On Mon, May 03, 2021 at 04:35:58PM -0500, Eric Blake wrote: > We've gone enough release cycles without noticeable pushback on our > intentions, so time to make it harder to create images that can form a > security hole due to a need for format probing rather than an explicit > format. > > Eric Blake (2): > qcow2: Prohibit backing file changes in 'qemu-img amend' > qemu-img: Require -F with -b backing image Ping.