DayBack Calendar and FileMaker 18
DayBack works great in FM18
DayBack works great in FileMaker 18. (If you're moving from FM15 or earlier there was a behavior change in FM16 that you might need to know about.)
FileMaker 18 makes a change in how we can call fmp:// URLs and this may be something you'll want to change if you have an older version of DayBack. Notes and instructions for making this change are here: FileMaker 18 and FMP URLs.