Some upgrading of Elgg will change the DB structure, data directory structure etc.. If such modifications are not there in the upgrade process you made, you can revert back to old version by copying over the old code. If the upgrade includes a modification to DB structure or data directory sturcture, you cant revert back to old version unless you dont have a backup

Elgg 1.7.3 is very old and has security bugs. Don't use it. We don't provide a downgrade path because you should always run the latest version of Elgg or you are putting your site and your users' data at risk. If you want to downgrade because of plugin incompatibilities, you should upgrade the plugin instead of downgrading your site.

Since you could easily switch to another platform, it sounds like you don't have any data worth preserving, so why not start over with the latest version of Elgg 1.8?

There are plugins that are NOT being updated... like the POLLS that claims its FOR 1.8 but has deprications in it.    I've found there are FAR more for 1.7.3... but I agree that the latest software should always be run...   especially with security issues as such.

    I would like to propose that the users of plugins that are depricated get on their plugin's creators cases (in a POLITE way) of course, and get these plugins UPDATED.    

   I am an ex-programmer and I just dont have the time to learn the elgg language due to being married and all.  I WISH I did....  but I don't have that much time.    SO PLEASE people...   Develope NEW 1.8.1 updates for your plugins so people wont try to do bad things like downgrade their software JUST to run the best plugins!!

   Who is with me?   POLLS PEOPLE...  I want new polls!

You make it sound as if PlugIn Creators do not have a real, polite life for themselves apart from coding plugins for everybody ! ;-P Perhaps their 'cases' are already also occupied by 'being married and all..' ?

@ancientspark

I need the polls too, I've offered to pay to have it updated - money usually works to motivate people.  when the polls plugin has been updated $$ I shall share the updated version...  but with credit going to the author etc ofcourse.

you can thank me later lol

I am an ex-programmer and I just dont have the time to learn the elgg language due to being married and all.

I know it's rough, but that's what divorce is for.  "Sorry honey, I have to learn Elgg.  You can have the house.  I'll take the dogs."

LOL

@Matt!!!

HAHAHAHAA

@Spike,

DONT DOWNGRADE!

I wanted to downgrade because of the CUSTOM PROFILE MANAGER incompatibility but within a few weeks CPM was upgraded...

elgg pluggins upgrade quick. Hang on!

Bob Wan Kim

Consultant, Sparkah