Hello,
I believe, that the name "Masahiko Sawada" was misspelled in the latest
release notes.
See:
https://www.postgresql.org/message-id/CAD21AoB5K1qJm%2Bwj%2BTTCP-sFPiSdnd0LGd_pNAfi3VXrGKfdjw%40mail.gmail.com
The patch is attached.
Best regards,
Alexander