Xojo is a fantastic, integrated development environment. With it, you can do multi-platform software development. I think there is no faster way to go from an idea to a running prototype. For MacOS, iOS, Windows, Android, WebApps. It can do it all. Xojo as an organization, itself has learned to develop fast. Something they have been struggling with in the past. The disadvantage of the focus of Xojo on continuous improvement with a relatively small organization causes some challenges in the users development process. Frequently it is impossible to finish a project after upgrading to a newer IDE version without redoing major parts of the code. Xojo when it starts up, gives a nice Recent Projects menu, where you can select a project you are working on and want to continue to work on. It does not separate in what version of Xojo you work on for what project, however. So if you have to maintain production code in an older version, the only save way too work is to have separate machines for ...
It is rather stupid that localization and language in web-apps are the same. They are not one, but separate classes. While US English is the dominant language in science, the old Roman Imperial measurement system is not. One should be able to use en-US for spelling etc. While using metric measure; ISO date format and in numbers the ‘,’ for thousand separator and the ‘.’ for decimal separator. So there is not 1 class, there are four: language; measure-system; dating-system and number-notation system.