From bed531f5fba0eeafa2193faec51531cda81a704b Mon Sep 17 00:00:00 2001
From: Ivan Ortega Alba <ivanortegaalba@gmail.com>
Date: Wed, 14 Sep 2022 14:33:03 +0200
Subject: [PATCH] Panel: Disable legends when showLegend is false prior to
 schema v37 (#55126)

---
 public/app/features/dashboard/state/DashboardMigrator.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/public/app/features/dashboard/state/DashboardMigrator.ts b/public/app/features/dashboard/state/DashboardMigrator.ts
index 0c467d8bdf1..98a02990e15 100644
--- a/public/app/features/dashboard/state/DashboardMigrator.ts
+++ b/public/app/features/dashboard/state/DashboardMigrator.ts
@@ -793,7 +793,11 @@ export class DashboardMigrator {
 
     if (oldVersion < 37) {
       panelUpgrades.push((panel: PanelModel) => {
-        if (panel.options?.legend && panel.options.legend.displayMode === 'hidden') {
+        if (
+          panel.options?.legend &&
+          // There were two ways to hide the legend, this normalizes to `legend.showLegend`
+          (panel.options.legend.displayMode === 'hidden' || panel.options.legend.showLegend === false)
+        ) {
           panel.options.legend.displayMode = 'list';
           panel.options.legend.showLegend = false;
         } else if (panel.options?.legend) {