diff --git a/feature-flow.css b/feature-flow.css
index 00c4cd8..749fade 100644
--- a/feature-flow.css
+++ b/feature-flow.css
@@ -14,13 +14,13 @@ ul {
   border: 3px solid var(--background-color);
   color: var(--background-color);
   background-color: white;
-  height: var(--feature-item-height);
+  min-height: var(--feature-item-height);
   display: flex;
   flex-direction: column;
   justify-content: center;
   align-items: center;
   font-size: 12pt;
-  padding: 0 0.5rem;
+  padding: 0 0.5rem 0.2rem;
   text-align: center;
   transition-property: border, color, background-color, font-size;
   transition-duration: 1s;
diff --git a/src/modules/feature/FeatureItem.vue b/src/modules/feature/FeatureItem.vue
index 19ea4ea..d1b6bc6 100644
--- a/src/modules/feature/FeatureItem.vue
+++ b/src/modules/feature/FeatureItem.vue
@@ -7,16 +7,14 @@ const hasQualityIssues = computed(() => props.feature.qualityIssue > 0)
 </script>
 
 <template>
-  <div class="feature-item">
-    <div class="bin">
-      <div>
-        {{ feature.name }}
-        <span class="numeric">({{ feature.complexity }})</span>
-      </div>
-      <div class="lead-time numeric">{{ feature.leadTime }} days</div>
-      <div v-if="hasQualityIssues" class="red-bin numeric">
-        {{ feature.qualityIssue }} issues
-      </div>
+  <div class="feature-item bin">
+    <div>
+      {{ feature.name }}
+      <span class="numeric">({{ feature.complexity }})</span>
+    </div>
+    <div class="lead-time numeric">{{ feature.leadTime }} days</div>
+    <div v-if="hasQualityIssues" class="red-bin numeric">
+      {{ feature.qualityIssue }} 🔴
     </div>
   </div>
 </template>
@@ -24,8 +22,8 @@ const hasQualityIssues = computed(() => props.feature.qualityIssue > 0)
 <style scoped lang="scss">
 .feature-item {
   .red-bin {
-    background-color: #ff7979;
-    padding: 0 0.5rem;
+    border: 2px solid #ff7979;
+    padding: 0 0.5rem 0.1rem;
   }
 }
 </style>
diff --git a/src/modules/feature/FeatureStep.vue b/src/modules/feature/FeatureStep.vue
index 6e7a516..19181e2 100644
--- a/src/modules/feature/FeatureStep.vue
+++ b/src/modules/feature/FeatureStep.vue
@@ -23,16 +23,13 @@ const hasFeaturesInProgress = computed(
   () => featuresInProgress.value.length > 0
 )
 const hasFeaturesDone = computed(() => featuresDone.value.length > 0)
-const isLive = computed(
-  () => props.step.title.toLocaleLowerCase() === 'release'
-)
 </script>
 
 <template>
   <li class="feature-step">
     <header>{{ step.title }}</header>
     <section class="doing">
-      <h5>📝⌛</h5>
+      <h5>📝⌛ ({{ featuresInProgress.length }})</h5>
       <ul v-if="hasFeaturesInProgress">
         <li v-for="feature in featuresInProgress" :key="feature.name">
           <Starport
@@ -45,7 +42,7 @@ const isLive = computed(
       </ul>
     </section>
     <section class="done">
-      <h5>📝✅</h5>
+      <h5>📝✅ ({{ featuresDone.length }})</h5>
       <div
         v-for="blueBucket in remainingBlueBuckets"
         :key="blueBucket"
@@ -57,7 +54,7 @@ const isLive = computed(
         <li v-for="feature in featuresDone" :key="feature.name">
           <Starport
             :port="feature.name"
-            style="height: var(--feature-item-height)"
+            style="height: calc(var(--feature-item-height) + 0.2rem)"
           >
             <FeatureItem :feature="feature" />
           </Starport>
@@ -68,6 +65,22 @@ const isLive = computed(
 </template>
 
 <style scoped lang="scss">
+@mixin hideScrollbar {
+  // https://blogs.msdn.microsoft.com/kurlak/2013/11/03/hiding-vertical-scrollbars-with-pure-css-in-chrome-ie-6-firefox-opera-and-safari/
+  // There is a CSS rule that can hide scrollbars in Webkit-based browsers (Chrome and Safari).
+  &::-webkit-scrollbar {
+    width: 0 !important;
+  }
+  // There is a CSS rule that can hide scrollbars in IE 10+.
+  -ms-overflow-style: none;
+
+  // Use -ms-autohiding-scrollbar if you wish to display on hover.
+  // -ms-overflow-style: -ms-autohiding-scrollbar;
+
+  // There used to be a CSS rule that could hide scrollbars in Firefox, but it has since been deprecated.
+  scrollbar-width: none;
+}
+
 .feature-step {
   header {
     padding: 0.5rem;
@@ -76,10 +89,13 @@ const isLive = computed(
   }
 
   section {
+    @include hideScrollbar();
     margin: 1rem 0;
     flex: 1;
     display: flex;
     flex-direction: column;
+    overflow-y: auto;
+    max-height: 40vh;
   }
 
   h5 {
@@ -87,6 +103,7 @@ const isLive = computed(
     background-color: var(--background-color);
     padding: 0.35rem;
     text-align: center;
+    color: white;
   }
 
   li {
@@ -95,7 +112,6 @@ const isLive = computed(
 
   .done-list {
     flex: 1;
-    overflow-y: auto;
   }
 }
 </style>
diff --git a/src/modules/feature/FeatureSteps.vue b/src/modules/feature/FeatureSteps.vue
index d6e1ce3..1ec066a 100644
--- a/src/modules/feature/FeatureSteps.vue
+++ b/src/modules/feature/FeatureSteps.vue
@@ -8,24 +8,35 @@ import { computed, onMounted, ref } from 'vue'
 
 const featureBoard = createFeatureBoard()
 
+const totalDays = ref(0)
 const features = ref<Feature[]>([])
 
 const meanComplexity = computed(
   () =>
-    sumElements(features.value.map((feature) => feature.complexity)) /
-    features.value.length
+    Math.round(
+      100 *
+        (sumElements(features.value.map((feature) => feature.complexity)) /
+          features.value.length)
+    ) / 100
 )
 
 const meanLeadTime = computed(
   () =>
-    sumElements(features.value.map((feature) => feature.leadTime)) /
-    features.value.length
+    Math.round(
+      100 *
+        (sumElements(features.value.map((feature) => feature.leadTime)) /
+          features.value.length)
+    ) / 100
 )
 
 onMounted(() => (features.value = featureBoard.initBoard(featureSteps)))
 
 const nextDay = () => {
-  features.value = featureBoard.nextDay(features.value)
+  totalDays.value++
+  features.value = featureBoard.nextDay(
+    features.value,
+    featureSteps[0].stepIndex
+  )
 }
 
 const featuresGroupedByStep = computed(() => {
@@ -51,6 +62,7 @@ const featuresGroupedByStep = computed(() => {
     </div>
     <div>
       <button @click="nextDay">next day</button>
+      Total days: {{ totalDays }}
     </div>
   </div>
   <ul class="features-steps">
diff --git a/src/modules/feature/feature-board.ts b/src/modules/feature/feature-board.ts
index 5f594cd..03d9246 100644
--- a/src/modules/feature/feature-board.ts
+++ b/src/modules/feature/feature-board.ts
@@ -3,6 +3,8 @@ import { FeatureStep } from '@/modules/feature/feature-steps'
 import { features } from '@/modules/feature/feature.fixture'
 import { pickRandomElement, popNElement, shuffleArray } from '@/utils'
 
+const MAX_FEATURES = 30
+
 const hasQualityIssue = (
   complexity: number,
   tasksInParallel: number
@@ -10,18 +12,24 @@ const hasQualityIssue = (
   let probabilityOfQualityIssue = 0
 
   switch (complexity) {
+    case 0:
+      probabilityOfQualityIssue = 0.99
+
     case 1:
-      probabilityOfQualityIssue = 0.8
+      probabilityOfQualityIssue = 0.93
       break
     case 2:
-      probabilityOfQualityIssue = 0.7
+      probabilityOfQualityIssue = 0.9
       break
     case 3:
-      probabilityOfQualityIssue = 0.6
+      probabilityOfQualityIssue = 0.85
+      break
+    case 4:
+      probabilityOfQualityIssue = 0.77
       break
 
     default:
-      probabilityOfQualityIssue = 0.5
+      probabilityOfQualityIssue = 0.65
       break
   }
 
@@ -38,6 +46,8 @@ const hasQualityIssue = (
       multiplicator = 1.1
     case 5:
       multiplicator = 1.15
+    default:
+      multiplicator = 1.25
   }
 
   return Math.random() > probabilityOfQualityIssue / multiplicator
@@ -58,7 +68,7 @@ export const createFeatureBoard = () => {
     return initialFeatures
   }
 
-  const nextDay = (features: Feature[]): Feature[] => {
+  const nextDay = (features: Feature[], initialStep: number): Feature[] => {
     features.forEach((feature) => {
       const isFeatureLive = feature.step === 0 && feature.status === 'done'
       if (isFeatureLive) {
@@ -91,6 +101,14 @@ export const createFeatureBoard = () => {
       }
     })
 
+    if (features.length < MAX_FEATURES) {
+      const [newFeature] = popNElement(boardFeatures, 1)
+
+      if (newFeature) {
+        features.push({ ...newFeature, step: initialStep })
+      }
+    }
+
     return features
   }
 
diff --git a/src/modules/feature/feature.fixture.ts b/src/modules/feature/feature.fixture.ts
index b6e052d..3dc90bd 100644
--- a/src/modules/feature/feature.fixture.ts
+++ b/src/modules/feature/feature.fixture.ts
@@ -205,7 +205,7 @@ const featureNames = [
 
 export const features: Feature[] = featureNames.map((name) => ({
   name,
-  complexity: Math.floor(Math.random() * 5),
+  complexity: Math.floor(Math.random() * 6),
   leadTime: 0,
   status: 'doing',
   step: Infinity,