Tried 2.30, 2.31 and 2.33 versions of ttf-dejavu-core/extra and all exhibit the same kerning problems, so I'd say it's a libfreetype6 problem.
Tried 2.30, 2.31 and 2.33 versions of ttf-dejavu- core/extra and all exhibit the same kerning problems, so I'd say it's a libfreetype6 problem.