A DESCRIPTION OF THE PROBLEM :
drawText(), draw() polygons, drawLine() to BufferedImage are not Antialiased on all last OpenJDK and OracleJDK on Windows 10 x64. Last test on OpenJDK 19-ea+22-1598.

Compare direct and buffered 2D are in "Steps to Reproduce".

Working on OracleJRE 8u333.
Working on OpenJDK 8u41+b04-windows-i586-jan-2020 ( 1.8.0_41 )
Not working on OpenJDK 19-ea+22-1598.
Not working on OracleJDK 18.0.1.1+2-6


REGRESSION : Last worked in version 8u333

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Test {
    public static void main(String[] args){
        doDirect();
        doBuffered();
    }
    public static void doBuffered(){
        JFrame frame = new JFrame();
        frame.setTitle("BufferedImage drawn with antialiasing on");
        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        JPanel canvas = new JPanel(){
            @Override
            protected void paintComponent(Graphics g){
                BufferedImage image = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
                Graphics2D ig2d = image.createGraphics();
                ig2d.setColor(Color.BLACK);
                ig2d.setStroke(new BasicStroke(3));
                ig2d.setRenderingHint(
                        RenderingHints.KEY_ANTIALIASING,
                        RenderingHints.VALUE_ANTIALIAS_ON);
                ig2d.drawLine(10, 10, 70, 90);
                
                Graphics2D g2d = (Graphics2D)g;
                g2d.drawImage(image, 0, 0, null);
            }
        };
        canvas.setPreferredSize(new Dimension(100, 100));
        frame.getContentPane().add(canvas, BorderLayout.CENTER);
        frame.setEnabled(true);
        frame.pack();
        frame.setVisible(true);
    }
    public static void doDirect(){
        JFrame frame = new JFrame();
        frame.setTitle("Directly drawn with antialiasing on");
        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        JPanel canvas = new JPanel(){
            @Override
            protected void paintComponent(Graphics g){
                Graphics2D g2d = (Graphics2D)g;
                g2d.setColor(Color.BLACK);
                g2d.setStroke(new BasicStroke(3));
                g2d.setRenderingHint(
                        RenderingHints.KEY_ANTIALIASING,
                        RenderingHints.VALUE_ANTIALIAS_ON);
                g2d.drawLine(10, 10, 70, 90);
            }
        };
        canvas.setPreferredSize(new Dimension(100, 100));
        frame.getContentPane().add(canvas, BorderLayout.CENTER);
        frame.setEnabled(true);
        frame.pack();
        frame.setVisible(true);
    }
}


FREQUENCY : always