Hey,
maybe you can use the 9.0.11 archive linked at https://owncloud.org/download/older-versions/ to do an intermediate step to the latest 9.0 release and then use the 10.3 repositories to do the final upgrade to ownCloud 10?
Hey,
maybe you can use the 9.0.11 archive linked at https://owncloud.org/download/older-versions/ to do an intermediate step to the latest 9.0 release and then use the 10.3 repositories to do the final upgrade to ownCloud 10?