friendlymatthew opened a new issue, #8665:
URL: https://github.com/apache/arrow-rs/issues/8665

   **Is your feature request related to a problem or challenge? Please describe 
what you are trying to do.**
   
   `shred_variant` currently panics when attempting to shred `Variant`s 
containing values of the `FixedSizeBinary(16)` data type
   
   ```rs
   let input = VariantArray::from_iter([ Some(Variant::from(Uuid::new_v4())), 
None]);
   let out =  shred_variant(&input, &DataType::FixedSizeBinary(16)).unwrap(); 
// panics!
   ```
   
   **Describe the solution you'd like**
   `shred_variant` should handle this case gracefully instead of panicking, and 
correctly shred variants of `FixedSizeBinary(16)`. 
   
   Note, since `FixedSizeBinary(16)` represents a UUID, it's super important 
that the implementation respects the canonical UUID extension type
   
   Related https://github.com/apache/arrow-rs/issues/8420
   
   


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