options: panel.options ?? {},
diff --git a/public/app/features/dashboard/dashgrid/DashboardGrid.tsx b/public/app/features/dashboard/dashgrid/DashboardGrid.tsx
index 397dfc30c33..a8cd9720e22 100644
--- a/public/app/features/dashboard/dashgrid/DashboardGrid.tsx
+++ b/public/app/features/dashboard/dashgrid/DashboardGrid.tsx
@@ -111,6 +111,7 @@ export class DashboardGrid extends PureComponent<Props, State> {
       if (!panel.key) {
         panel.key = `panel-${panel.id}-${Date.now()}`;
       }
+      panel.title = panel.title?.substring(0, 5000);
       this.panelMap[panel.key] = panel;
 
       if (!panel.gridPos) {