On Thu, Mar 27, 2014 at 9:01 AM, Jochen Sprickerhof <ros-users@jochen.sprickerhof.de> wrote:

Hi,

* Tully Foote <tfoote@osrfoundation.org> [2014-03-24 20:58]:

> We're pleased to announce the ROS build farm for Indigo Igloo is now
> available. It includes over 180 packages already for Ubuntu 13.10, Saucy
> Salamander, and Ubuntu 14.04, Trusty Tahr. We expect that number to
> continue to grow rapidly. Installation instructions already exist for
> Ubuntu using debians or for compiling from source [1], and you can see the
> status of Indigo packages on this page:

Do you plan to support Indigo on older Ubuntu versions (like 13.04 or
12.04) as well? Point is, that the normal migration tactic is to have
both ROS versions installed and switch them to the new version one ofter
the other. At the moment this wouldn't be possible, as Hydro is only
available until 13.04 (cf. [1]), whereas Indigo starts with 13.10.
Initially the plan was to support Hydro on 13.10 (see [2]), but maybe it
would be easier to support Indigo on an older version.

Having multiple versions installed was always a selling point for ROS
(given that it's so monolithic), so I think we should really work on
providing upgrade paths to our users.

Cheers Jochen

[1] http://lists.ros.org/pipermail/ros-users/2014-January/068162.html
[2] http://lists.ros.org/pipermail/ros-users/2013-May/053252.html

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+1 I fully agree: this zero-overlap plan will drastically delay adoption of Indigo.