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Media types: Handle null configured file extensions when populating allowed media types (closes #20620) #20635

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Merged
merged 2 commits into from
Oct 27, 2025
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Media types: Handle null configured file extensions when populating allowed media types (closes #20620) #20635

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Handle null configured file extensions when populating allowed media …
AndyButland Oct 24, 2025
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Added clarifying comment.
AndyButland Oct 24, 2025
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2 changes: 1 addition & 1 deletion src/Umbraco.Core/Services/ContentTypeEditing/MediaTypeEditingService.cs
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Expand Up @@ -175,7 +175,7 @@ private async Task<IDictionary<IMediaType, IEnumerable<string>>> FetchAllowedFil
continue;
}

allowedFileExtensionsByMediaType[mediaType] = fileUploadConfiguration.FileExtensions;
allowedFileExtensionsByMediaType[mediaType] = fileUploadConfiguration.FileExtensions ?? []; // Although we never expect null here, legacy data type configuration did allow it.
}

return allowedFileExtensionsByMediaType;
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