If I use libgdx version 1.13.1 in my project and I want to use method generateFont, there is a bug in the FreeTypeFontGenerator class.
java.lang.NoSuchMethodError: 'com.badlogic.gdx.math.Rectangle com.badlogic.gdx.graphics.g2d.PixmapPacker.pack(com.badlogic.gdx.graphics.Pixmap)'