My radio started as it should this morning. 
May I suggest a different user interface at a later stage in development.
I’m using an iDevice. How about a huge clock that you adjust the by dragging the time arrows in order to set the time. ?
(Sorry for my bad English. I don’t know the correct tem, but I hope you understand what I mean)
Should be much simple to use, and beneath the clock you can have digits, that also displays the setting you done.
Here in Norway we have a app “Easypark” that have a similar function implemented. Very easy the rotate the time on a wheel or a clock.
(Better UI than Apples built in wake up clock)
Maybe an automatic stop could be implemented. That you can set how long music/radio should be played after the given wake up time. I noticed you talked about 4 fade settings as shown quote above, but I can only see one fade settings in the user interface. So maybe already implemented, but is there is a bug ?
I also think Roon development have to think about a more easy way to implement nodejs into RoonCore, and find a way to browse all available extensions. Equally to how LMS and Squeezebox have done.
As an example, if your core is on a SonicTransporter or a NAS (Qnap), you have to use a PC, Mac, or Linux mashine. And for ROCK as well maybe ?
Is installation of nodejs the only way you can make Roon Extention work ?
It’s probably to early to talk about this, here is the only information I found about Roon Extention:
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Roon API (BETA)
The Roon API will allow developers to enable:
Custom volume controls even if the device is not Roon Ready
Custom convenience switching/standby can be used even for devices is not Roon Ready
Display of now-playing data and transport controls
Lightweight hierarchical browsing
Plugin settings from Roon UI
Roon’s API is still in a pretty early state, but 1.3 contains support for these features and is suitable for experimentation.
We have several exciting integrations planned over the next few months using the API as a jumping off point, and look forward to expanding and improving the Roon API with your feedback. Please try it out and let us know!
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Maybe @danny can tell us a little bit more about the future plans for Roon API ?
Will this Alarm Clock Extention be possible to easier access within Roon ?
Could it be a separate app ?