diff --git a/lib/Db/TimelineQueryDays.php b/lib/Db/TimelineQueryDays.php
index 2f708473..37741f02 100644
--- a/lib/Db/TimelineQueryDays.php
+++ b/lib/Db/TimelineQueryDays.php
@@ -23,7 +23,7 @@ const CTE_FOLDERS = // CTE to get all folders recursively in the given top folde
             *PREFIX*filecache f
         INNER JOIN *PREFIX*cte_folders c
             ON (f.parent = c.fileid
-                AND f.mimetype = (SELECT `id` FROM `*PREFIX*mimetypes` WHERE `mimetype` = "httpd/unix-directory")
+                AND f.mimetype = (SELECT `id` FROM `*PREFIX*mimetypes` WHERE `mimetype` = \'httpd/unix-directory\')
                 AND f.fileid <> :excludedFolderId
             )
     )';
diff --git a/lib/Db/TimelineQueryTags.php b/lib/Db/TimelineQueryTags.php
index 45ad5edb..8a3b9bfd 100644
--- a/lib/Db/TimelineQueryTags.php
+++ b/lib/Db/TimelineQueryTags.php
@@ -61,7 +61,7 @@ trait TimelineQueryTags
         $query = $this->joinFilecache($query, $folder, true, false);
 
         // GROUP and ORDER by tag name
-        $query->groupBy('st.name');
+        $query->groupBy('st.id');
         $query->orderBy('st.name', 'ASC');
         $query->addOrderBy('st.id'); // tie-breaker
 
diff --git a/lib/Migration/Version400503Date20221101033144.php b/lib/Migration/Version400503Date20221101033144.php
index dc20d4a5..33a412da 100644
--- a/lib/Migration/Version400503Date20221101033144.php
+++ b/lib/Migration/Version400503Date20221101033144.php
@@ -81,6 +81,6 @@ class Version400503Date20221101033144 extends SimpleMigrationStep
     public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void
     {
         // Update oc_memories to set objectid equal to fileid for all rows
-        $this->dbc->executeQuery('UPDATE *PREFIX*memories SET objectid = CAST(fileid AS CHAR)');
+        $this->dbc->executeQuery('UPDATE *PREFIX*memories SET objectid = CAST(fileid AS CHAR(64))');
     }
 }
diff --git a/src/App.vue b/src/App.vue
index 06f8142e..493d750c 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -270,6 +270,13 @@ body {
   max-height: 100vh;
 }
 
+// Top bar is above everything else on mobile
+#content-vue.has-top-bar {
+  @media (max-width: 1024px) {
+    z-index: 3000;
+  }
+}
+
 // Patch viewer to remove the title and
 // make the image fill the entire screen
 .viewer {
diff --git a/src/components/SelectionManager.vue b/src/components/SelectionManager.vue
index 288ca578..46de66c9 100644
--- a/src/components/SelectionManager.vue
+++ b/src/components/SelectionManager.vue
@@ -1,7 +1,7 @@
 <template>
   <div>
-    <div v-if="selection.size > 0" class="top-bar">
-      <NcActions>
+    <div v-if="show" class="top-bar">
+      <NcActions :inline="1">
         <NcActionButton
           :aria-label="t('memories', 'Cancel')"
           @click="clearSelection()"
@@ -47,7 +47,7 @@
 </template>
 
 <script lang="ts">
-import { Component, Emit, Mixins, Prop } from "vue-property-decorator";
+import { Component, Emit, Mixins, Prop, Watch } from "vue-property-decorator";
 import GlobalMixin from "../mixins/GlobalMixin";
 import UserConfig from "../mixins/UserConfig";
 
@@ -88,10 +88,11 @@ type Selection = Map<number, IPhoto>;
     CloseIcon,
   },
 })
-export default class SelectionHandler extends Mixins(GlobalMixin, UserConfig) {
-  @Prop() public selection: Selection;
+export default class SelectionManager extends Mixins(GlobalMixin, UserConfig) {
   @Prop() public heads: { [dayid: number]: IHeadRow };
 
+  private show = false;
+  private readonly selection!: Selection;
   private readonly defaultActions: ISelectionAction[];
 
   @Emit("refresh")
@@ -106,6 +107,8 @@ export default class SelectionHandler extends Mixins(GlobalMixin, UserConfig) {
   constructor() {
     super();
 
+    this.selection = new Map<number, IPhoto>();
+
     // Make default actions
     this.defaultActions = [
       {
@@ -177,6 +180,29 @@ export default class SelectionHandler extends Mixins(GlobalMixin, UserConfig) {
     ];
   }
 
+  @Watch("show")
+  onShowChange() {
+    const elem = document.getElementById("content-vue");
+    const klass = "has-top-bar";
+    if (this.show) {
+      elem.classList.add(klass);
+    } else {
+      elem.classList.remove(klass);
+    }
+  }
+
+  private selectionChanged() {
+    this.show = this.selection.size > 0;
+  }
+
+  /** Is this fileid (or anything if not specified) selected */
+  public has(fileid?: number) {
+    if (fileid === undefined) {
+      return this.selection.size > 0;
+    }
+    return this.selection.has(fileid);
+  }
+
   /** Click on an action */
   private async click(action: ISelectionAction) {
     try {
@@ -191,7 +217,9 @@ export default class SelectionHandler extends Mixins(GlobalMixin, UserConfig) {
 
   /** Get the actions list */
   private getActions(): ISelectionAction[] {
-    return this.defaultActions.filter((a) => (!a.if || a.if(this)) && (!this.routeIsPublic() || a.allowPublic));
+    return this.defaultActions.filter(
+      (a) => (!a.if || a.if(this)) && (!this.routeIsPublic() || a.allowPublic)
+    );
   }
 
   /** Clear all selected photos */
@@ -202,6 +230,7 @@ export default class SelectionHandler extends Mixins(GlobalMixin, UserConfig) {
       photo.flag &= ~this.c.FLAG_SELECTED;
       heads.add(this.heads[photo.d.dayid]);
       this.selection.delete(photo.fileid);
+      this.selectionChanged();
     });
     heads.forEach(this.updateHeadSelected);
     this.$forceUpdate();
@@ -239,9 +268,17 @@ export default class SelectionHandler extends Mixins(GlobalMixin, UserConfig) {
     if (nval) {
       photo.flag |= this.c.FLAG_SELECTED;
       this.selection.set(photo.fileid, photo);
+      this.selectionChanged();
     } else {
       photo.flag &= ~this.c.FLAG_SELECTED;
-      this.selection.delete(photo.fileid);
+
+      // Only do this if the photo in the selection set is this one.
+      // The problem arises when there are duplicates (e.g. face rect)
+      // in the list, which creates an inconsistent state if we do this.
+      if (this.selection.get(photo.fileid) === photo) {
+        this.selection.delete(photo.fileid);
+        this.selectionChanged();
+      }
     }
 
     if (!noUpdate) {
@@ -509,11 +546,11 @@ export default class SelectionHandler extends Mixins(GlobalMixin, UserConfig) {
   right: 60px;
   padding: 8px;
   width: 400px;
-  max-width: calc(100vw - 30px);
+  max-width: 100vw;
   background-color: var(--color-main-background);
   box-shadow: 0 0 2px gray;
   border-radius: 10px;
-  opacity: 0.95;
+  opacity: 0.97;
   display: flex;
   vertical-align: middle;
   z-index: 100;
@@ -524,9 +561,17 @@ export default class SelectionHandler extends Mixins(GlobalMixin, UserConfig) {
     padding-left: 8px;
   }
 
-  @media (max-width: 768px) {
-    top: 35px;
-    right: 15px;
+  @media (max-width: 1024px) {
+    // sidebar is hidden below this point
+    top: 0;
+    left: 0;
+    right: unset;
+    position: fixed;
+    width: 100vw;
+    border-radius: 0px;
+    opacity: 1;
+    padding-top: 3px;
+    padding-bottom: 3px;
   }
 }
 </style>
diff --git a/src/components/Timeline.vue b/src/components/Timeline.vue
index 4d2e009c..6361d175 100644
--- a/src/components/Timeline.vue
+++ b/src/components/Timeline.vue
@@ -73,7 +73,7 @@
           <div
             class="photo"
             v-for="photo of item.photos"
-            :key="photo.fileid"
+            :key="photo.key || photo.fileid"
             :style="{
               height: photo.dispH + 'px',
               width: photo.dispW + 'px',
@@ -116,7 +116,6 @@
 
     <SelectionManager
       ref="selectionManager"
-      :selection="selection"
       :heads="heads"
       @refresh="softRefresh"
       @delete="deleteFromViewWithAnimation"
@@ -153,7 +152,7 @@ import TopMatter from "./top-matter/TopMatter.vue";
 
 const SCROLL_LOAD_DELAY = 100; // Delay in loading data when scrolling
 const DESKTOP_ROW_HEIGHT = 200; // Height of row on desktop
-const MOBILE_NUM_COLS = 3; // Number of columns on phone
+const MOBILE_ROW_HEIGHT = 120; // Approx row height on mobile
 
 @Component({
   components: {
@@ -204,8 +203,6 @@ export default class Timeline extends Mixins(GlobalMixin, UserConfig) {
   private fetchDayQueue = [] as number[];
   /** Timer to load day call */
   private fetchDayTimer = null as number | null;
-  /** Set of selected file ids */
-  private selection = new Map<number, IPhoto>();
 
   /** State for request cancellations */
   private state = Math.random();
@@ -255,8 +252,12 @@ export default class Timeline extends Mixins(GlobalMixin, UserConfig) {
     return window.innerWidth <= 768;
   }
 
+  isMobileLayout() {
+    return window.innerWidth <= 600;
+  }
+
   allowBreakout() {
-    return this.isMobile() && !this.config_squareThumbs;
+    return this.isMobileLayout() && !this.config_squareThumbs;
   }
 
   /** Create new state */
@@ -353,14 +354,13 @@ export default class Timeline extends Mixins(GlobalMixin, UserConfig) {
       return;
     }
 
-    if (this.isMobile()) {
+    if (this.isMobileLayout()) {
       // Mobile
-      this.numCols = MOBILE_NUM_COLS;
+      this.numCols = Math.max(3, Math.floor(this.rowWidth / MOBILE_ROW_HEIGHT));
       this.rowHeight = Math.floor(this.rowWidth / this.numCols);
     } else {
       // Desktop
       if (this.config_squareThumbs) {
-        // Set columns first, then height
         this.numCols = Math.max(
           3,
           Math.floor(this.rowWidth / DESKTOP_ROW_HEIGHT)
@@ -883,7 +883,7 @@ export default class Timeline extends Mixins(GlobalMixin, UserConfig) {
     }
 
     // Force all to square
-    const squareMode = this.isMobile() || this.config_squareThumbs;
+    const squareMode = this.isMobileLayout() || this.config_squareThumbs;
 
     // Create justified layout with correct params
     const justify = getLayout(
@@ -924,6 +924,9 @@ export default class Timeline extends Mixins(GlobalMixin, UserConfig) {
     let rowIdx = headIdx + 1;
     let rowY = headY + head.size;
 
+    // Duplicate detection, e.g. for face rects
+    const seen = new Map<number, number>();
+
     // Previous justified row
     let prevJustifyTop = justify[0]?.top || 0;
 
@@ -1010,6 +1013,18 @@ export default class Timeline extends Mixins(GlobalMixin, UserConfig) {
       // Move to next index of photo
       dataIdx++;
 
+      // Duplicate detection.
+      // These may be valid, e.g. in face rects. All we need to have
+      // is a unique Vue key for the v-for loop.
+      if (seen.has(photo.fileid)) {
+        const val = seen.get(photo.fileid);
+        photo.key = `${photo.fileid}-${val}`;
+        seen.set(photo.fileid, val + 1);
+      } else {
+        photo.key = null;
+        seen.set(photo.fileid, 1);
+      }
+
       // Add photo to row
       row.photos.push(photo);
     }
@@ -1097,7 +1112,7 @@ export default class Timeline extends Mixins(GlobalMixin, UserConfig) {
   clickPhoto(photo: IPhoto) {
     if (photo.flag & this.c.FLAG_PLACEHOLDER) return;
 
-    if (this.selection.size > 0) {
+    if (this.selectionManager.has()) {
       // selection mode
       this.selectionManager.selectPhoto(photo);
     } else {
diff --git a/src/types.ts b/src/types.ts
index d59a3a33..13c687eb 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -35,6 +35,8 @@ export type IDay = {
 export type IPhoto = {
   /** Nextcloud ID of file */
   fileid: number;
+  /** Vue key if duplicates present (otherwise use fileid) */
+  key?: string;
   /** Etag from server */
   etag?: string;
   /** Path to file */