[dschiptsov]

> Why do you bring up ExtJS?

Because it is an JS UI library of the very same kind which were around for years, isn't it?

Not sure about arrogance, but yes, I do hate SAP because I have seen it in production.)

[blahbap]

Well, you could be forgiven for disliking SAP based on your experiences with their old UI - but UI5 is luckily their attempt to remedy the situation.