Departe modules and themes from Varbase 8.x-5.x Profile as stand-alone projects.

Change configurations to work with enable_multilingual.
Each module will manage its multilingual config.

ConfigBit for Varbase Installation is much better.
https://github.com/Vardot/varbase/tree/8.x-5.x/configbit

• default.components.varbase.bit.yml
• extra.components.varbase.bit.yml
• development.tools.varbase.bit.yml
• demo.content.varbase.bit.yml

• default.components.varbase.bit.yml

  # ==============================================================================
  # List of default varbase components, which they will be installed
  # when we install varbase.
  # ==============================================================================
  config_bit:
    type: list
    for: varbase.info.yml
    when:
      install_default_components: true
      list:
        dependencies:
          # Enable listed modules in order at this installation step. 
          - libraries
          # Enable listed Varbase modules in order at this installation step. 
          - varbase_core
          - varbase_admin
          - varbase_total_control
          - varbase_security
          - varbase_seo
          - varbase_editor
          - varbase_media
          - varbase_webform
          - varbase_page
          - varbase_landing
          - varbase_tour
          - varbase_default_content
  
  

• extra.components.varbase.bit.yml

  # ==============================================================================
  # List of extra varbase components, which they will be listed in the
  # Extra components form, when we install varbase.
  # ==============================================================================
  config_bit:
    type: list
    for: varbase.info.yml
    when:
      show_extra_components: true
      list:
        dependencies:
          vmi:
            title: "View Modes Inventory"
            description: "The most common view modes you'll need for almost any site. This will provide you with a set of content <em>View Modes</em> for various teaser styles. All of which are mobile-first, media-aware, and ready for you to customize your site."
            selected: true
            config_form: false
          varbase_heroslider_media:
            title: "Media Hero Slider"
            description: "A rich hero slider that allows you to display video and/or image slides. It implements the universal \"Hero Slider\" to be used in your homepage. Built using <a href=\"https://www.drupal.org/project/slick\" target=\"_blank\">Slick Carousel</a>."
            selected: false
            config_form: false
          varbase_carousels:
            title: "Varbase Carousels"
            description: "Provides the necessary tools to build carousels in your website. You will be able to create carousels on the spot and place it anywhere in the site. Built using <a href=\"https://www.drupal.org/project/slick\" target=\"_blank\">Slick Carousel</a>."
            selected: false
            config_form: false
          varbase_search:
            title: "Varbase Search"
            description: "A suite of site search engine tools to help you build better search performance, customization, and search experience. Built using <a href=\"https://www.drupal.org/project/search_api\" target=\"_blank\">Search API</a>."
            selected: false
            config_form: false
          varbase_blog:
            title: "Varbase Blog"
            description: "Provides the necessary tools to build blogs in your website."
            selected: false
            config_form: false
          varbase_auth:
            title: "Varbase Social Single Sign-On"
            description: "Adds single sign-on using existing information from a social networking service such as Facebook, Twitter or Google+. Built using <a href=\"https://www.drupal.org/project/social_api\" target=\"_blank\">Social API</a>."
            selected: false
            config_form: true
            formbit: "src/FormBit/varbase_auth.formbit.php"
  
  

• development.tools.varbase.bit.yml

  # ==============================================================================
  # List of development tools varbase, which they will be listed in the
  # Development tools form, when we install varbase.
  # ==============================================================================
  config_bit:
    type: list
    for: varbase.info.yml
    when:
      show_development_tools: true
      list:
        dependencies:
          varbase_development:
            title: "Install Development Tools"
            description: "Install the development tools if you're a developer and you're going to use Varbase to build a new project. This will install several modules that help you build your site, such as <a href=\"https://www.drupal.org/project/devel\" target=\"_blank\">Devel</a>, <a href=\"https://www.drupal.org/docs/8/core/modules/dblog/overview\" target=\"_blank\">Database Logging</a>, and UI modules such as View UI, Features UI, Libraries UI, and Configuration Update Reports.<br /><em>Make sure to uninstall this feature and its modules when you go in production mode</em>."
            selected: false
            config_form: true
            formbit: "src/FormBit/varbase_development.formbit.php"
          varbase_styleguide:
            title: "Varbase Style guide"
            description: "Install Varbase custom styling guide if you want to have a full look for Varbase components, Bootstrap elements, and view mode style for content types. This will install several modules that help you on themeing and styling your site, such as <a href=\"https://www.drupal.org/project/styleguide\" target=\"_blank\">Style Guide</a>."
            selected: false
            config_form: false
  

• demo.content.varbase.bit.yml

  # ==============================================================================
  # List of varbase demo components, which they will be listed under the 
  # Extra components installation step, in the Demo content section.
  # ==============================================================================
  config_bit:
    type: list
    for: varbase.info.yml
    when:
      show_demo: false
      list:
        dependencies:
          varbase_demo:
            title: "Install Demo Content"
            description: "If you're evaluating Varbase, installing demo content will help you get an idea of how Varbase works, and what features are included."
            selected: false
            config_form: false
  

At this point, each module will manage the update to use media in Drupal core:

Modules

• Varbase Core (varbase_core)

  • Varbase Default content (varbase_default_content)
  • Varbase Admin (varbase_admin)
  • Varbase Page (varbase_page)
  • Varbase Security (varbase_security)
  • Varbase Tour (varbase_tour)
  • Varbase Development (varbase_development)
  • Varbase Internationalization (varbase_internationalization)
  • Varbase Webform (varbase_webform)

• Varbase Landing (varbase_landing)

• Varbase Media (varbase_media)

• Varbase Search (varbase_search)

• Varbase SEO (varbase_seo)

• Varbase Bootstrap Paragraphs (varbase_bootstrap_paragraphs)

• Varbase Media Hero Slider (varbase_heroslider_media)

• Varbase Carousels (varbase_carousels)

• Varbase Auth (varbase_auth)

• Varbase Blog (varbase_blog)

• Varbase Total Control Dashboard (varbase_total_control)

• Varbase FAQs (varbase_faqs)

• View Mode Inventory (vmi)

Themes

• Vartheme (vartheme)

• Vartheme Material (vartheme_material)

• Vartheme Admin (vartheme_admin)

• Vartheme Material Admin (vartheme_material_admin)

New Extra Development Tools

• Varbase Styleguide (varbase_styleguide)