[Announcement] Static File CSV Content-Type Changed to "text/csv"

[Tratcher]

Static File CSV Content-Type Changed to "text/csv"

The default Content-Type that StaticFiles uses for .csv files is being changed to be the standards compliant value text/csv.

Version introduced

5.0

Old behavior

The Content-Type application/octet-stream was used.

New behavior

The Content-Type text/csv is used.

Reason for change

This complies with RFC 7111.

Recommended action

If this change impacts your application then the Content-Type mapping can be customized as documented here.

Category

ASP.NET

Affected APIs

FileExtensionContentTypeProvider

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Issue metadata

• Issue type: breaking-change

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