rdblue commented on pull request #3269:
URL: https://github.com/apache/iceberg/pull/3269#issuecomment-961520437


   @wypoon and others. For our next release, should we add something like this 
PR so that we can fix schemas with time travel in Spark 3.0? We don't have to 
document that we support time travel through table identifiers so that we can 
remove it later and replace it with the `AS OF` syntax. What do you think?
   
   @huaxingao, one more thing to consider on your PR is how to update 
`SupportsCatalogOptions` to be able to pass the time travel information. 
Otherwise, I don't think that @wypoon would be able to make the 
`DataFrameReader` API work with time travel and the snapshot's schema.


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