From 86b16ea62a840bebc1c93b3e4e7d71963c48c649 Mon Sep 17 00:00:00 2001
From: Leon Sorokin <leeoniya@gmail.com>
Date: Fri, 2 Feb 2024 01:57:08 -0600
Subject: [PATCH] Histogram: Start y-axis at 0, set default color mode to
 classic palette (#81759)

---
 public/app/plugins/panel/histogram/Histogram.tsx | 1 +
 public/app/plugins/panel/histogram/module.tsx    | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/public/app/plugins/panel/histogram/Histogram.tsx b/public/app/plugins/panel/histogram/Histogram.tsx
index 340e0489581..a613485bff1 100644
--- a/public/app/plugins/panel/histogram/Histogram.tsx
+++ b/public/app/plugins/panel/histogram/Histogram.tsx
@@ -136,6 +136,7 @@ const prepConfig = (frame: DataFrame, theme: GrafanaTheme2) => {
     distribution: ScaleDistribution.Linear,
     orientation: ScaleOrientation.Vertical,
     direction: ScaleDirection.Up,
+    softMin: 0,
   });
 
   const fmt = frame.fields[0].display!;
diff --git a/public/app/plugins/panel/histogram/module.tsx b/public/app/plugins/panel/histogram/module.tsx
index 0b27fa61c1b..39ab7db26ed 100644
--- a/public/app/plugins/panel/histogram/module.tsx
+++ b/public/app/plugins/panel/histogram/module.tsx
@@ -54,7 +54,9 @@ export const plugin = new PanelPlugin<Options, FieldConfig>(HistogramPanel)
     standardOptions: {
       [FieldConfigProperty.Color]: {
         settings: {
-          byValueSupport: true,
+          byValueSupport: false,
+          bySeriesSupport: true,
+          preferThresholdsMode: false,
         },
         defaultValue: {
           mode: FieldColorModeId.PaletteClassic,