[TYPO3-english] Upgrade strategy

Kay Strobach typo3 at kay-strobach.de
Wed May 25 11:09:58 CEST 2011


Hi,

i do always upgrade step by step ;)
This is tested and works.
Version jumps could work and should work - but sometimes there is a bad
extension or something similar which breakes your install.

Regards
Kay

Am 25.05.2011 10:23, schrieb David ARNOULT - Edition & Internet Operations:
> Thank you Xavier for your precious feedback. Regarding upgrade 4.3>4.4/4.5,
> is it better to it incrementally? 
> 
> David
> 
> 
> -----Message d'origine-----
> De : typo3-english-bounces at lists.typo3.org
> [mailto:typo3-english-bounces at lists.typo3.org] De la part de Xavier
> Perseguers
> Envoyé : mercredi 25 mai 2011 10:07
> À : typo3-english at lists.typo3.org
> Objet : Re: [TYPO3-english] Upgrade strategy
> 
> Hello David,
> 
>> I run a big web site on 4.3.11 that works fine so far and some extensions
>> update start requiring 4.4.0 minimum (realurl for instance). I know 4.3 is
>> deprecated (but it works as it is!) and I wonder what is best strategy to
>> upgrade and avoid breaking everything. I feel that core requirement for
>> extension is not always clearly specified and I don't know how to deal
> with.
> 
> It is, many extensions use the dependencies to state with which version 
> it is compatible (or at least "tested"). In this very case, I don't 
> think Dmitry started to use code only available in 4.4 and above so I'd 
> say it *should* still work on 4.3 however I clearly understand him 
> removing "official" support from a deprecated version of TYPO3. It's 
> fair being so professional and not keeping old versions because it 
> worked once but was never tested again.
> 
>> In general, is it better to update core before updating extensions (4.4 or
>> 4.5?), or can I safely assume that all extensions are supposed to work in
>> any latest 4.*? Can I update directly from 4.3 to 4.5?
> 
> You should not assume an extension is supposed to work in any latest 4.x 
> unless it is specified in the requirements and still, you better make a 
> test on some less used website or be prepared to rollback the upgrade. 
> And still, if the requirements do not put any upper limit on some 
> *stable* version (empty or 0.0.0 for instance), then it probably means 
> the author thinks it is "supposed" to work but it does not prove it will 
> actually work because s/he may as well have stopped using it him/herself...
> 
>> Today, are all main extensions (tt_news, realurl, etc) running fine with
>> latest 4.4/4.5? To help upgrading it would be great to have a
> certification
>> for extension (for example this ext is certified for 4.5.X, 4.4.7 etc)
> 
> You have to trust extension's author but for such "big" and widely used 
> extensions, you have some guarantee that they are working with latest 
> version of TYPO3. Moreover, the extensions you mention are leaded by 
> Core team members...
> 
> HTH
> 


-- 
http://www.kay-strobach.de - Open Source Rocks


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