When all your builds and tasks are in a good shape, CatLight icon will now turn green.
Get the latest version from https://catlight.io/downloads
CatLight 2.14 also supports new Mac OS High Sierra (10.13). However, it can no longer run on old versions of Mac OS (10.11 and older) due to compatibility limitations of .Net Core. If you want to stay on older version of Mac OS, you can still use 2.12 version of the app.