Canonical issues

[RobbieBlokeToys]

I've spent far too long trying to work out what the answer is to this but apparently almost every problem I have with Prestashop is unique to us.

We have several languages in our store - EN, FR, ES, GB (we plan to add more in the future).

We also have all relevant currencies including Euro, Dollar and British Pound.

We have Geo by City to auto select lang and currency by user IP.

In the last month we changed "redirection to the canonical URL" to 301 (recommended).

Since then Google has been returning only $ results, even on pages with GB lang - although most results in UK serps are EN and not GB.

It seems the redirection that is "recommended" is NOT recommended for multi-language or multi-currency stores. Activating this setting seems to have told Google to only display EN and $ results, even for UK searchers.

Can anyone confirm that in our case we should turn canonical redirect off completely? We have been working on all translations of all products, categories and pages.

If I'm right, I really think PS needs to change the wording of this canonical option, or just offer more information to clarify. If you have unique texts for every language option you don't want to be pointing all those products to the default language you started with and this should not be "recommended".