Merge that good fresh upstream shit

app/javascript/styles/components.scss

@@ -1464,6 +1464,11 @@
   .permalink {
     text-decoration: none;
   }
+
+  .icon-button {
+    pointer-events: none;
+    opacity: 0;
+  }
 }
 
 .navigation-bar__profile {
@@ -4160,3 +4165,66 @@ noscript {
     margin: 20px 0;
   }
 }
+
+@media screen and (max-width: 1024px) and (max-height: 400px) {
+  $duration: 400ms;
+  $delay: 100ms;
+
+  .tabs-bar,
+  .search {
+    will-change: margin-top;
+    transition: margin-top $duration $delay;
+  }
+
+  .navigation-bar {
+    will-change: padding-bottom;
+    transition: padding-bottom $duration $delay;
+  }
+
+  .navigation-bar {
+    & > a:first-child {
+      will-change: margin-top, margin-left, width;
+      transition: margin-top $duration $delay, margin-left $duration ($duration + $delay);
+    }
+
+    & > .navigation-bar__profile-edit {
+      will-change: margin-top;
+      transition: margin-top $duration $delay;
+    }
+
+    & > .icon-button {
+      will-change: opacity;
+      transition: opacity $duration $delay;
+    }
+  }
+
+  .is-composing {
+    .tabs-bar,
+    .search {
+      margin-top: -50px;
+    }
+
+    .navigation-bar {
+      padding-bottom: 0;
+
+      & > a:first-child {
+        margin-top: -50px;
+        margin-left: -40px;
+      }
+
+      .navigation-bar__profile {
+        padding-top: 2px;
+      }
+
+      .navigation-bar__profile-edit {
+        position: absolute;
+        margin-top: -50px;
+      }
+
+      .icon-button {
+        pointer-events: auto;
+        opacity: 1;
+      }
+    }
+  }
+}