Question about Mesh Preview in Unreal Engine's Retarget Mode

Development Character & Animation
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n Unreal Engine’s Retarget Mode, the Preview Mesh set in the Skeletal Mesh does not appear, making it difficult to visualize how the retargeting adjustments affect the character. Instead, only the bone structure is displayed.

Before diving into C++ modifications, is there any built-in way to enable the Preview Mesh within the Retarget Editor? If not, would it be possible to modify the system via C++ to:

  1. Display the Preview Mesh for both the Source and Target Skeletons inside the Retarget Editor.

  2. Add an option in the Editor UI to toggle the Preview Mesh on or off.

  3. Attach a Mesh to a specific bone (e.g., head or torso) to serve as a reference during adjustments.

If modifying the Retarget Editor is necessary, what would be the best approach within Unreal Engine’s API to achieve this?