Added

• add garbage collector
• implement jdk/internal/loader/BootLoader.getSystemPackageLocation(Ljava/lang/String;)Ljava/lang/String; and jdk/internal/loader/BootLoader.getSystemPackageNames()[Ljava/lang/String;
• add parallel garbage collection
• add jit lookupswitch
• add jit tableswitch

Fixed

• improve unsafe support for byte offsets

Other

• update Cargo.toml dependencies
• remove unnecessary test classes
• improve compatibility test messages