Separately, from the previously suggested features, with java 9, a lot more improvements are ready to the JDK platform. Below are some of them listed.
- GC (Garbage Collector) Improvements
- Stack-Walking API
- Filter Incoming Serialization Data
- Deprecate the Applet API
- Modify String Concatenation
- Enhanced Method Handles
- Java Platform Logging API and Service
- Compact Strings
- Parser API for Nashorn