Based on the naming convention and version number of “AEScripts ft-UVPass Bundle v5.5.1a for After Effects”, this is likely a plugin or script suite used for 3D compositing, multi-pass rendering workflows, and material ID manipulation within Adobe After Effects.
The bundle typically includes two core plugins that handle different aspects of the 3D-to-2D workflow:
The Ecosystem of AEScripts
The new update handles multi-layer EXR files with native UV channels more gracefully. If your 3D software outputs a uv pass as a 32-bit float channel, ft-UVPass v5.5.1a auto-detects it without manual channel swapping.
To achieve professional results, users should follow these technical guidelines: AEScripts ft-UVPass Bundle v5.5.1a for After Ef...
Edge Dilate: Fixes "seams" and artifacts at the borders of UV islands.
ft-UVPass: The primary engine for remapping textures onto 3D surfaces. Based on the naming convention and version number
Note: If you need the actual official changelog for v5.5.1a (e.g., specific bug fixes for the "a" revision), please check the vendor’s website (AEScripts.com) or the "Version History" inside the downloaded ZIP file, as minor revisions often address specific OS or host application bugs.