Bug: Bars are not completely removed about mpb HOT 3 CLOSED

"github.com/vbauerster/mpb/v8"
"github.com/vbauerster/mpb/v8/decor"

for i := 0; i < numBars; i++ {
	name := fmt.Sprintf("Bar#%d:", i)
	bar := p.AddBar(int64(total),
		mpb.BarID(i),
		mpb.BarOptional(mpb.BarRemoveOnComplete(), true),
		mpb.PrependDecorators(
			decor.Name(name),
		),
		mpb.AppendDecorators(
			decor.Any(func(s decor.Statistics) string {
				return fmt.Sprintf("completed: %v", s.Completed)
			}, decor.WCSyncSpaceR),
			decor.Any(func(s decor.Statistics) string {
				return fmt.Sprintf("aborted: %v", s.Aborted)
			}, decor.WCSyncSpaceR),
			decor.OnComplete(decor.NewPercentage("%d", decor.WCSyncSpace), "done"),
			decor.OnAbort(decor.NewPercentage("%d", decor.WCSyncSpace), "ohno"),
		),
	)
	go func() {
		defer wg.Done()
		rng := rand.New(rand.NewSource(time.Now().UnixNano()))
		max := 100 * time.Millisecond
		for i := 0; bar.IsRunning(); i++ {
			if bar.ID() == 2 && i >= 42 {
				go bar.Abort(false)
			}
			time.Sleep(time.Duration(rng.Intn(10)+1) * max / 10)
			bar.Increment()
		}
	}()
}
// wait for passed wg and for all bars to complete and flush
p.Wait()