Sometimes you can face the situation when you did update the web app on Caché server but you cannot get the newest version of the app in a browser.
Here are couple recipes which help me to solve it. From simplest to more sophisticated and not obvious.
1. Refresh page in a browser
In Chrome it is Ctrl+R or 'Refresh' button. Obvious, but helpful.
2. Hard reset in a browser
If you are in Chrome, open Developer tools