This is major update of theme before copy update files take existing theme backup including database.
If you modified any theme files than compare files and take necessary changes in existing theme to upgrade.
This theme update removed all core opencart file changes from package so please replace all core files again from your original opencart installer.
Replace all core files and folder from => YOUR OPENCART ORIGINAL INSTALLER FOLDER\catalog\controller\
In this theme update all core file changes now moved into vQmod(Require vQmod version : 2.3.1+) XML file so this update now require vQmod install in your theme before processed to update
This update may affect your theme color settings in R.Gen Theme module because theme color setting now added many extra features to manage colors. It is highly recommended please take screen shot of your theme color settings and DB backup before replacing new files from theme update. Once theme update files replaced than please verify your color settings in R.Gen Theme module.
Change - Product page large image display options
Change - R.Gen theme module admin UI
Change - Mobile menu structure
Change - Notification display style
Change - Twitter widget code
Fixed - Search page minor bug
Fixed - google font URL issue with SSL
Fixed - Facebook widget display issue
Fixed - Select box arrow issues
Added - vQmod XML file for R.Gen theme
Added - Refine category display option (Grid or Scroll view)
Added - Product page large image display options
Added - 3 Level categoy menu support
Added - Menu sort order feature
Added - Feature to add custom HTML in menu
Added - Feature to add my account links in menu
Added - Multi language support for all custom menu
Added - Multi language support for custom footer content
Added - Option to reduce space between menu items
Added - Feature to add own social icons
Added - Option to select vector icons
Added - Many options to modify theme colors using vector icons
Added - Category expand collapsed in side column
Added - Few language variables
Improve - CSS files and html structures
Improve - Side column product html structure
Removed - All changes in core files now theme don't replace any core files