About to upgrade, what are EE differences between 2.81 and 2.92?

Question

About to upgrade my personal site and went to Ellislab website for download and they have 2 versions for download. 2.81 and 2.92

Going through the EE bug tracker appears I may have several items that I will need to edit core files if I end up with these all ready listed bugs.

Is there a reason some of us would not want to upgrade to 2.92 now? with Forums 3.1.17?

I'm currently running 2.81.

Thanks `mike

Actually EllisLab started providing access to older version as of Dec 2014 - check this blog post ellislab.com/blog/entry/downloading-previous-versions — CreateSean, Commented Apr 27, 2015 at 10:24

Low · Accepted Answer · 2015-02-26 08:13:04Z

1

In cases like this, you should check out the Change Log.

There are a couple of changes that stand out:

EE2.9 requires at least PHP 5.3.10 (EE2.8 requires 5.2);
In EE2.9, the conditionals parser has had an overhaul. This means your templates can be more performant, but conditionals are also more error-prone.

As so often, it's a case of YMMV.

answered Feb 26, 2015 at 8:13

Low

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Sorry should have mentioned i also looked through the change logs as always, but this is the 1st time I have seen EE offer 2 versions for download. Guess i'm more worried about what might break add-ons
– user2437
Commented Feb 26, 2015 at 14:27
I think that, by now, most add-ons will be 2.9 compatible. If you're unsure, ask the developers.
– Low
Commented Feb 26, 2015 at 15:35
The security updates in 2.9.x vs 2.8.x are significant as well. Unrelated, but something to consider since you're thinking about updating: on the PHP requirements, if you need to request an upgrade from your host, go ahead and ask for PHP 5.5–there are many free performance gains.
– Derek Jones
Commented Apr 27, 2015 at 16:12

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