It's now over two years since the release of JDK 9, and with it, the switch to a time-based rather than feature-based release schedule. It seems incredible that it took very nearly eleven years to get from JDK 6 to JDK 9, yet in just over two years, we've gone from JDK 9 to JDK 13.
Each release under this new strategy provides a smaller set of features than we had in the old major release approach. What we're seeing, though, is the overall rate of change is faster than it's ever been, which is a significant advantage for keeping Java vibrant and attractive to developers.