XMP Metadata
============

*Status*: proposal

*Author*: Viatrix

*Submission date*: 2025-08-13

*Implementations*: `exiftool <https://exiftool.org>`_,
`picrew-downloader <https://vivivi.leprd.space/software/picrew-downloader/>`_

The proposed feature is: Allow metadata in the XMP_ format to be placed
within an OpenRaster file at the path ``META-INF/metadata.xml``.

.. _XMP: https://en.wikipedia.org/wiki/Extensible_Metadata_Platform

This is useful for including general metadata (a title, a comment, etc.),
or usage-specific metadata should the need arise.

Impact on applications
----------------------

This feature specifies metadata only and does not change the layer stack or
image data. As such, applications which do not recognize the feature can
display the image normally.

The file ``META-INF/metadata.xml`` is used for XMP metadata in a number of
OpenDocument-descended file formats. As such, existing applications may
successfully locate the metadata at this path (such as exiftool did).