diff --git a/package.json b/package.json
index 4cd72cb..37033b5 100644
--- a/package.json
+++ b/package.json
@@ -37,11 +37,11 @@
     "last 10 Chrome versions",
     "last 10 Firefox versions",
     "last 4 Edge versions",
-    "last 6 Safari versions",
+    "last 4 Safari versions",
     "last 8 Android versions",
-    "last 8 ChromeAndroid versions",
-    "last 8 FirefoxAndroid versions",
-    "last 10 iOS versions"
+    "last 1 ChromeAndroid versions",
+    "last 1 FirefoxAndroid versions",
+    "last 6 iOS versions"
   ],
   "engines": {
     "node": ">= 11.0.0",
diff --git a/src/boot/filter.ts b/src/boot/filter.ts
index 4e33344..8c4d81b 100644
--- a/src/boot/filter.ts
+++ b/src/boot/filter.ts
@@ -24,4 +24,7 @@ export default boot(({ Vue }) => {
   Vue.filter('time', (date: Date, seconds = false) =>
     formatDateTime(date, false, true, seconds)
   );
+  Vue.filter('dateTime', (date: Date, seconds = false, weekday = false) =>
+    formatDateTime(date, true, true, seconds, weekday)
+  );
 });
diff --git a/src/flaschengeist.d.ts b/src/flaschengeist.d.ts
index f394753..8663558 100644
--- a/src/flaschengeist.d.ts
+++ b/src/flaschengeist.d.ts
@@ -25,21 +25,22 @@ declare namespace FG {
     id: number;
     time: Date;
     amount: number;
-    sender_id: string;
-    receiver_id: string;
-    author_id: string;
+    reversal?: this;
+    sender_id?: string;
+    receiver_id?: string;
+    author_id?: string;
   }
   interface Event {
     id: number;
     start: Date;
-    description?: any;
+    description?: string;
     type: EventType;
     slots: Array<EventSlot>;
   }
   interface EventSlot {
     id: number;
     start: Date;
-    end?: any;
+    end?: Date;
     jobs: Array<JobSlot>;
   }
   type EventType = string;