[VOTE] KIP-581: Value of optional null field which has default value

[Mickael Maison]

Hi all,

I'd like to start a vote on KIP-581 to allow keeping null values
instead of always replacing with the default values:
https://cwiki.apache.org/confluence/display/KAFKA/KIP-581%3A+Value+of+optional+null+field+which+has+default+value

Thanks,
Mickael