RestCatalog is definitely not a blocker, however, would be good to reach an agreement on HIVE-29038 before releasing the new configs. For now, we can move forward with Iceberg-specific configs and handle unification in a follow-up release. WDYT?
HIVE-28744 <https://issues.apache.org/jira/browse/HIVE-28744>: Fix the row count estimation for INT and BIGINT types is not a regression, but should improve row count estimates and performance Only HIVE-29030 and HIVE-29034 are regression-related items