From my private conversations with several Iceberg PMC members, it’s clear that full equality delete support across major query engines will be slow — not due to lack of will, but due to complexity.
Although the last time I touched Debezium in 2020, it was too immature to adopt, I thought surely its problems had been solved by now. Apparently not. I really appreciate this in-depth list of real-world problems encountered by clients trying to pipe CDC-captured changes.