How do I update?
You can either update manually or turn on automatic updates. Regardless DON'T uninstall and reinstall to update without backing up your data.
Here is a link with tutorials on how to update apps on Android
There is talk about a new update but I can't find it?
All updates are rolled out and monitored over a period of several days. This is to be able to discover and fix potential problems. I know it frustrating to wait but the update will get there eventually.