For the record, please note this change was announced in this list a couple of months ago, and that we don't actually have official Ubuntu Core 16 images yet. Polishing the format is being done while finalizing those images. <div class="gmail_extra"> <div class="gmail_quote">On Jul 28, 2016 8:03 PM, "Michael Vogt" <<a href="mailto:michael.vogt@canonical.com">michael.vogt@canonical.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Thu, Jul 28, 2016 at 05:50:54PM +0800, Woodrow Shen wrote: > Hi all, Hi Woodrow, thanks for your mail! > It seems the latest revision 8 has a lack of hardware section for gadget > snap. > I think someone is working on it now, but hope we can make sure the snap > uploaded to edge channel can work at least. You are correct, we are currently working on a new and improved format to describe the bootloader for a device. This work is currently in progress and because the old format stops working we removed it. We publish new gadget snaps with the new format soon. ubuntu-image will be the tool to consume them then. Cheers, Michael -- Snapcraft mailing list <a href="mailto:Snapcraft@lists.snapcraft.io">Snapcraft@lists.snapcraft.io</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/snapcraft" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/snapcraft</a> </blockquote></div></div>