It's hard to get excited by this release. Its only significance is that it's a LTS release that finalises and fixes the (minor) goodies that were introduced in 9 and 10.
James, don't forget this is the version that is supposedly no longer free-for-(commercial-)use, unless you use the OpenJDK version.
Yup. I thought everyone except corporate support sites were already on OpenJDK?
Also new in 11...
JavaFX is unbundled. Good luck trying to find easy instructions on how to re-integrate it into your Jave dev environment after downloading it.
You can now compile and run a single file source with one command, eg. Java mycode.java. (Good for beginners)