Saving the contribution amounts tab removes the default-iness of the default amount when using fixed amount options. Or editing any price field that is not type text
- On a stock demo install, just save the amounts tab of the "Help Support CiviCRM" contribution page without making any changes.
- The default of "Booster $10" is no longer checked.
- Visiting the live contribution page has no default amount checked, and clicking Review Your Contribution does nothing. There's no javascript errors in the browser console.
This seems to have started in 5.27. Note there is a slight difference between 5.27 and 5.28: In 5.27 clicking the Review button at least does something, whereas in 5.28/5.29 it doesn't.