I'm not sure where you get your information about this, but J2ME 8 was released ...

biafra · on May 2, 2014

No invokedynamic though :-) https://jcp.org/en/jsr/detail?id=360

Also missing:

    Reflection
    Serialization
    Lambda expressions (JSR 335)
    JNI and application native code
    User-defined class loaders
    Full annotations support (Runtime annotations)
    Thread groups and demon threads
    Full Math APIs (with BigDecimals)
    Concurrency utilities
    Full security APIs
    Full collection APIs (Sorted collection classes)

Source: http://docs.oracle.com/javame/config/cldc/opt-pkgs/api/cldc/...