field group entity display bug after update

I am having a similar issue, fieldgroups created for display modes in the user account don't display *at all*, not even a container/wrapper is being added.

I've found out that the user account issue is due to the preprocess function always writing to the 'content' key of the vars array. However, the default user-profile.tpl uses the 'user_profile' key instead. Attached patch fixes this.

Another issue we run into is that we can no longer alter anything related to fieldgroups in our template's preprocess functions. I don't have an idea on how to fix it, since the module uses a theme_registry_alter now to simply add it to the end of the preprocess array. Any thoughts?

I forgot to unset the original variables in the previous patch, here's a rerolled version.

Thx FreekVR, you're patch has been committed.

ChoY, i tried to install the crm core module. But can't seem to get it working. When i add a new contact through ui, i get fatal errors. So i can't check what's wrong with that entity type. Maybe you can check and create a patch?

@FreekVR. Change your preprocess functions into process functions. They will run after all the preprocess functions.
We need to alter the theme registry, because we need to make sure all possible preprocess fields are added, before we start grouping.

I updated today and found lots of my CSS rules were no longer working.
The reason: in filed groups classes the underscores (_) have been replaced with hyphens (-).

Maybe this is related?

same here..my css classes are gone, so no styles work..also i noticed that when there are no associated classes with the fieldgroup the wrapper div does not seem to appear at all

restoring css classes:

/**
 * Implements hook_field_group_pre_render()
 * Fix BC break on css classes.
 */
function HOOK_field_group_pre_render(&$element, $group, &$form) {
  $group->format_settings['instance_settings']['classes'] .= ' ' . $group->group_name;
}

Same here. Everything was working fine with previous version 7.x-1.1.
After the upgrade groupings were completely gone when displaying user account fields.
Not using any crm modules at all.

#10 do you have this problem with latest dev?

For the missing group-group_name css classes. I suggest that people use the solution of #9. The update hook created the class, but with dashes, not with underscores. Using $group->group_name will re-add the underscores.