https://bugs.documentfoundation.org/show_bug.cgi?id=169675

            Bug ID: 169675
           Summary: PPTX FILESAVE Animations on 3D objects result in
                    invalid PPTX
           Product: LibreOffice
           Version: 4.0.0.3 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: filters and storage
          Assignee: [email protected]
          Reporter: [email protected]
            Blocks: 104787

Created attachment 204268
  --> https://bugs.documentfoundation.org/attachment.cgi?id=204268&action=edit
Sample ODP

The attached ODP presentation has:
- a 3D object,
- a regular shape,
- a grouped shape containing a 3D object and a regular shape,
...with animations defined on each.

Save it as PPTX.
When opening the result in Impress, you will see the 3D objects are gone, this
is expected, as they are specific to Impress.
Opening the result in PowerPoint fails.

The 3D objects aren't exported, but the animations on them are, causing invalid
shape reference to be written into the PPTX.

If a grouped shape only consists of 3D objects, an empty group shape is
exported, which is still OK, the problem is only animations on individual
objects.

Observed using LO 26.2.0.0.alpha1+ (2025-11-22), 4.0.0.3 / Windows.


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=104787
[Bug 104787] [META] Saved PPTX files that MS Powerpoint can't open
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