Ubuntu 12.04.4 LTS to 14.04.1 LTS upgrade: "no new release found"

According to Trusty Tahr Release Schedule, Ubuntu LTS 14.04.1 (first .1 version) was released two days ago. Unfortunately when trying to upgrade using the do-release-upgrade command I get the message No new release found.

Command line output:

root@foobar:~# cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.4 LTS"
root@foobar:~# do-release-upgrade 
Checking for a new Ubuntu release
No new release found

The threads upgrading LTS to LTS and no new release found make totally sense, but as I understand the first dot 1 version of Ubuntu 14.04 (14.04.1) has yet been released, so why can't I still upgrade LTS to LTS?

Is there a way to upgrade properly, not using the -d option with the do-release-upgrade command?

Solution 1:

Actually -p option works to run the release upgrade:

do-release-upgrade -p

Here is the explanation of the -p option:

-p, --proposed
Try upgrading to the latest release using the upgrader from Ubuntu-proposed

P.S. Also on #ubuntu IRC channel nobody seems to know what actually "triggers" the do-release-upgrade command to work properly...

P.P.S. Caution when upgrading from Ubuntu 12.04 LTS to 14.04.1 LTS, as grub will fail to update kernel list.