diff --git a/src/BirthList.Domain/Entities/UserActionLog.cs b/src/BirthList.Domain/Entities/UserActionLog.cs
index 1d81910..a012653 100644
--- a/src/BirthList.Domain/Entities/UserActionLog.cs
+++ b/src/BirthList.Domain/Entities/UserActionLog.cs
@@ -22,5 +22,7 @@ public enum UserActionType
     MarkPurchased = 3,
     UnmarkPurchased = 4,
     MarkPartialPurchase = 5,
-    LogContribution = 6
+    LogContribution = 6,
+    MetadataFetchSucceeded = 7,
+    MetadataFetchFailed = 8
 }
diff --git a/src/BirthList.Web/Components/Layout/TopBar.razor b/src/BirthList.Web/Components/Layout/TopBar.razor
index 6af0ee4..23238f8 100644
--- a/src/BirthList.Web/Components/Layout/TopBar.razor
+++ b/src/BirthList.Web/Components/Layout/TopBar.razor
@@ -2,12 +2,14 @@
 @using BirthList.Web.Features.Localization
 @using BirthList.Web.Features.Registries
 @using BirthList.Web.Services
+@using Microsoft.Extensions.Hosting
 @implements IDisposable
 
 @inject NavigationManager NavigationManager
 @inject AuthenticationStateProvider AuthenticationStateProvider
 @inject RegistryUserContext RegistryUserContext
 @inject ProfileCompletionService ProfileCompletionService
+@inject IHostEnvironment HostEnvironment
 
 @if (ShowProfileCompletionPrompt)
 {
@@ -70,12 +72,21 @@
     private bool ShowProfileCompletionPrompt { get; set; }
     private string CurrentCulture { get; set; } = "en";
 
-    private static readonly IReadOnlyList<LanguageOption> LanguageOptions =
+    private IReadOnlyList<LanguageOption> LanguageOptions => HostEnvironment.IsDevelopment()
+        ? DevelopmentLanguageOptions
+        : ProductionLanguageOptions;
+
+    private static readonly IReadOnlyList<LanguageOption> ProductionLanguageOptions =
     [
         new("en", "English"),
         new("nl-NL", "Nederlands (NL)"),
         new("nl-BE", "Nederlands (BE)"),
-        new("fr-FR", "Français"),
+        new("fr-FR", "Français")
+    ];
+
+    private static readonly IReadOnlyList<LanguageOption> DevelopmentLanguageOptions =
+    [
+        ..ProductionLanguageOptions,
         new("qps-Ploc", "Pseudo")
     ];
 
diff --git a/src/BirthList.Web/Components/Pages/RegistryActionLog.razor b/src/BirthList.Web/Components/Pages/RegistryActionLog.razor
index f9fbb24..ca7d7e9 100644
--- a/src/BirthList.Web/Components/Pages/RegistryActionLog.razor
+++ b/src/BirthList.Web/Components/Pages/RegistryActionLog.razor
@@ -65,6 +65,12 @@ else
                                     case "LogContribution":
                                         <span class="badge bg-secondary">@L["RegistryActionLog.Badge.ContributionLogged"]</span>
                                         break;
+                                    case "MetadataFetchSucceeded":
+                                        <span class="badge bg-success">@L["RegistryActionLog.Badge.MetadataFetchSucceeded"]</span>
+                                        break;
+                                    case "MetadataFetchFailed":
+                                        <span class="badge bg-danger">@L["RegistryActionLog.Badge.MetadataFetchFailed"]</span>
+                                        break;
                                     default:
                                         <span class="badge bg-dark">@log.ActionType</span>
                                         break;
diff --git a/src/BirthList.Web/Components/Pages/RegistryAdmin.razor.cs b/src/BirthList.Web/Components/Pages/RegistryAdmin.razor.cs
index 8363b00..25e035b 100644
--- a/src/BirthList.Web/Components/Pages/RegistryAdmin.razor.cs
+++ b/src/BirthList.Web/Components/Pages/RegistryAdmin.razor.cs
@@ -1,3 +1,4 @@
+using BirthList.Domain.Entities;
 using BirthList.Web.Authorization;
 using BirthList.Web.Features.Registries;
 using BirthList.Web.Services;
@@ -41,10 +42,11 @@ public partial class RegistryAdmin : ComponentBase
     protected string ActiveTab { get; set; } = "items";
     protected RenderFragment ToolbarContent => builder =>
     {
-        builder.AddMarkupContent(0, "<span class='ql-formats'><select class='ql-header'><option selected></option><option value='1'></option><option value='2'></option></select></span>");
-        builder.AddMarkupContent(1, "<span class='ql-formats'><button class='ql-bold'></button><button class='ql-italic'></button><button class='ql-underline'></button></span>");
-        builder.AddMarkupContent(2, "<span class='ql-formats'><button class='ql-list' value='ordered'></button><button class='ql-list' value='bullet'></button></span>");
-        builder.AddMarkupContent(3, "<span class='ql-formats'><button class='ql-link'></button><button class='ql-clean'></button></span>");
+        builder.AddMarkupContent(0, @"<span class='ql-formats'><select class='ql-size'><option value='small'></option><option selected></option><option value='large'></option><option value='huge'></option></select><select class='ql-header'><option selected></option><option value='1'></option><option value='2'></option><option value='3'></option><option value='4'></option><option value='5'></option></select></span>");
+        builder.AddMarkupContent(1, @"<span class='ql-formats'><button class='ql-bold'></button><button class='ql-italic'></button><button class='ql-underline'></button><button class='ql-strike'></button></span>");
+        builder.AddMarkupContent(2, @"<span class='ql-formats'><select class=""ql-color""></select><select class=""ql-background""></select></span>");
+        builder.AddMarkupContent(3, @"<span class='ql-formats'><button class='ql-list' value='ordered'></button><button class='ql-list' value='bullet'></button></span>");
+        builder.AddMarkupContent(4, @"<span class='ql-formats'><button class='ql-link'></button><button class='ql-clean'></button></span>");
     };
 
     private bool _pendingEditorLoad;
@@ -583,41 +585,95 @@ public partial class RegistryAdmin : ComponentBase
             return;
         }
 
-        var metadata = await RegistryMetadataService.FetchAsync(ItemModel.ProductUrl, CancellationToken.None).ConfigureAwait(false);
-        if (metadata is null)
+        var userId = await RegistryUserContext.GetUserIdAsync(CancellationToken.None).ConfigureAwait(false);
+        var actorUserId = string.IsNullOrWhiteSpace(userId) ? "unknown-user" : userId;
+
+        async Task LogMetadataAsync(UserActionType actionType, string details)
         {
-            return;
+            try
+            {
+                await RegistryService.LogUserActionAsync(
+                    RegistryId,
+                    actorUserId,
+                    actionType,
+                    ItemModel.Id,
+                    TruncateLogDetails(details),
+                    CancellationToken.None).ConfigureAwait(false);
+            }
+            catch (ArgumentException)
+            {
+                // Keep autofetch UX stable even if logging cannot be persisted.
+            }
         }
 
-        if (!string.IsNullOrWhiteSpace(metadata.NormalizedUrl))
+        try
         {
-            ItemModel.ProductUrl = metadata.NormalizedUrl;
+            var metadata = await RegistryMetadataService.FetchAsync(ItemModel.ProductUrl, CancellationToken.None).ConfigureAwait(false);
+            if (metadata is null)
+            {
+                await LogMetadataAsync(UserActionType.MetadataFetchFailed, $"metadata-fetch failed; url={ItemModel.ProductUrl}; reason=no-metadata").ConfigureAwait(false);
+                return;
+            }
+
+            if (!string.IsNullOrWhiteSpace(metadata.NormalizedUrl))
+            {
+                ItemModel.ProductUrl = metadata.NormalizedUrl;
+            }
+
+            if ((string.IsNullOrWhiteSpace(ItemModel.Name) || string.Equals(ItemModel.Name, "Amazon", StringComparison.OrdinalIgnoreCase)) && !string.IsNullOrWhiteSpace(metadata.Title))
+            {
+                ItemModel.Name = metadata.Title;
+            }
+
+            if ((string.IsNullOrWhiteSpace(ItemModel.Description) || string.Equals(ItemModel.Description, "Amazon", StringComparison.OrdinalIgnoreCase)) && !string.IsNullOrWhiteSpace(metadata.Description))
+            {
+                ItemModel.Description = metadata.Description;
+            }
+
+            if (string.IsNullOrWhiteSpace(ItemModel.PictureUrl) && !string.IsNullOrWhiteSpace(metadata.ImageUrl))
+            {
+                ItemModel.PictureUrl = metadata.ImageUrl;
+            }
+
+            if (!ItemModel.PriceAmount.HasValue && metadata.PriceAmount.HasValue)
+            {
+                ItemModel.PriceAmount = metadata.PriceAmount;
+            }
+
+            if (!string.IsNullOrWhiteSpace(metadata.CurrencyCode))
+            {
+                ItemModel.CurrencyCode = metadata.CurrencyCode;
+            }
+
+            var summary = $"metadata-fetch success; url={ItemModel.ProductUrl}; title={(string.IsNullOrWhiteSpace(metadata.Title) ? "-" : metadata.Title)}; image={(string.IsNullOrWhiteSpace(metadata.ImageUrl) ? "no" : "yes")}; price={(metadata.PriceAmount.HasValue ? metadata.PriceAmount.Value.ToString("0.00") : "-")}; currency={(string.IsNullOrWhiteSpace(metadata.CurrencyCode) ? "-" : metadata.CurrencyCode)}";
+            await LogMetadataAsync(UserActionType.MetadataFetchSucceeded, summary).ConfigureAwait(false);
+        }
+        catch (HttpRequestException ex)
+        {
+            await LogMetadataAsync(UserActionType.MetadataFetchFailed, $"metadata-fetch failed; url={ItemModel.ProductUrl}; reason=http; message={ex.Message}").ConfigureAwait(false);
+        }
+        catch (TaskCanceledException ex)
+        {
+            await LogMetadataAsync(UserActionType.MetadataFetchFailed, $"metadata-fetch failed; url={ItemModel.ProductUrl}; reason=timeout-or-cancel; message={ex.Message}").ConfigureAwait(false);
+        }
+        catch (InvalidOperationException ex)
+        {
+            await LogMetadataAsync(UserActionType.MetadataFetchFailed, $"metadata-fetch failed; url={ItemModel.ProductUrl}; reason=invalid-operation; message={ex.Message}").ConfigureAwait(false);
+        }
+        catch (Exception ex)
+        {
+            await LogMetadataAsync(UserActionType.MetadataFetchFailed, $"metadata-fetch failed; url={ItemModel.ProductUrl}; reason=unexpected-{ex.GetType().Name}; message={ex.Message}").ConfigureAwait(false);
+        }
+    }
+
+    private static string TruncateLogDetails(string details)
+    {
+        if (string.IsNullOrWhiteSpace(details))
+        {
+            return string.Empty;
         }
 
-        if ((string.IsNullOrWhiteSpace(ItemModel.Name) || string.Equals(ItemModel.Name, "Amazon", StringComparison.OrdinalIgnoreCase)) && !string.IsNullOrWhiteSpace(metadata.Title))
-        {
-            ItemModel.Name = metadata.Title;
-        }
-
-        if ((string.IsNullOrWhiteSpace(ItemModel.Description) || string.Equals(ItemModel.Description, "Amazon", StringComparison.OrdinalIgnoreCase)) && !string.IsNullOrWhiteSpace(metadata.Description))
-        {
-            ItemModel.Description = metadata.Description;
-        }
-
-        if (string.IsNullOrWhiteSpace(ItemModel.PictureUrl) && !string.IsNullOrWhiteSpace(metadata.ImageUrl))
-        {
-            ItemModel.PictureUrl = metadata.ImageUrl;
-        }
-
-        if (!ItemModel.PriceAmount.HasValue && metadata.PriceAmount.HasValue)
-        {
-            ItemModel.PriceAmount = metadata.PriceAmount;
-        }
-
-        if (!string.IsNullOrWhiteSpace(metadata.CurrencyCode))
-        {
-            ItemModel.CurrencyCode = metadata.CurrencyCode;
-        }
+        return details.Length <= 500 ? details : details[..500];
     }
 
     protected async Task CreateInviteAsync()
diff --git a/src/BirthList.Web/Components/Pages/RegistryPublic.razor.css b/src/BirthList.Web/Components/Pages/RegistryPublic.razor.css
index dce5f55..0a91bd5 100644
--- a/src/BirthList.Web/Components/Pages/RegistryPublic.razor.css
+++ b/src/BirthList.Web/Components/Pages/RegistryPublic.razor.css
@@ -168,3 +168,16 @@
 .category-toggle span.bi {
     margin-right: 0.25rem;
 }
+
+/* Render Quill text-size classes in public header content */
+.header-content ::deep .ql-size-small {
+    font-size: 0.75em;
+}
+
+.header-content ::deep .ql-size-large {
+    font-size: 1.5em;
+}
+
+.header-content ::deep .ql-size-huge {
+    font-size: 2.5em;
+}
diff --git a/src/BirthList.Web/Features/Registries/RegistryMetadataService.cs b/src/BirthList.Web/Features/Registries/RegistryMetadataService.cs
index 8f36226..babc5b4 100644
--- a/src/BirthList.Web/Features/Registries/RegistryMetadataService.cs
+++ b/src/BirthList.Web/Features/Registries/RegistryMetadataService.cs
@@ -23,15 +23,12 @@ internal sealed class RegistryMetadataService(IHttpClientFactory httpClientFacto
         request.Headers.AcceptLanguage.ParseAdd("en-US,en;q=0.9");
 
         using var response = await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
-        if (!response.IsSuccessStatusCode)
-        {
-            return null;
-        }
+        response.EnsureSuccessStatusCode();
 
         var html = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
         if (string.IsNullOrWhiteSpace(html))
         {
-            return null;
+            throw new InvalidOperationException("Metadata response content was empty.");
         }
 
         var meta = ParseMeta(html);
diff --git a/src/BirthList.Web/Program.cs b/src/BirthList.Web/Program.cs
index 0991f1b..976d70e 100644
--- a/src/BirthList.Web/Program.cs
+++ b/src/BirthList.Web/Program.cs
@@ -13,10 +13,10 @@ using Microsoft.AspNetCore.Components.Authorization;
 using Microsoft.AspNetCore.HttpOverrides;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Localization;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Storage;
-using Microsoft.AspNetCore.Mvc;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -136,15 +136,18 @@ builder.Services.AddLocalization(options =>
     options.ResourcesPath = "Resources";
 });
 
-var supportedCultures = new[]
+var supportedCultures = new List<CultureInfo>
 {
-    new CultureInfo("en"),
-    new CultureInfo("nl-NL"),
-    new CultureInfo("nl-BE"),
-    new CultureInfo("fr-FR"),
-    new CultureInfo("qps-Ploc")
+    new("en"),
+    new("nl-BE"),
+    new("fr-FR")
 };
 
+if (builder.Environment.IsDevelopment())
+{
+    supportedCultures.Add(new CultureInfo("qps-Ploc"));
+}
+
 builder.Services.Configure<RequestLocalizationOptions>(options =>
 {
     options.DefaultRequestCulture = new RequestCulture("en");
diff --git a/src/BirthList.Web/Resources/SharedResources.fr-FR.resx b/src/BirthList.Web/Resources/SharedResources.fr-FR.resx
index 8063576..6b673c2 100644
--- a/src/BirthList.Web/Resources/SharedResources.fr-FR.resx
+++ b/src/BirthList.Web/Resources/SharedResources.fr-FR.resx
@@ -216,6 +216,8 @@
   <data name="RegistryActionLog.Badge.PurchaseUnmarked" xml:space="preserve"><value>Achat annulé</value></data>
   <data name="RegistryActionLog.Badge.PartialPurchase" xml:space="preserve"><value>Achat partiel</value></data>
   <data name="RegistryActionLog.Badge.ContributionLogged" xml:space="preserve"><value>Participation enregistrée</value></data>
+  <data name="RegistryActionLog.Badge.MetadataFetchSucceeded" xml:space="preserve"><value>Remplissage auto réussi</value></data>
+  <data name="RegistryActionLog.Badge.MetadataFetchFailed" xml:space="preserve"><value>Remplissage auto échoué</value></data>
 
   <data name="Error.PageTitle" xml:space="preserve"><value>Erreur</value></data>
   <data name="Error.Title" xml:space="preserve"><value>Erreur.</value></data>
diff --git a/src/BirthList.Web/Resources/SharedResources.nl-BE.resx b/src/BirthList.Web/Resources/SharedResources.nl-BE.resx
index 023606d..b1416e5 100644
--- a/src/BirthList.Web/Resources/SharedResources.nl-BE.resx
+++ b/src/BirthList.Web/Resources/SharedResources.nl-BE.resx
@@ -216,6 +216,8 @@
   <data name="RegistryActionLog.Badge.PurchaseUnmarked" xml:space="preserve"><value>Aankoop verwijderd</value></data>
   <data name="RegistryActionLog.Badge.PartialPurchase" xml:space="preserve"><value>Gedeeltelijke aankoop</value></data>
   <data name="RegistryActionLog.Badge.ContributionLogged" xml:space="preserve"><value>Deelname geregistreerd</value></data>
+  <data name="RegistryActionLog.Badge.MetadataFetchSucceeded" xml:space="preserve"><value>Automatisch ophalen gelukt</value></data>
+  <data name="RegistryActionLog.Badge.MetadataFetchFailed" xml:space="preserve"><value>Automatisch ophalen mislukt</value></data>
 
   <data name="Error.PageTitle" xml:space="preserve"><value>Fout</value></data>
   <data name="Error.Title" xml:space="preserve"><value>Fout.</value></data>
diff --git a/src/BirthList.Web/Resources/SharedResources.qps-Ploc.resx b/src/BirthList.Web/Resources/SharedResources.qps-Ploc.resx
index 2307729..6836ba5 100644
--- a/src/BirthList.Web/Resources/SharedResources.qps-Ploc.resx
+++ b/src/BirthList.Web/Resources/SharedResources.qps-Ploc.resx
@@ -621,6 +621,12 @@
   <data name="RegistryActionLog.Badge.ContributionLogged" xml:space="preserve">
     <value>[[Contribution logged]]</value>
   </data>
+  <data name="RegistryActionLog.Badge.MetadataFetchSucceeded" xml:space="preserve">
+    <value>[[Auto fetch succeeded]]</value>
+  </data>
+  <data name="RegistryActionLog.Badge.MetadataFetchFailed" xml:space="preserve">
+    <value>[[Auto fetch failed]]</value>
+  </data>
   <data name="Error.PageTitle" xml:space="preserve">
     <value>[[Error]]</value>
   </data>
diff --git a/src/BirthList.Web/Resources/SharedResources.resx b/src/BirthList.Web/Resources/SharedResources.resx
index ba4d4a3..bb52b04 100644
--- a/src/BirthList.Web/Resources/SharedResources.resx
+++ b/src/BirthList.Web/Resources/SharedResources.resx
@@ -223,6 +223,8 @@
   <data name="RegistryActionLog.Badge.PurchaseUnmarked" xml:space="preserve"><value>Purchase unmarked</value></data>
   <data name="RegistryActionLog.Badge.PartialPurchase" xml:space="preserve"><value>Partial purchase</value></data>
   <data name="RegistryActionLog.Badge.ContributionLogged" xml:space="preserve"><value>Contribution logged</value></data>
+  <data name="RegistryActionLog.Badge.MetadataFetchSucceeded" xml:space="preserve"><value>Auto fetch succeeded</value></data>
+  <data name="RegistryActionLog.Badge.MetadataFetchFailed" xml:space="preserve"><value>Auto fetch failed</value></data>
 
   <data name="Error.PageTitle" xml:space="preserve"><value>Error</value></data>
   <data name="Error.Title" xml:space="preserve"><value>Error.</value></data>