Missing smooth position keyframes in FCPXML

[latenitefilms]

Apple Feedback Assistant ID: FB13525010

DESCRIBE THE BUG:
FCPXML currently doesn't support smooth position keyframes.

For example, the default keyframe curve is smooth, but it doesn't contain any of the bezier curve data:

<param name="position">
    <keyframeAnimation>
        <keyframe time="6700/2500s" value="-5.71162 8.05393"/>
        <keyframe time="15900/2500s" value="66.2037 37.7778"/>
    </keyframeAnimation>
</param>

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TO REPRODUCE:

• Create a new Library
• Create a new Project
• Add a video to the project
• Create a position keyframe at the start of the clip
• Go to the end of the clip and move the video in the Viewer
• Modify the bezier curves for the keyframes
• Export a FCPXML
• Re-import the FCPXML
• The original project will be visually different to the imported project.

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EXPECTED BEHAVIOUR:
FCPXML should support "smooth" keyframes.

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SPECS:

• 2021 16-inch MacBook Pro (M1 Max, 64GB RAM, 8TB SSD)
• macOS Sonoma 14.1.2
• Final Cut Pro 10.7.1