iOS widget temperature - loading error

I am not sure why it is not working for you. Could you let me know all the types of bridges you have connected in Hue Essentials? Please also share your crash identifier: Crash identifier

We are planning to introduce new iOS 14 widgets in a future update, which will replace the widgets that are currently available. So that could fix the issue as well as we need to rewrite the widgets completely. See the following for updates: Add support for iOS 14 widgets