If you are logged in not to first server in a list you can't open changelog link. System just shows you login page and invalidate token.
Fixed with https://github.com/phpmyadmin/phpmyadmin/commit/51d3a1fc403c84e251424538532bd27007a26a5e
Fixed with https://github.com/phpmyadmin/phpmyadmin/commit/51d3a1fc403c84e251424538532bd27007a26a5e