Up till now the southern German state of Bavaria - which has held the copyright since hitler died in 1945 - has not allowed the text to be republished out of respect for victims of the Holocaust.
Since 2009, however, historians at the Institute of Contemporary History of Munich have prepared an annotated - much longer - version of the book, which aims to “deconstruct and put Hitler’s writing into context.”
https://www.rfi.fr/en/general/20160101-copyright-hitlers-mein-kampf-taboo-remains