Since today you can order the new Philips Hue dimmer switch, with the availability in Germany it still looks bad. While users in France or Belgium were partly already delivered, I'm still waiting for my order. I tried it via the Proshop, here the new dimmer switches should be shipped from Wednesday.
iConnectHue 4.5 adds support for new dimmer switch Configure customized button layout via app
Configure customized button layout via app