score:0

it seems like this issue: https://github.com/highcharts/highcharts-angular/issues/149

i can't be 100% sure because i haven't seen your code, but it should be fixed by calling the chart.reflow() method. to call it you need access to the chart object. you can just call it in the chartcallbackfunction the only thing is that it needs to be called after the chart gets rendered, that's why you need to wrap it within settimeout()

 chartcallback: highcharts.chartcallbackfunction = function (chart): void {
        settimeout(() => {
            chart.reflow();
        },0);
    }
<highcharts-chart 
     [highcharts]="highcharts"
     [callbackfunction]="chartcallback"
     [options]="chartoptions"
></highcharts-chart>

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