Switch to ViewPager2 was successful; it was essentially a drop-in replacement. There's a bug in the connected TabLayout where, if the app starts and scrolls programmatically to Wednesday or later, the tab won't be focussed until the user starts scrolling again

app/src/main/java/com/denizk0461/studip/adapter/StudIPEventPageAdapter.kt

@@ -7,7 +7,7 @@ import androidx.recyclerview.widget.RecyclerView
 import com.denizk0461.studip.model.StudIPEvent
 import com.denizk0461.studip.databinding.ItemEventPageBinding
 
-class StudIPEventPageAdapter(private val events: List<StudIPEvent>) : RecyclerView.Adapter<StudIPEventPageAdapter.EventPageViewHolder>() {
+class StudIPEventPageAdapter(private var events: List<StudIPEvent>) : RecyclerView.Adapter<StudIPEventPageAdapter.EventPageViewHolder>() {
 
     class EventPageViewHolder(val binding: ItemEventPageBinding) : RecyclerView.ViewHolder(binding.root)
 
@@ -29,4 +29,9 @@ class StudIPEventPageAdapter(private val events: List<StudIPEvent>) : RecyclerVi
             scheduleLayoutAnimation()
         }
     }
+
+    fun setNewItems(items: List<StudIPEvent>) {
+        events = items
+        notifyDataSetChanged()
+    }
 }