Beta 2.7.3 and Web Configurator issue (resolved)

General
1

Just upgraded to 2.7.3 and now the Web Cofigurator has an issue. The Entities and Activities & Macro Tabs no longer work. Any ideas?

Thanks

Fix was to clear the browser cache.

3

Developer question:
Isn’t there a way to tell browsers not to cache a page from the start?
Thinking I saw it somewhere.