The following packages have been masked for removal in 30 days. dev-python/twisted-xish dev-python/twisted-pair dev-python/twisted-flow
They are either unmaintained or deprecated and they force downgrade on the newly stable dev-python/twisted*-8.1.0 dev-python/twibber is also unmaintained and depends on twisted-xish that is to be removed. See bug #231675 for reference. Best regards, Jesus Rivero