diff --git a/devenv/dev-dashboards/panel-gauge/gauge_tests.json b/devenv/dev-dashboards/panel-gauge/gauge_tests.json
index a26f3d299f3..907153907d6 100644
--- a/devenv/dev-dashboards/panel-gauge/gauge_tests.json
+++ b/devenv/dev-dashboards/panel-gauge/gauge_tests.json
@@ -15,11 +15,12 @@
   "editable": true,
   "gnetId": null,
   "graphTooltip": 0,
-  "iteration": 1547810606599,
+  "iteration": 1610180483405,
   "links": [],
   "panels": [
     {
       "collapsed": false,
+      "datasource": null,
       "gridPos": {
         "h": 1,
         "w": 24,
@@ -33,6 +34,40 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": 2,
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "ms"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 8,
         "w": 5,
@@ -42,50 +77,18 @@
       "id": 2,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": 2,
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["mean"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "avg",
-        "suffix": "",
-        "thresholds": [
-          {
-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
-          },
-          {
-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "ms",
-        "valueMappings": []
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -100,6 +103,40 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": null,
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "ms"
+        },
+        "overrides": []
+      },
       "gridPos": {
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         "w": 6,
@@ -109,50 +146,18 @@
       "id": 5,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": null,
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
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-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["max"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "max",
-        "suffix": "",
-        "thresholds": [
-          {
-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
-          },
-          {
-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "ms",
-        "valueMappings": []
+        "text": {}
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+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -167,6 +172,40 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": null,
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
       "gridPos": {
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         "w": 5,
@@ -176,50 +215,18 @@
       "id": 6,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": null,
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
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-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
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-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "p",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "current",
-        "suffix": "s",
-        "thresholds": [
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-            "color": "#e24d42",
-            "index": 2,
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-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "none",
-        "valueMappings": []
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -234,6 +241,40 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "",
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 4,
         "w": 3,
@@ -243,50 +284,18 @@
       "id": 16,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
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-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "current",
-        "suffix": "",
-        "thresholds": [
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-            "value": 90
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-            "value": 75
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-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "none",
-        "valueMappings": []
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -301,6 +310,40 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "",
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
       "gridPos": {
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         "w": 5,
@@ -310,50 +353,18 @@
       "id": 18,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
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-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "current",
-        "suffix": "",
-        "thresholds": [
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-            "color": "#e24d42",
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-          },
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-            "value": 75
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-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "none",
-        "valueMappings": []
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -368,6 +379,40 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "",
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
       "gridPos": {
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         "w": 3,
@@ -377,50 +422,18 @@
       "id": 17,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
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-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "current",
-        "suffix": "",
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-            "index": 2,
-            "value": 90
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-            "index": 1,
-            "value": 75
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-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "none",
-        "valueMappings": []
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -435,6 +448,40 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "",
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 4,
         "w": 5,
@@ -444,50 +491,18 @@
       "id": 19,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "current",
-        "suffix": "",
-        "thresholds": [
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-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
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-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "none",
-        "valueMappings": []
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -500,13 +515,88 @@
       "title": "",
       "type": "gauge"
     },
+    {
+      "datasource": null,
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 5,
+        "w": 24,
+        "x": 0,
+        "y": 9
+      },
+      "id": 30,
+      "options": {
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
+        },
+        "showThresholdLabels": false,
+        "showThresholdMarkers": true,
+        "text": {}
+      },
+      "pluginVersion": "7.4.0-pre",
+      "targets": [
+        {
+          "alias": "",
+          "csvWave": {
+            "timeStep": 60,
+            "valuesCSV": "0,0,2,2,1,1"
+          },
+          "lines": 10,
+          "points": [],
+          "pulseWave": {
+            "offCount": 3,
+            "offValue": 1,
+            "onCount": 3,
+            "onValue": 2,
+            "timeStep": 60
+          },
+          "refId": "A",
+          "scenarioId": "csv_metric_values",
+          "stream": {
+            "bands": 1,
+            "noise": 2.2,
+            "speed": 250,
+            "spread": 3.5,
+            "type": "signal"
+          },
+          "stringInput": "null,null"
+        }
+      ],
+      "title": "Only nulls and no user set min & max",
+      "type": "gauge"
+    },
     {
       "collapsed": false,
+      "datasource": null,
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
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+        "y": 14
       },
       "id": 15,
       "panels": [],
@@ -515,69 +605,71 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "",
+          "mappings": [
+            {
+              "from": "",
+              "id": 1,
+              "operator": "",
+              "text": "TEN",
+              "to": "",
+              "type": 1,
+              "value": "10"
+            }
+          ],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 8,
         "w": 4,
         "x": 0,
-        "y": 10
+        "y": 15
       },
       "id": 12,
       "links": [],
       "nullPointMode": "null",
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+      "options": {
         "baseColor": "#299c46",
-        "decimals": "",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "current",
-        "suffix": "",
-        "thresholds": [
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-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
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-            "color": "#7EB26D",
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-        "unit": "none",
-        "valueMappings": [
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-            "id": 1,
-            "operator": "",
-            "text": "TEN",
-            "to": "",
-            "type": 1,
-            "value": "10"
-          }
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+        "text": {}
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+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -593,69 +685,71 @@
     {
       "datasource": "gdev-testdata",
       "description": "should read N/A",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "",
+          "mappings": [
+            {
+              "from": "",
+              "id": 1,
+              "operator": "",
+              "text": "N/A",
+              "to": "",
+              "type": 1,
+              "value": "null"
+            }
+          ],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 8,
         "w": 4,
         "x": 4,
-        "y": 10
+        "y": 15
       },
       "id": 13,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "current",
-        "suffix": "",
-        "thresholds": [
-          {
-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
-          },
-          {
-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "none",
-        "valueMappings": [
-          {
-            "from": "",
-            "id": 1,
-            "operator": "",
-            "text": "N/A",
-            "to": "",
-            "type": 1,
-            "value": "null"
-          }
-        ]
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -671,69 +765,71 @@
     {
       "datasource": "gdev-testdata",
       "description": "should read N/A",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "",
+          "mappings": [
+            {
+              "from": "0",
+              "id": 1,
+              "operator": "",
+              "text": "OK",
+              "to": "10",
+              "type": 2,
+              "value": "null"
+            }
+          ],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 8,
         "w": 6,
         "x": 8,
-        "y": 10
+        "y": 15
       },
       "id": 20,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "current",
-        "suffix": "",
-        "thresholds": [
-          {
-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
-          },
-          {
-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "none",
-        "valueMappings": [
-          {
-            "from": "0",
-            "id": 1,
-            "operator": "",
-            "text": "OK",
-            "to": "10",
-            "type": 2,
-            "value": "null"
-          }
-        ]
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -749,78 +845,80 @@
     {
       "datasource": "gdev-testdata",
       "description": "should read N/A",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "",
+          "mappings": [
+            {
+              "from": "0",
+              "id": 1,
+              "operator": "",
+              "text": "OK",
+              "to": "90",
+              "type": 2,
+              "value": "null"
+            },
+            {
+              "from": "90",
+              "id": 2,
+              "operator": "",
+              "text": "BAD",
+              "to": "100",
+              "type": 2,
+              "value": ""
+            }
+          ],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 8,
         "w": 6,
         "x": 14,
-        "y": 10
+        "y": 15
       },
       "id": 21,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["lastNotNull"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "current",
-        "suffix": "",
-        "thresholds": [
-          {
-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
-          },
-          {
-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "none",
-        "valueMappings": [
-          {
-            "from": "0",
-            "id": 1,
-            "operator": "",
-            "text": "OK",
-            "to": "90",
-            "type": 2,
-            "value": "null"
-          },
-          {
-            "from": "90",
-            "id": 2,
-            "operator": "",
-            "text": "BAD",
-            "to": "100",
-            "type": 2,
-            "value": ""
-          }
-        ]
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "targets": [
         {
           "refId": "A",
@@ -835,11 +933,12 @@
     },
     {
       "collapsed": false,
+      "datasource": null,
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 18
+        "y": 23
       },
       "id": 9,
       "panels": [],
@@ -848,59 +947,61 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "2",
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "ms"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 8,
         "w": 6,
         "x": 0,
-        "y": 19
+        "y": 24
       },
       "id": 7,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "2",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["mean"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "$Servers",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "avg",
-        "suffix": "",
-        "thresholds": [
-          {
-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
-          },
-          {
-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "ms",
-        "valueMappings": []
+        "text": {}
       },
+      "pluginVersion": "7.4.0-pre",
       "repeat": "Servers",
       "repeatDirection": "h",
       "scopedVars": {
@@ -924,62 +1025,63 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "2",
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "ms"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 8,
         "w": 6,
         "x": 6,
-        "y": 19
+        "y": 24
       },
-      "id": 22,
+      "id": 26,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "2",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["mean"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "$Servers",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "avg",
-        "suffix": "",
-        "thresholds": [
-          {
-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
-          },
-          {
-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "ms",
-        "valueMappings": []
+        "text": {}
       },
-      "repeat": null,
+      "pluginVersion": "7.4.0-pre",
       "repeatDirection": "h",
-      "repeatIteration": 1547810606599,
+      "repeatIteration": 1610180483405,
       "repeatPanelId": 7,
       "scopedVars": {
         "Servers": {
@@ -1002,62 +1104,63 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "2",
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "ms"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 8,
         "w": 6,
         "x": 12,
-        "y": 19
+        "y": 24
       },
-      "id": 23,
+      "id": 27,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "2",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["mean"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "$Servers",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "avg",
-        "suffix": "",
-        "thresholds": [
-          {
-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
-          },
-          {
-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "ms",
-        "valueMappings": []
+        "text": {}
       },
-      "repeat": null,
+      "pluginVersion": "7.4.0-pre",
       "repeatDirection": "h",
-      "repeatIteration": 1547810606599,
+      "repeatIteration": 1610180483405,
       "repeatPanelId": 7,
       "scopedVars": {
         "Servers": {
@@ -1080,62 +1183,63 @@
     },
     {
       "datasource": "gdev-testdata",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {},
+          "decimals": "2",
+          "mappings": [],
+          "max": 100,
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "#7EB26D",
+                "index": 0,
+                "value": null
+              },
+              {
+                "color": "#ef843c",
+                "index": 1,
+                "value": 75
+              },
+              {
+                "color": "#e24d42",
+                "index": 2,
+                "value": 90
+              }
+            ]
+          },
+          "unit": "ms"
+        },
+        "overrides": []
+      },
       "gridPos": {
         "h": 8,
         "w": 6,
         "x": 18,
-        "y": 19
+        "y": 24
       },
-      "id": 24,
+      "id": 28,
       "links": [],
       "nullPointMode": "null",
-      "options-gauge": {
+      "options": {
         "baseColor": "#299c46",
-        "decimals": "2",
-        "maxValue": 100,
-        "minValue": 0,
-        "options": {
-          "baseColor": "#299c46",
-          "decimals": 0,
-          "maxValue": 100,
-          "minValue": 0,
-          "prefix": "",
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "stat": "avg",
-          "suffix": "",
-          "thresholds": [],
-          "unit": "none",
-          "valueMappings": []
+        "reduceOptions": {
+          "calcs": ["mean"],
+          "fields": "",
+          "values": false
         },
-        "prefix": "$Servers",
         "showThresholdLabels": false,
         "showThresholdMarkers": true,
-        "stat": "avg",
-        "suffix": "",
-        "thresholds": [
-          {
-            "color": "#e24d42",
-            "index": 2,
-            "value": 90
-          },
-          {
-            "color": "#ef843c",
-            "index": 1,
-            "value": 75
-          },
-          {
-            "color": "#7EB26D",
-            "index": 0,
-            "value": null
-          }
-        ],
-        "unit": "ms",
-        "valueMappings": []
+        "text": {}
       },
-      "repeat": null,
+      "pluginVersion": "7.4.0-pre",
       "repeatDirection": "h",
-      "repeatIteration": 1547810606599,
+      "repeatIteration": 1610180483405,
       "repeatPanelId": 7,
       "scopedVars": {
         "Servers": {
@@ -1158,7 +1262,7 @@
     }
   ],
   "refresh": false,
-  "schemaVersion": 17,
+  "schemaVersion": 27,
   "style": "dark",
   "tags": ["gdev", "panel-tests"],
   "templating": {
@@ -1171,6 +1275,8 @@
           "text": "All",
           "value": ["$__all"]
         },
+        "description": null,
+        "error": null,
         "hide": 0,
         "includeAll": true,
         "label": null,
@@ -1220,5 +1326,5 @@
   "timezone": "",
   "title": "Panel Tests - Gauge",
   "uid": "_5rDmaQiz",
-  "version": 5
+  "version": 2
 }
diff --git a/e2e/suite1/specs/gauge.spec.ts b/e2e/suite1/specs/gauge.spec.ts
new file mode 100644
index 00000000000..a62afe7df59
--- /dev/null
+++ b/e2e/suite1/specs/gauge.spec.ts
@@ -0,0 +1,24 @@
+import { e2e } from '@grafana/e2e';
+
+e2e.scenario({
+  describeName: 'Gauge Panel',
+  itName: 'Gauge rendering e2e tests',
+  addScenarioDataSource: false,
+  addScenarioDashBoard: false,
+  skipScenario: false,
+  scenario: () => {
+    // open Panel Tests - Gauge
+    e2e.flows.openDashboard({ uid: '_5rDmaQiz' });
+
+    cy.wait(1000);
+
+    // check that gauges are rendered
+    e2e()
+      .get('body')
+      .find(`.flot-base`)
+      .should('have.length', 16);
+
+    // check that no panel errors exist
+    e2e.components.Panels.Panel.headerCornerInfo('error').should('not.exist');
+  },
+});
diff --git a/packages/grafana-data/src/field/fieldDisplay.ts b/packages/grafana-data/src/field/fieldDisplay.ts
index 2f8260085c5..d0f2000a11c 100644
--- a/packages/grafana-data/src/field/fieldDisplay.ts
+++ b/packages/grafana-data/src/field/fieldDisplay.ts
@@ -128,10 +128,15 @@ export const getFieldDisplayValues = (options: GetFieldDisplayValuesOptions): Fi
         }
 
         let config = field.config; // already set by the prepare task
+
         if (field.state?.range) {
           // Us the global min/max values
-          config = { ...config, ...field.state?.range };
+          config = {
+            ...config,
+            ...field.state?.range,
+          };
         }
+
         const displayName = field.config.displayName ?? defaultDisplayName;
 
         const display =
diff --git a/packages/grafana-e2e-selectors/src/selectors/components.ts b/packages/grafana-e2e-selectors/src/selectors/components.ts
index 5776090ae60..33d8afab5c4 100644
--- a/packages/grafana-e2e-selectors/src/selectors/components.ts
+++ b/packages/grafana-e2e-selectors/src/selectors/components.ts
@@ -18,6 +18,7 @@ export const Components = {
       title: (title: string) => `Panel header title item ${title}`,
       headerItems: (item: string) => `Panel header item ${item}`,
       containerByTitle: (title: string) => `Panel container title ${title}`,
+      headerCornerInfo: (mode: string) => `Panel header ${mode}`,
     },
     Visualization: {
       Graph: {
diff --git a/packages/grafana-ui/src/components/Gauge/Gauge.tsx b/packages/grafana-ui/src/components/Gauge/Gauge.tsx
index 0372c5d9ae5..a3ce3451808 100644
--- a/packages/grafana-ui/src/components/Gauge/Gauge.tsx
+++ b/packages/grafana-ui/src/components/Gauge/Gauge.tsx
@@ -64,8 +64,9 @@ export class Gauge extends PureComponent<Props> {
     const thresholds = field.thresholds ?? Gauge.defaultProps.field?.thresholds!;
     const isPercent = thresholds.mode === ThresholdsMode.Percentage;
     const steps = thresholds.steps;
-    let min = field.min!;
-    let max = field.max!;
+
+    let min = field.min ?? 0;
+    let max = field.max ?? 100;
 
     if (isPercent) {
       min = 0;
@@ -113,9 +114,10 @@ export class Gauge extends PureComponent<Props> {
     const fontSize = this.props.text?.valueSize ?? calculateFontSize(text, valueWidth, dimension, 1, gaugeWidth * 1.7);
     const thresholdLabelFontSize = fontSize / 2.5;
 
-    let min = field.min!;
-    let max = field.max!;
+    let min = field.min ?? 0;
+    let max = field.max ?? 100;
     let numeric = value.numeric;
+
     if (field.thresholds?.mode === ThresholdsMode.Percentage) {
       min = 0;
       max = 100;
@@ -127,6 +129,7 @@ export class Gauge extends PureComponent<Props> {
     }
 
     const decimals = field.decimals === undefined ? 2 : field.decimals!;
+
     if (showThresholdMarkers) {
       min = +min.toFixed(decimals);
       max = +max.toFixed(decimals);
diff --git a/public/app/features/dashboard/dashgrid/PanelHeader/PanelHeaderCorner.tsx b/public/app/features/dashboard/dashgrid/PanelHeader/PanelHeaderCorner.tsx
index 3aadbced5d7..b71dcf2548f 100644
--- a/public/app/features/dashboard/dashgrid/PanelHeader/PanelHeaderCorner.tsx
+++ b/public/app/features/dashboard/dashgrid/PanelHeader/PanelHeaderCorner.tsx
@@ -7,6 +7,7 @@ import { getLocationSrv, getTemplateSrv } from '@grafana/runtime';
 import { PanelModel } from 'app/features/dashboard/state/PanelModel';
 import { getTimeSrv, TimeSrv } from 'app/features/dashboard/services/TimeSrv';
 import { InspectTab } from '../../components/Inspector/types';
+import { selectors } from '@grafana/e2e-selectors';
 
 enum InfoMode {
   Error = 'Error',
@@ -78,9 +79,12 @@ export class PanelHeaderCorner extends Component<Props> {
 
   renderCornerType(infoMode: InfoMode, content: PopoverContent, onClick?: () => void) {
     const theme = infoMode === InfoMode.Error ? 'error' : 'info';
+    const className = `panel-info-corner panel-info-corner--${infoMode.toLowerCase()}`;
+    const ariaLabel = selectors.components.Panels.Panel.headerCornerInfo(infoMode.toLowerCase());
+
     return (
       <Tooltip content={content} placement="top-start" theme={theme}>
-        <div className={`panel-info-corner panel-info-corner--${infoMode.toLowerCase()}`} onClick={onClick}>
+        <div className={className} onClick={onClick} aria-label={ariaLabel}>
           <i className="fa" />
           <span className="panel-info-corner-inner" />
         </div>