I don't remember any specific "problem" updating from RC3. Generally
changes should be mostly things that are a problem in RC3 will be
fixed. There shouldn't be a lot to change, if anything at all. You
should just update the core and test your app. (I imagine you don't
have a lot of automated tests set up so testing will likely be to
thoroughly use every aspect of the application.)

One thing that changed a bit in almost each pre-stable version was
details regarding HABTM relationships. How that data is saved and
deleted got messed up for me in one update because of my Model setup
and db-schema.

Another thing that changed between some versions was that conditions
specified in relationships needed to be array notation and not a
string... also causing unexpected data to be saved or deleted. I think
this was before RC3, though.

These were "limited" bugs that most people never saw and I can't
remember which versions caused and fixed them. But pretty much any
problem I had in an update was related to models so check that to be
sure you don't have something "old" in there that is no longer
supported.



On Feb 20, 1:15 am, amarradi <[email protected]> wrote:
> hello together,
>
> until this moment i develop with cakePHP 1.2.0.7692 RC3. But now is
> the Situation, that one bug is in the old version which is fixed in
> 1.2.1.8004.
>
> How can i easy update from an older version to the newest. Is  there
> any userguide available? Or should i try it.
>
> many greeting
>
> Marcus Radisch
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