Fails to export animated visibility if animated visibility is connection from a loaded alembic

[BigRoy]

Describe the bug

When loading an animated alembic (animated geometry with also animated visibilities) then for whatever reason Maya USD Export will fail to export that animated visibility - whereas with regular keys it exports fine.

Steps to reproduce

Here's a simple reproducable (see also attachment):

1. An example scene with an animated cube (cluster deform) and the parent group has keyed visibilities.
2. Export to Alembic
3. Reference the Alembic
4. Export both the original animated AND the referenced alembic hierarchy.

The exported loaded alembic is lacking the visibility keys? Even though the regular geometry does have it exported just fine.

Expected behavior

The exported animation data should match what I see in my viewport.

Attachments

debug.zip

Specs (if applicable):

• OS & version : Windows 10/11
• Maya version Maya 2025.3
• Maya USD 0.30.0

Additional context

It seems that when it's a connection instead of regular keyframes it fails to export the visibility?

[santosg87]

Thank you for this report! I Believe this is the same issue as #3995. @BigRoy I am closing this issue as a Duplicate for now, but feel free to re-open if you feel like these are not the same issue. :)

cheers!