When I update an issue, my changes are not saved. The icon in the lower-right corner indicates that there is a new log record. When I click the icon, I see the following error: "Operations expired - the remote server already has newer data."
The clock on your computer is not synchronized with the Revizto server clock. The easy way to check this is to open https://time.is/ and it will tell you if the clock on your computer is behind. Open your clock settings, set the correct time, and try updating the issue again.