This is a submission for DEV's Summer Bug Smash: Smash Stories powered by Sentry . I originally shared this debugging story on July 8. When Bug Smash was announced, it immediately came to mind because nothing crashed, nothing logged an error, and the application was still wrong.
Source: [Dev.to](https://dev.to/shubhradev/the-optimistic-ui-race-condition-that-only-showed-up-on-the-fifth-click-5a55)