Why business should migrate from Java 8 to Java 11?

Java 8 to Java 11 change set: https://javaalmanac.io/jdk/11/apidiff/8/

Plan to release LTS version each 2 years instead of each 3 years. Ref: https://mreinhold.org/blog/forward-even-faster

Features:

• Module System (JEP 261) JDK9
• Private Methods in Interfaces (JEP 213) JDK9
• Reactive Streams (JEP 266) JDK9
• Graal VM (JEP 317) JDK10
• Keyword var (JEP 286) JDK10
• Additional Unicode Language-Tag Extensions (JEP 314) JDK10
• Experimental Epsilon GC (JEP 318) JDK11
• Experimental ZGC (JEP 333) JDK11
• Local Variable Syntax for Lambda Parameters (JEP 323) JDK11
• HTTP Client (JEP 321) JDK11
• Unicode 10 Support (JEP 327) JDK11

Tools:

• jshell (JEP 222) JDK9
• Multi-Release JAR Files (JEP 238) JDK9
• jlink (JEP 282) JDK9
• Flight Recorder (JEP 328) JDK11

Performance & Security Improvement:

• Compact Strings (JEP 254) JDK9
• Parallel Full GC for G1 (JEP 307) JDK10
• Thread-Local Handshakes (JEP 312) JDK10
• Alternative Memory Devices (JEP 316) JDK10
• Low-Overhead Heap Profiling (JEP 331) JDK11
• Improve Aarch64 Intrinsics (JEP 315) JDK11
• New Cryptographic Algorithms (JEP 324, JEP 329) JDK11
• TLS 1.3 (JEP 332) JDK11
• Single Source File Launch (JEP 330) JDK11