Make minPointLenght apply to all blocks in stacked column chart - highcharts

Question

We're using minPointLength property to make points with a value of 0 show up in a stacked column chart. The problem is that now a point with a value of 4 (third column from left in screenshot) is displayed smaller than the minimum height. In the following screenshot the very tiny block with value 4 is hovered and the blocks with 0 are displayed in red.
I expected that blocks with a value bigger than 0 are also bigger than the blocks with a value of 0 or at least same height.
Our overall target is to set a minimum height for all blocks, in a way that all the box labels can be shown.
Here is a fiddle to play around: https://jsfiddle.net/ftmkxdbo/
This is the configuration of our chart:
Highcharts.chart('container', {
"chart": {
"type": "column"
},
"title": {
"text": ""
},
"credits": {
"enabled": false
},
"xAxis": {
"categories": ["10/17", "10/18", "10/19", "10/20"]
},
"yAxis": {
"title": {
"text": ""
},
"stackLabels": {
"enabled": true,
"style": {
"color": "gray"
}
},
"min": 0,
},
"legend": {
"enabled": false
},
"plotOptions": {
"column": {
"stacking": "normal",
"dataLabels": {
"enabled": true,
"style": {
"fontSize": "10px",
"fontWeight": "normal",
"textShadow": "0px"
},
},
"minPointLength": 5,
}
},
"series": [{
"name": "3",
"data": [{
"x": 0,
"y": 3,
}],
"index": 0,
"color": "rgba(120,185,40,0.8)"
}, {
"name": "12",
"data": [{
"x": 0,
"y": 12,
}],
"index": 1,
"color": "rgba(245,155,0,0.8)"
}, {
"name": "19",
"data": [{
"x": 0,
"y": 19,
}],
"index": 2,
"color": "rgba(120,185,40,0.8)"
}, {
"name": "13",
"data": [{
"x": 0,
"y": 13,
}],
"index": 3,
"color": "rgba(120,185,40,0.8)"
}, {
"name": "18",
"data": [{
"x": 1,
"y": 18,
}],
"index": 0,
"color": "rgba(120,185,40,0.8)"
},
// ...
]
});

Answer 1

That is a very problematic issue. Currently the columns overlap because the stacking functionality does not take into account the minPointLength option. If it were otherwise, the total value of the column would be incorrect.
You can see all discussion about this problem on github: https://github.com/highcharts/highcharts/issues/1776