diff --git a/src/components/popover/popover.js b/src/components/popover/popover.js
index 88d1769c..ce07a067 100644
--- a/src/components/popover/popover.js
+++ b/src/components/popover/popover.js
@@ -135,7 +135,7 @@ const Popover = {
       if (origin.y - contentOffsetBlockSize < yBounds.min) usingTop = false
 
       let vPadding = 0
-      if (this.removePadding && (usingTop || isVRL)) {
+      if (this.removePadding && usingTop) {
         const anchorStyle = getComputedStyle(anchorEl)
         vPadding = parseFloat(anchorStyle.paddingBlockStart) + parseFloat(anchorStyle.paddingBlockEnd)
       }
@@ -143,8 +143,8 @@ const Popover = {
       // offset is repurposed as an abstract value set, as well as margin
       const yOffset = (this.offset && this.offset.y) || 0
       const translateY = usingTop
-        ? -anchorBlockSize + vPadding - yOffset - contentOffsetBlockSize + (isVRL ? vPadding /* why do I need this argument? */ : 0)
-        : yOffset + (isVRL ? anchorBlockSize - vPadding : 0)
+        ? -anchorBlockSize + vPadding - yOffset - contentOffsetBlockSize
+        : yOffset
       const translateYLogical = isVRL ? -translateY : translateY
 
       const xOffset = (this.offset && this.offset.x) || 0
diff --git a/src/components/status/status.scss b/src/components/status/status.scss
index 2f44a095..f48fdad7 100644
--- a/src/components/status/status.scss
+++ b/src/components/status/status.scss
@@ -318,6 +318,14 @@
       min-inline-size: fit-content;
       flex: 1;
     }
+
+    /*
+       fix for the unknown factor that makes popover shift rightward
+       in vertical-rl mode on Firefox. Bug? To be investigated.
+    */
+    _:lang(x)::-moz-placeholder, .#{$writing-mode-vertical}rl & .popover {
+      margin-block-start: 22px;
+    }
   }
 
   .muted {
diff --git a/src/components/timeline_menu/timeline_menu.vue b/src/components/timeline_menu/timeline_menu.vue
index 16038825..386f2f4f 100644
--- a/src/components/timeline_menu/timeline_menu.vue
+++ b/src/components/timeline_menu/timeline_menu.vue
@@ -36,6 +36,7 @@
 
 <style lang="scss">
 @import '../../_variables.scss';
+@import '../../_logical.scss';
 
 .TimelineMenu {
   flex-shrink: 1;
@@ -63,6 +64,8 @@
     border-start-end-radius: 0;
     border-start-start-radius: 0;
     transform: translateY(-100%);
+    .#{$writing-mode-vertical}lr & { transform: translateX(-100%) }
+    .#{$writing-mode-vertical}rl & { transform: translateX(100%) }
     transition: transform 100ms;
   }