diff --git a/src/components/pages/Library.svelte b/src/components/pages/Library.svelte
index 15d593d..f547b66 100644
--- a/src/components/pages/Library.svelte
+++ b/src/components/pages/Library.svelte
@@ -858,12 +858,12 @@
           class="icon-btn refresh-btn"
           class:icon-btn-active={refreshing}
           class:refresh-btn-done={refreshDone}
-          title={refreshing ? `Checking… ${refreshProgress.finished}/${refreshProgress.total}` : refreshDone ? "Library updated" : "Check for updates"}
+          title={refreshing ? (refreshProgress.finished > 0 ? `Checking… ${refreshProgress.finished}/${refreshProgress.total}` : "Checking…") : refreshDone ? "Library updated" : "Check for updates"}
           disabled={refreshing}
           onclick={startLibraryRefresh}
         >
           <ArrowsClockwise size={15} weight="bold" class={refreshing ? "anim-spin" : ""} />
-          {#if refreshing && refreshProgress.total > 0}
+          {#if refreshing && refreshProgress.finished > 0}
             <span class="refresh-progress">{refreshProgress.finished}/{refreshProgress.total}</span>
           {/if}
         </button>
@@ -971,7 +971,7 @@
     </div>
 
     <!-- ── Refresh progress bar ──────────────────────────────────────────────── -->
-    {#if refreshing && refreshProgress.total > 0}
+    {#if refreshing && refreshProgress.finished > 0}
       {@const pct = Math.round((refreshProgress.finished / refreshProgress.total) * 100)}
       <div class="refresh-bar-wrap" aria-hidden="true">
         <div class="refresh-bar-fill" style="width:{pct}%"></div>
@@ -1059,6 +1059,9 @@
               <Thumbnail src={m.thumbnailUrl} alt={m.title} class="cover" style="object-fit:{store.settings.libraryCropCovers ? 'cover' : 'contain'}" draggable="false" />
               {#if m.downloadCount}<span class="badge-dl">{m.downloadCount}</span>{/if}
               {#if m.unreadCount}<span class="badge-unread">{m.unreadCount}</span>{/if}
+              {#if store.libraryUpdates.some(u => u.mangaId === m.id) && !store.acknowledgedUpdates.has(m.id)}
+                <span class="badge-new" aria-label="New chapters"></span>
+              {/if}
               {#if selectMode}
                 <div class="select-overlay" aria-hidden="true">
                   <div class="select-check" class:checked={isSelected}>
@@ -1186,6 +1189,7 @@
   .cover { width: 100%; height: 100%; transition: filter var(--t-base); will-change: filter; }
   .badge-dl { position: absolute; bottom: var(--sp-1); right: var(--sp-1); min-width: 18px; height: 18px; padding: 0 3px; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: bold; background: var(--accent-dim); color: var(--accent-fg); border-radius: var(--radius-sm); border: 1px solid var(--accent-muted); }
   .badge-unread { position: absolute; top: var(--sp-1); left: var(--sp-1); min-width: 18px; height: 18px; padding: 0 4px; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: bold; background: var(--bg-void); color: var(--text-primary); border-radius: var(--radius-sm); border: 1px solid var(--border-strong); }
+  .badge-new { position: absolute; top: 6px; right: 6px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-fg); border: 2px solid var(--bg-base); box-shadow: 0 0 6px var(--accent); }
 
   /* Select overlay (checkbox) */
   .select-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.18); display: flex; align-items: flex-start; justify-content: flex-end; padding: 6px; pointer-events: none; }
diff --git a/src/components/series/SeriesDetail.svelte b/src/components/series/SeriesDetail.svelte
index 3c1cbf7..41580f2 100644
--- a/src/components/series/SeriesDetail.svelte
+++ b/src/components/series/SeriesDetail.svelte
@@ -6,7 +6,7 @@
   import { GET_MANGA, GET_CHAPTERS, FETCH_CHAPTERS, ENQUEUE_DOWNLOAD, UPDATE_MANGA, MARK_CHAPTER_READ, MARK_CHAPTERS_READ, DELETE_DOWNLOADED_CHAPTERS, ENQUEUE_CHAPTERS_DOWNLOAD, GET_ALL_MANGA, GET_CATEGORIES, CREATE_CATEGORY, UPDATE_MANGA_CATEGORIES } from "../../lib/queries";
   import { cache, CACHE_KEYS, recordSourceAccess } from "../../lib/cache";
   import { dedupeMangaById, dedupeMangaByTitle } from "../../lib/util";
-  import { store, addToast, updateSettings, openReader, setActiveManga, setGenreFilter, setNavPage, linkManga, unlinkManga, setPreviewManga, checkAndMarkCompleted as storeCheckAndMarkCompleted, clearMarkersForManga, addBookmark } from "../../store/state.svelte";
+  import { store, addToast, updateSettings, openReader, setActiveManga, setGenreFilter, setNavPage, linkManga, unlinkManga, setPreviewManga, checkAndMarkCompleted as storeCheckAndMarkCompleted, clearMarkersForManga, addBookmark, acknowledgeUpdate } from "../../store/state.svelte";
   import type { MangaPrefs } from "../../store/state.svelte";
   import { DEFAULT_MANGA_PREFS } from "../../store/state.svelte";
   import type { Manga, Chapter, Category } from "../../lib/types";
@@ -326,7 +326,7 @@
 
   $effect(() => {
     const m = store.activeManga;
-    if (m) untrack(() => { loadManga(m.id); loadChapters(m.id); loadCategories(m.id); });
+    if (m) untrack(() => { acknowledgeUpdate(m.id); loadManga(m.id); loadChapters(m.id); loadCategories(m.id); });
   });
 
   let prevChapterId: number | null = null;
diff --git a/src/store/state.svelte.ts b/src/store/state.svelte.ts
index 350dad4..130cfce 100644
--- a/src/store/state.svelte.ts
+++ b/src/store/state.svelte.ts
@@ -449,20 +449,22 @@ class Store {
   readerSessionId: number          = $state(0);
   libraryUpdates:  LibraryUpdateEntry[] = $state(saved?.libraryUpdates ?? []);
   lastLibraryRefresh: number       = $state(saved?.lastLibraryRefresh ?? 0);
+  acknowledgedUpdates: Set<number> = $state(new Set(saved?.acknowledgedUpdateIds ?? []));
 
   constructor() {
     $effect.root(() => {
       $effect(() => {
         persist({
-          settings:           this.settings,
-          history:            this.history,
-          bookmarks:          this.bookmarks,
-          markers:            this.markers,
-          readLog:            this.readLog,
-          readingStats:       this.readingStats,
-          libraryUpdates:     this.libraryUpdates,
-          lastLibraryRefresh: this.lastLibraryRefresh,
-          storeVersion:       STORE_VERSION,
+          settings:              this.settings,
+          history:               this.history,
+          bookmarks:             this.bookmarks,
+          markers:               this.markers,
+          readLog:               this.readLog,
+          readingStats:          this.readingStats,
+          libraryUpdates:        this.libraryUpdates,
+          lastLibraryRefresh:    this.lastLibraryRefresh,
+          acknowledgedUpdateIds: [...this.acknowledgedUpdates],
+          storeVersion:          STORE_VERSION,
         });
       });
     });
@@ -692,8 +694,14 @@ class Store {
   }
 
   clearLibraryUpdates() {
-    this.libraryUpdates     = [];
-    this.lastLibraryRefresh = 0;
+    this.libraryUpdates      = [];
+    this.lastLibraryRefresh  = 0;
+    this.acknowledgedUpdates = new Set();
+  }
+
+  acknowledgeUpdate(mangaId: number) {
+    if (this.acknowledgedUpdates.has(mangaId)) return;
+    this.acknowledgedUpdates = new Set([...this.acknowledgedUpdates, mangaId]);
   }
 
   bumpReaderSession() {
@@ -733,6 +741,7 @@ export function resetKeybinds()                                            { sto
 export function clearDiscoverCache()                                         { store.clearDiscoverCache(); }
 export function setLibraryUpdates(entries: LibraryUpdateEntry[])             { store.setLibraryUpdates(entries); }
 export function clearLibraryUpdates()                                        { store.clearLibraryUpdates(); }
+export function acknowledgeUpdate(mangaId: number)                           { store.acknowledgeUpdate(mangaId); }
 export function bumpReaderSession()                                          { store.bumpReaderSession(); }
 export function addBookmark(entry: Omit<BookmarkEntry, "savedAt">, label?: string) { store.addBookmark(entry, label); }
 export function removeBookmark(chapterId: number)                              { store.removeBookmark(chapterId); }