[development] Incremental upgrades

Gabor Hojtsy gabor at hojtsy.hu
Fri Jul 27 15:56:55 UTC 2007

Cog Rusty wrote:
>> Well, update.php does not include older updates, so if one has an older
>> 4.x site (let's say 4.5 or 4.4), he cannot upgrade directly, but first
>> go to an intermediate version. I have not looked into it, but update.php
>> might have problems, or would not inform the user, if he has such an old
>> system that has no updates in the actual update.php/update.inc/*.install
>> files code.
> The question remains, because how would it help to upgrade such an old
> version first to 5.1 and not to 5.2?
> An advice which seemed safe so far was
> (a) never skip major versions
> (b) when stepping to the next major version use its latest minor
> version, assuming that it would be more "bug-fixed"

Absolutely agreed.

> People seem to have been doing that successfully. So, it surprised me
> to see a suggestion to go first to the second-newest minor version
> every time..

IMHO these are copy-pastes, and it is a good idea to discuss them.


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