The following JEPs had a status of Drafted at the time of writing this book:

• Abortable mixed collections for G1
• Allocation of old generation of Java heap on alternate memory devices
• Better hash codes
• Concurrent monitor deflation
• Dynamic max memory limit
• Efficient array comparison intrinsic
• Enable execution of Java methods on GPU
• Enhanced ManderblotSet demo using value types
• Enhanced pseudo-random number generators
• Improved IPv6 support
• Isolated methods
• Java thread sanitizer
• JWarmup precompiled Java hot methods at application startup
• Key Derivation API
• Packaging tool
• Provide stable USDT probe points on JVM compiled methods
• Support ByteBuffer mapped over non-volatile memory
• Timely reducing unused committed memory
• Type operator expressions in the JVM
• Unboxed argument lists for method handles
• Use UTF-8 as default charset

Detailed information on each of these proposals can be obtained from http://openjdk.java.net/jeps/0.