Bitcoin ABC version 0.28.4 is now available from:
https://download.bitcoinabc.org/0.28.4/
This release includes the following features and fixes:
-persistavapeers=0
option.bitcoin-seeder
was not working properly since version 0.28.2 and has been
fixed. While crawling for peers appropriately, it would have fail to mark any
peer as good due to a bug.