Things to take into consideration after updating the theme:
Revolution slider has changed greatly from the version that was included in earlier Mobera versions.
To get the Mobera style slider arrows you have to edit your slider and set the arrow style to custom:
Newset VC version stopped supporting the vc_teaser_grid shortcode that was used for the Blog page. Please check that your page isn’t using it. You can replace this module with eather Post Grid or Post Masonry Grid.
First of all you’ll have to make a new grid design. Head to Dashboard > Visual Composer > Grid Builder > Add New
Set the elements like in the picture below
While editing your Post Grid or Post Masonry Grid module set the Item Design to your newly created template