diff --git a/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt b/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
index 7d3ddd198f..f35e919d19 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
@@ -5,6 +5,7 @@ import android.graphics.drawable.Drawable
 import eu.kanade.domain.source.service.SourcePreferences
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.extension.api.ExtensionGithubApi
+import eu.kanade.tachiyomi.extension.api.ExtensionUpdateNotifier
 import eu.kanade.tachiyomi.extension.model.Extension
 import eu.kanade.tachiyomi.extension.model.InstallStep
 import eu.kanade.tachiyomi.extension.model.LoadResult
@@ -195,7 +196,7 @@ class ExtensionManager(
     }
 
     /**
-     * Returns an observable of the installation process for the given extension. It will complete
+     * Returns a flow of the installation process for the given extension. It will complete
      * once the extension is installed or throws an error. The process will be canceled if
      * unsubscribed before its completion.
      *
@@ -206,7 +207,7 @@ class ExtensionManager(
     }
 
     /**
-     * Returns an observable of the installation process for the given extension. It will complete
+     * Returns a flow of the installation process for the given extension. It will complete
      * once the extension is updated or throws an error. The process will be canceled if
      * unsubscribed before its completion.
      *
@@ -356,6 +357,10 @@ class ExtensionManager(
     }
 
     private fun updatePendingUpdatesCount() {
-        preferences.extensionUpdatesCount().set(_installedExtensionsFlow.value.count { it.hasUpdate })
+        val pendingUpdateCount = _installedExtensionsFlow.value.count { it.hasUpdate }
+        preferences.extensionUpdatesCount().set(pendingUpdateCount)
+        if (pendingUpdateCount == 0) {
+            ExtensionUpdateNotifier(context).dismiss()
+        }
     }
 }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/extension/api/ExtensionUpdateNotifier.kt b/app/src/main/java/eu/kanade/tachiyomi/extension/api/ExtensionUpdateNotifier.kt
index f891607f6e..9080c0c62c 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/extension/api/ExtensionUpdateNotifier.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/extension/api/ExtensionUpdateNotifier.kt
@@ -5,6 +5,7 @@ import androidx.core.app.NotificationCompat
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.notification.NotificationReceiver
 import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.util.system.cancelNotification
 import eu.kanade.tachiyomi.util.system.notify
 
 class ExtensionUpdateNotifier(private val context: Context) {
@@ -29,4 +30,8 @@ class ExtensionUpdateNotifier(private val context: Context) {
             setAutoCancel(true)
         }
     }
+
+    fun dismiss() {
+        context.cancelNotification(Notifications.ID_UPDATES_TO_EXTS)
+    }
 }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionsScreenModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionsScreenModel.kt
index 2edd8f7210..a1a92f1420 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionsScreenModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionsScreenModel.kt
@@ -157,14 +157,14 @@ class ExtensionsScreenModel(
         extensionManager.cancelInstallUpdateExtension(extension)
     }
 
-    private fun removeDownloadState(extension: Extension) {
-        _currentDownloads.update { it - extension.pkgName }
-    }
-
     private fun addDownloadState(extension: Extension, installStep: InstallStep) {
         _currentDownloads.update { it + Pair(extension.pkgName, installStep) }
     }
 
+    private fun removeDownloadState(extension: Extension) {
+        _currentDownloads.update { it - extension.pkgName }
+    }
+
     private suspend fun Flow<InstallStep>.collectToInstallUpdate(extension: Extension) =
         this
             .onEach { installStep -> addDownloadState(extension, installStep) }
diff --git a/domain/src/main/java/tachiyomi/domain/manga/interactor/SetFetchInterval.kt b/domain/src/main/java/tachiyomi/domain/manga/interactor/SetFetchInterval.kt
index 35c6bb22e4..6dc77819eb 100644
--- a/domain/src/main/java/tachiyomi/domain/manga/interactor/SetFetchInterval.kt
+++ b/domain/src/main/java/tachiyomi/domain/manga/interactor/SetFetchInterval.kt
@@ -40,7 +40,7 @@ class SetFetchInterval(
     fun getWindow(dateTime: ZonedDateTime): Pair<Long, Long> {
         val today = dateTime.toLocalDate().atStartOfDay(dateTime.zone)
         val lowerBound = today.minusDays(FETCH_INTERVAL_GRACE_PERIOD.toLong())
-        val upperBound = lowerBound.plusDays(FETCH_INTERVAL_GRACE_PERIOD.toLong())
+        val upperBound = today.plusDays(FETCH_INTERVAL_GRACE_PERIOD.toLong())
         return Pair(lowerBound.toEpochSecond() * 1000, upperBound.toEpochSecond() * 1000 - 1)
     }