I know that Joomla 3.7 hasn't yet reached candidate release, but just like many Joomla users, I've been trying it out. Because I want to use the new custom fields functionality of Joomla 3.7 along with a j-cook component I've created, I've installed my j-cook component into my 3.7 testing site. These are the things I've notice so far:
-The component installs, but you get a jloader 500 error when trying to access the component in the back end. I was able to amend things to get it working
-The calendar field type doesn't seem to be working 'calendar is not defined'- seems like a weird thing to break- I haven't been able to fix this, but I hope once 3.7 support is added to j-cook that this is corrected.
Have you started looking at 3.7 support yet, or are you leaving that until it's been released? I only ask because I want to press forward with my project as soon as 3.7 is released (The custom fields aspect of the new Joomla already seems to have many unanswered questions/quirks).
Cheers
Andy