diff --git a/app/assets/stylesheets/upload_ontology.scss b/app/assets/stylesheets/upload_ontology.scss
index d5026556c..978d3997d 100644
--- a/app/assets/stylesheets/upload_ontology.scss
+++ b/app/assets/stylesheets/upload_ontology.scss
@@ -2,6 +2,9 @@
     display: flex;
     justify-content: center;
     padding: 40px 0;
+    .show {
+        display: block;
+    }
 }
 
 .upload-ontology-card {
@@ -50,9 +53,7 @@
     display: none;
 }
 
-.show {
-    display: block;
-}
+
 
 .upload-ontology-desc {
     font-size: 12px;
diff --git a/app/components/input/language_selector_component.rb b/app/components/input/language_selector_component.rb
index 443ee2cbb..3a7ec435c 100644
--- a/app/components/input/language_selector_component.rb
+++ b/app/components/input/language_selector_component.rb
@@ -2,11 +2,12 @@
 
 class Input::LanguageSelectorComponent < ViewComponent::Base
 
-  def initialize(languages:, id: '', name: '' )
+  def initialize(languages:, selected: nil,  id: '', name: '' )
     super
     @languages = languages
     @id = id
     @name = languages
+    @selected = selected
   end
 
   def languages_options
@@ -20,6 +21,6 @@ def languages_options
   end
 
   def call
-    render SelectInputComponent.new(id: @id, name: @name, values: languages_options, placeholder: 'Select a language')
+    render SelectInputComponent.new(id: @id, name: @name, values: languages_options, selected: @selected, placeholder: 'Select a language')
   end
 end
diff --git a/app/components/select_input_component.rb b/app/components/select_input_component.rb
index 9392c6b8e..c006ec266 100644
--- a/app/components/select_input_component.rb
+++ b/app/components/select_input_component.rb
@@ -2,7 +2,7 @@
 
 class SelectInputComponent < ViewComponent::Base
 
-  def initialize(id:, name:, values:, selected:, multiple: false, open_to_add_values: false, data: {}, placeholder: '')
+  def initialize(id:, name:, values:, selected: nil, multiple: false, open_to_add_values: false, data: {}, placeholder: '')
     super
     @id = id || ''
     @name = name
diff --git a/config/environments/development.rb b/config/environments/development.rb
index ede4e54c9..b595b87cd 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -1,7 +1,10 @@
+require "active_support/core_ext/integer/time"
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
-  # In the development environment your application's code is reloaded on
-  # every request. This slows down response time but is perfect for development
+  config.assets.debug = true
+  # In the development environment your application's code is reloaded any time
+  # it changes. This slows down response time but is perfect for development
   # since you don't have to restart the web server when you make code changes.
   config.cache_classes = false
 
@@ -11,15 +14,18 @@
   # Show full error reports.
   config.consider_all_requests_local = true
 
+  # Enable server timing
+  config.server_timing = true
+
   # Enable/disable caching. By default caching is disabled.
   # Run rails dev:cache to toggle caching.
-  if Rails.root.join('tmp', 'caching-dev.txt').exist?
+  if Rails.root.join("tmp/caching-dev.txt").exist?
     config.action_controller.perform_caching = true
     config.action_controller.enable_fragment_cache_logging = true
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      'Cache-Control' => "public, max-age=#{2.days.to_i}"
+      "Cache-Control" => "public, max-age=#{2.days.to_i}"
     }
   else
     config.action_controller.perform_caching = false
@@ -38,27 +44,30 @@
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log
 
+  # Raise exceptions for disallowed deprecations.
+  config.active_support.disallowed_deprecation = :raise
+
+  # Tell Active Support which deprecation messages to disallow.
+  config.active_support.disallowed_deprecation_warnings = []
+
   # Raise an error on page load if there are pending migrations.
   config.active_record.migration_error = :page_load
 
   # Highlight code that triggered database queries in logs.
   config.active_record.verbose_query_logs = true
 
-  # Debug mode disables concatenation and preprocessing of assets.
-  # This option may cause significant delays in view rendering with a large
-  # number of complex assets.
-  config.assets.debug = true
   # Suppress logger output for asset requests.
   config.assets.quiet = true
 
   # memcache setup
-  config.cache_store = ActiveSupport::Cache::MemCacheStore.new('cache', namespace: 'BioPortal')
+  config.cache_store = ActiveSupport::Cache::MemCacheStore.new('cache:11211', namespace: 'BioPortal')
 
   # Silence cache output
   config.cache_store.logger = Logger.new("/dev/null") if config.cache_store.respond_to?(:logger)
 
   # Add custom data attributes to sanitize allowed list
   config.action_view.sanitized_allowed_attributes = ['id', 'class', 'style', 'data-cls', 'data-ont']
+  config.view_component.generate.sidecar = true
 
   config.file_watcher = ActiveSupport::FileUpdateChecker
 
@@ -66,9 +75,11 @@
   require Rails.root.join('config', "bioportal_config_#{Rails.env}.rb")
 
   # Raises error for missing translations.
-  # config.action_view.raise_on_missing_translations = true
+  # config.i18n.raise_on_missing_translations = true
+
+  # Annotate rendered view with file names.
+  # config.action_view.annotate_rendered_view_with_filenames = true
 
-  # Use an evented file watcher to asynchronously detect changes in source code,
-  # routes, locales, etc. This feature depends on the listen gem.
-  config.file_watcher = ActiveSupport::EventedFileUpdateChecker
+  # Uncomment if you wish to allow Action Cable access from any origin.
+  # config.action_cable.disable_request_forgery_protection = true
 end
\ No newline at end of file
diff --git a/test/components/previews/input/select_component_preview.rb b/test/components/previews/input/select_component_preview.rb
index e8f89cb73..851712b2d 100644
--- a/test/components/previews/input/select_component_preview.rb
+++ b/test/components/previews/input/select_component_preview.rb
@@ -18,8 +18,8 @@ def open_to_add(id: "", name: "", values: ["choices 1", "choices 2", "choices 3"
   def with_icon
     values = [
       ['', ''],
-      ["<span class='f32'>\n<span class='flag fr' style='margin-right: 0.5em;'></span></span><span>FR</span>", 'fr'],
-      ["<span class='f32'>\n<span class='flag gb' style='margin-right: 0.5em;'></span><span><span>EN</span>", 'en']
+      ["<span class='flag-icon flag-icon-fr'></span></span></span><span>FR</span>", 'fr'],
+      ["<span class='flag-icon flag-icon-gb'></span><span><span>EN</span>", 'en']
     ]
     render SelectInputComponent.new(id: 'id', name: 'name', values: values, placeholder: 'Choose a language')
   end