Unless you happen to prefer message bubbles. Most people prefer a more modern style.
Make sure you have app notifications enabled for Element/SchildiChat so you receive notifications when people reply to you, mention you, or mention one of your keywords. If you do happen to want passive (silent/non-vibrating) notifications for all messages, then ignore the above step and keep "Group messages" enabled. Some people prefer this.
It's in the "Notifications" section of settings with everything else above.