We created a group chat of up to 7 people, but when we finished the group chat, we can't dismiss the group. Group members can only remove the group from the private channel, and can not dismiss the group. Other members can still see the group and send messages. The removed group will appear in the private channel again when other member send a message.
I hope that the creator of the group chat can dismiss the group, and all members of the group will leave the group after the dissolution.