New tag 2.50.4 created from branch 2.50 for publication:
Bug 2874 fixed : Warning message on tracking confirmation tab when confirmation by admins is set and a user is added manually by an admin
Reference language/en_UK/help.lang.php improved
language/fr_FR/help.lang.php updated
Update de_DE, thanks to : stephy
Update lv_LV, thanks to : agrisans