For everything else—including modern Spring Boot, Tomcat, Jenkins, or desktop apps—you must migrate. The absolute minimum safe Java 8 version for the internet is (July 2021). The best version is OpenJDK 17 or 21 .
No significant performance regression.
: Update 241 still includes JavaFX, but be aware that official support for JavaFX on JDK 8 is slated to end in March 2025 www.oracle.com to point to this specific Java version? java runtime 1.8 u241
This is a detailed technical “deep paper” style analysis of (January 2020 release). While not a formal academic paper, it follows the structure of one: abstract, technical details, security analysis, performance, compatibility, and conclusions. For everything else—including modern Spring Boot