The best thing about this is its ability to handle multiple projects at once which makes it easy as you can work with different files simultaneously without any hassle of switching between windows or tabs. It also has very good support when compared to other similar products like Eclipse in terms of features available. I don't think there are many downsides unless maybe some minor bugs here and there. Overall we have been using lyciastudio ide since last 4 years now so far no issues found till date. We use it mainly for developing android apps.