diff --git a/app/MindWork AI Studio/Assistants/LegalCheck/AssistantLegalCheck.razor b/app/MindWork AI Studio/Assistants/LegalCheck/AssistantLegalCheck.razor
index 01405125..6ec7afad 100644
--- a/app/MindWork AI Studio/Assistants/LegalCheck/AssistantLegalCheck.razor	
+++ b/app/MindWork AI Studio/Assistants/LegalCheck/AssistantLegalCheck.razor	
@@ -1,5 +1,4 @@
 @attribute [Route(Routes.ASSISTANT_LEGAL_CHECK)]
-@using AIStudio.Settings.DataModel
 @inherits AssistantBaseCore<AIStudio.Dialogs.Settings.SettingsDialogLegalCheck>
 
 @if (!this.SettingsManager.ConfigurationData.LegalCheck.HideWebContentReader)
@@ -7,11 +6,7 @@
     <ReadWebContent @bind-Content="@this.inputLegalDocument" ProviderSettings="@this.providerSettings" @bind-AgentIsRunning="@this.isAgentRunning" Preselect="@(this.SettingsManager.ConfigurationData.LegalCheck.PreselectOptions && this.SettingsManager.ConfigurationData.LegalCheck.PreselectWebContentReader)" PreselectContentCleanerAgent="@(this.SettingsManager.ConfigurationData.LegalCheck.PreselectOptions && this.SettingsManager.ConfigurationData.LegalCheck.PreselectContentCleanerAgent)"/>
 }
 
-@if (PreviewFeatures.PRE_READ_PDF_2025.IsEnabled(this.SettingsManager))
-{
-    <ReadPDFContent @bind-PDFContent="@this.inputLegalDocument"/>
-}
-
+<ReadPDFContent @bind-PDFContent="@this.inputLegalDocument"/>
 <MudTextField T="string" Disabled="@this.isAgentRunning" @bind-Text="@this.inputLegalDocument" Validation="@this.ValidatingLegalDocument" AdornmentIcon="@Icons.Material.Filled.DocumentScanner" Adornment="Adornment.Start" Label="@T("Legal document")" Variant="Variant.Outlined" Lines="12" AutoGrow="@true" MaxLines="24" Class="mb-3" UserAttributes="@USER_INPUT_ATTRIBUTES"/>
 <MudTextField T="string" Disabled="@this.isAgentRunning" @bind-Text="@this.inputQuestions" Validation="@this.ValidatingQuestions" AdornmentIcon="@Icons.Material.Filled.QuestionAnswer" Adornment="Adornment.Start" Label="@T("Your questions")" Variant="Variant.Outlined" Lines="6" AutoGrow="@true" MaxLines="12" Class="mb-3" UserAttributes="@USER_INPUT_ATTRIBUTES"/>
 <ProviderSelection @bind-ProviderSettings="@this.providerSettings" ValidateProvider="@this.ValidatingProvider"/>
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Assistants/TextSummarizer/AssistantTextSummarizer.razor b/app/MindWork AI Studio/Assistants/TextSummarizer/AssistantTextSummarizer.razor
index 3f49d185..277767ef 100644
--- a/app/MindWork AI Studio/Assistants/TextSummarizer/AssistantTextSummarizer.razor	
+++ b/app/MindWork AI Studio/Assistants/TextSummarizer/AssistantTextSummarizer.razor	
@@ -1,5 +1,4 @@
 @attribute [Route(Routes.ASSISTANT_SUMMARIZER)]
-@using AIStudio.Settings.DataModel
 @inherits AssistantBaseCore<AIStudio.Dialogs.Settings.SettingsDialogTextSummarizer>
 
 @if (!this.SettingsManager.ConfigurationData.TextSummarizer.HideWebContentReader)
@@ -7,11 +6,7 @@
     <ReadWebContent @bind-Content="@this.inputText" ProviderSettings="@this.providerSettings" @bind-AgentIsRunning="@this.isAgentRunning" Preselect="@(this.SettingsManager.ConfigurationData.TextSummarizer.PreselectOptions && this.SettingsManager.ConfigurationData.TextSummarizer.PreselectWebContentReader)" PreselectContentCleanerAgent="@(this.SettingsManager.ConfigurationData.TextSummarizer.PreselectOptions && this.SettingsManager.ConfigurationData.TextSummarizer.PreselectContentCleanerAgent)"/>
 }
 
-@if (PreviewFeatures.PRE_READ_PDF_2025.IsEnabled(this.SettingsManager))
-{
-    <ReadPDFContent @bind-PDFContent="@this.inputText"/>
-}
-
+<ReadPDFContent @bind-PDFContent="@this.inputText"/>
 <MudTextField T="string" Disabled="@this.isAgentRunning" @bind-Text="@this.inputText" Validation="@this.ValidatingText" AdornmentIcon="@Icons.Material.Filled.DocumentScanner" Adornment="Adornment.Start" Label="@T("Your input")" Variant="Variant.Outlined" Lines="6" AutoGrow="@true" MaxLines="12" Class="mb-3" UserAttributes="@USER_INPUT_ATTRIBUTES"/>
 <EnumSelection T="CommonLanguages" NameFunc="@(language => language.Name())" @bind-Value="@this.selectedTargetLanguage" Icon="@Icons.Material.Filled.Translate" Label="@T("Target language")" AllowOther="@true" @bind-OtherInput="@this.customTargetLanguage" OtherValue="CommonLanguages.OTHER" LabelOther="@T("Custom target language")" ValidateOther="@this.ValidateCustomLanguage" />
 <EnumSelection T="Complexity" NameFunc="@(complexity => complexity.Name())" @bind-Value="@this.selectedComplexity" Icon="@Icons.Material.Filled.Layers" Label="@T("Target complexity")" AllowOther="@true" @bind-OtherInput="@this.expertInField" OtherValue="Complexity.SCIENTIFIC_LANGUAGE_OTHER_EXPERTS" LabelOther="@T("Your expertise")" ValidateOther="@this.ValidateExpertInField" />
diff --git a/app/MindWork AI Studio/Assistants/Translation/AssistantTranslation.razor b/app/MindWork AI Studio/Assistants/Translation/AssistantTranslation.razor
index 571b408e..d7bf0e52 100644
--- a/app/MindWork AI Studio/Assistants/Translation/AssistantTranslation.razor	
+++ b/app/MindWork AI Studio/Assistants/Translation/AssistantTranslation.razor	
@@ -1,5 +1,4 @@
 @attribute [Route(Routes.ASSISTANT_TRANSLATION)]
-@using AIStudio.Settings.DataModel
 @inherits AssistantBaseCore<AIStudio.Dialogs.Settings.SettingsDialogTranslation>
 
 @if (!this.SettingsManager.ConfigurationData.Translation.HideWebContentReader)
@@ -7,11 +6,7 @@
     <ReadWebContent @bind-Content="@this.inputText" ProviderSettings="@this.providerSettings" @bind-AgentIsRunning="@this.isAgentRunning" Preselect="@(this.SettingsManager.ConfigurationData.Translation.PreselectOptions && this.SettingsManager.ConfigurationData.Translation.PreselectWebContentReader)" PreselectContentCleanerAgent="@(this.SettingsManager.ConfigurationData.Translation.PreselectOptions && this.SettingsManager.ConfigurationData.Translation.PreselectContentCleanerAgent)"/>
 }
 
-@if (PreviewFeatures.PRE_READ_PDF_2025.IsEnabled(this.SettingsManager))
-{
-    <ReadPDFContent @bind-PDFContent="@this.inputText"/>
-}
-
+<ReadPDFContent @bind-PDFContent="@this.inputText"/>
 <MudTextSwitch Label="@T("Live translation")" @bind-Value="@this.liveTranslation" LabelOn="@T("Live translation")" LabelOff="@T("No live translation")"/>
 @if (this.liveTranslation)
 {
diff --git a/app/MindWork AI Studio/Components/Settings/SettingsPanelApp.razor b/app/MindWork AI Studio/Components/Settings/SettingsPanelApp.razor
index 97bd672d..88eb9f9c 100644
--- a/app/MindWork AI Studio/Components/Settings/SettingsPanelApp.razor	
+++ b/app/MindWork AI Studio/Components/Settings/SettingsPanelApp.razor	
@@ -26,7 +26,7 @@
         var availablePreviewFeatures = ConfigurationSelectDataFactory.GetPreviewFeaturesData(this.SettingsManager).ToList();
         if (availablePreviewFeatures.Count > 0)
         {
-            <ConfigurationMultiSelect OptionDescription="@T("Select preview features")" SelectedValues="@(() => this.SettingsManager.ConfigurationData.App.EnabledPreviewFeatures)" Data="@availablePreviewFeatures" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.App.EnabledPreviewFeatures = selectedValue)" OptionHelp="@T("Which preview features would you like to enable?")"/>
+            <ConfigurationMultiSelect OptionDescription="@T("Select preview features")" SelectedValues="@(() => this.SettingsManager.ConfigurationData.App.EnabledPreviewFeatures.Where(x => !x.IsReleased()).ToHashSet())" Data="@availablePreviewFeatures" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.App.EnabledPreviewFeatures = selectedValue)" OptionHelp="@T("Which preview features would you like to enable?")"/>
         }
     }
 
diff --git a/app/MindWork AI Studio/Settings/ConfigurationSelectDataFactory.cs b/app/MindWork AI Studio/Settings/ConfigurationSelectDataFactory.cs
index 9d066a7a..4e461f9d 100644
--- a/app/MindWork AI Studio/Settings/ConfigurationSelectDataFactory.cs	
+++ b/app/MindWork AI Studio/Settings/ConfigurationSelectDataFactory.cs	
@@ -108,7 +108,7 @@ public static class ConfigurationSelectDataFactory
     
     public static IEnumerable<ConfigurationSelectData<PreviewFeatures>> GetPreviewFeaturesData(SettingsManager settingsManager)
     {
-        foreach (var source in settingsManager.ConfigurationData.App.PreviewVisibility.GetPreviewFeatures())
+        foreach (var source in settingsManager.ConfigurationData.App.PreviewVisibility.GetPreviewFeatures().Where(x => !x.IsReleased()))
             yield return new(source.GetPreviewDescription(), source);
     }
     
diff --git a/app/MindWork AI Studio/Settings/DataModel/PreviewFeaturesExtensions.cs b/app/MindWork AI Studio/Settings/DataModel/PreviewFeaturesExtensions.cs
index 79972185..e99fef96 100644
--- a/app/MindWork AI Studio/Settings/DataModel/PreviewFeaturesExtensions.cs	
+++ b/app/MindWork AI Studio/Settings/DataModel/PreviewFeaturesExtensions.cs	
@@ -17,5 +17,26 @@ public static class PreviewFeaturesExtensions
         _ => TB("Unknown preview feature")
     };
     
-    public static bool IsEnabled(this PreviewFeatures feature, SettingsManager settingsManager) => settingsManager.ConfigurationData.App.EnabledPreviewFeatures.Contains(feature);
+    /// <summary>
+    /// Check if the preview feature is released or not.
+    /// </summary>
+    /// <remarks>
+    /// This metadata is necessary because we cannot remove the enum values from the list.
+    /// Otherwise, we could not deserialize old settings files that may contain these values.
+    /// </remarks>
+    /// <param name="feature">The preview feature to check.</param>
+    /// <returns>True when the preview feature is released, false otherwise.</returns>
+    public static bool IsReleased(this PreviewFeatures feature) => feature switch
+    {
+        PreviewFeatures.PRE_READ_PDF_2025 => true,
+        _ => false
+    };
+    
+    public static bool IsEnabled(this PreviewFeatures feature, SettingsManager settingsManager)
+    {
+        if(feature.IsReleased())
+            return true;
+        
+        return settingsManager.ConfigurationData.App.EnabledPreviewFeatures.Contains(feature);
+    }
 }
\ No newline at end of file
diff --git a/app/MindWork AI Studio/wwwroot/changelog/v0.9.44.md b/app/MindWork AI Studio/wwwroot/changelog/v0.9.44.md
index 20ef6f55..61b53dd4 100644
--- a/app/MindWork AI Studio/wwwroot/changelog/v0.9.44.md	
+++ b/app/MindWork AI Studio/wwwroot/changelog/v0.9.44.md	
@@ -1,4 +1,5 @@
 # v0.9.44, build 219 (2025-05-xx xx:xx UTC)
+- Added PDF import feature: we have completed the work on the PDF import feature. Importing PDF files has been successfully tested on macOS, Linux, and Windows. The feature is now enabled for everyone.
 - Improved compatibility with certain Ubuntu linux versions regarding desktop integration.
 - Improved the table views for providers, embeddings, and profiles by displaying actions as icons with tooltips.
 - Improved localization code & German translation.
diff --git a/metadata.txt b/metadata.txt
index 8c544cbb..ca703be9 100644
--- a/metadata.txt
+++ b/metadata.txt
@@ -8,4 +8,4 @@
 1.8.1
 ba236c4012d, release
 osx-arm64
-137.0.7123.0
+137.0.7123.0
\ No newline at end of file