Add current locale during form create or edit

[maximehuran]

Should be released as 2.10.0 version ?

Add way to know the current locale in form

Create UI Element

Sent in the query string :

Set in data-locale attribute on the form object :

Update Ui Element

Sent in post :

Set in data-locale attribute on the form object :

[delyriand]

Should be released as 2.10.0 version ?

I think yes, because the controller and template are changed