Below are images produced with code from https://www.tutorialspoint.com/java_dip/java_buffered_image.htm.
The one on the left is compiled/ran with JRE 1.8 SE and on the right with OpenJDK 15. You can see the difference in quality as 1.8 is much sharper.
Images of 2 versions:
Does anyone know of a reason of a fix with 15? Is it just the nature of OpenJDK?
Thanks!