My widgets don't work (22621.1343). The temperature bug on the left of the task bar eventually does show up, but it takes a long time. Many minutes.
You should be able to fix it by uninstalling/reinstalling Widgets
Open a cmd prompt with admin rights, copy and paste this command
winget uninstall MicrosoftWindows.Client.WebExperience_cw5n1h2txyewy
Restart
Open a cmd prompt with admin rights, copy and paste this command
winget install 9MSSGKG348SP