I spent years using NetBeans, then Eclipse, then IntelliJ IDEA and Android Studio, and now back to NetBeans. The features that made me return were having full C and C++ support (at the time, now less supported) and super-easy remote debugging. Those features let me write, build, and debug a Java application that interfaced with a Linux kernel device driver on an ARM Kobo Touch e-reader. Neither Eclipse nor IntelliJ IDEA could do that so easily.

And as mentioned in another comment, the direct support for the Apache Maven POM can make life easier, without the messy import required by the others.

With the new Flat Look-and-Feel with dark mode and the generally much better font rendering in Java, it finally looks great, too. There was a decade-long ugly period, though, which was one of the reasons I was desperately seeking alternatives.