For me, there's only ever been one time I've had a problem running an update, and that was when the history issue was resolved.  Thats running a database that was generated manually for 0.9 over 2 years ago, and going through the updates over the last year as they're approved for release on our network.
 
I won't go so far as to say you'll "never" have problems with upgrades, but I would say that it'd be highly unlikely - and if you do, the dev team are very quick to respond.

From: users-bounces@xwiki.org [mailto:users-bounces@xwiki.org] On Behalf Of Vanek Martin
Sent: 31 January 2008 15:18
To: XWiki Users
Subject: Re: [xwiki-users] [ANN] XWiki Enterprise 1.3 Milestone 1 Released

Hi,
it's Martin. I don't know why in this strange country is first name written as second in full name, but i think it is some dark ages communistic and bureaucratic superstition or something like that. We even walk on hands, and write with legs! Don't ask how we eat.
 
Well my former question targets how safe is to use 1.3 milestones for only internal but quite "should be working" deployment. I would like to avoid repairing corrupted referential integrity or thing like that, or making clean db reinstall, but I'd like to use and test 1.3 builds.
 
nitraM
-----Original Message-----
From: users-bounces@xwiki.org [mailto:users-bounces@xwiki.org]On Behalf Of Vincent Massol
Sent: Thursday, January 31, 2008 2:29 PM
To: XWiki Users
Subject: Re: [xwiki-users] [ANN] XWiki Enterprise 1.3 Milestone 1 Released

Hi Martin (or is it Vanek?),

On Jan 31, 2008, at 2:24 PM, Vanek Martin wrote:

Hello
 
Will 1.3 strem have same database schema as 1.2?

For the moment yes it's not planned to change it but even if it's changed we now have an automated migration system in place so that'll be transparent (barring bugs of course ;)) for the end users...

Thanks
-Vincent
-----Original Message-----
From: users-bounces@xwiki.org [mailto:users-bounces@xwiki.org]On Behalf Of Vincent Massol
Sent: Wednesday, January 30, 2008 5:16 PM
To: XWiki Developers; XWiki Users
Subject: [xwiki-users] [ANN] XWiki Enterprise 1.3 Milestone 1 Released

The XWiki development team is pleased to announce the release of XWiki Enterprise1.3 Milestone 1.

Go grab it at http://www.xwiki.org/xwiki/bin/view/Main/Download

First milestone of the XWiki Enterprise 1.3 version.

Note that general goals for XWiki Enterprise 1.3 are:
    * Bug fixes
    * More automated tests
    * Clean up the Skins, make it easy to create new skins and add the new xwiki.org skin
    * Improve performances (less Javascript files, more optimized CSS, better caching, etc)

Main changes from 1.2.1:

    * A good deal of bugs fixed
    * Added ability to export pages as HTML in a zip file
    * Added ability to export the current page in a XAR
    * Removed Finch and Dodo skin from the default distribution. They are now available as separate downloads.
    * Better support for Oracle with the upgrade to Hibernate 3.2.5.ga version.

+ lots of other changes, see Platform details and XWiki Enterprise details.

For more information see the Release notes at:
http://www.xwiki.org/xwiki/bin/view/Main/ReleaseNotesXWikiEnterprise13M1

Thanks
-The XWiki dev team
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