Bitcoin ABC version 0.27.6 is now available from:
https://download.bitcoinabc.org/0.27.6/
This release includes the following features and fixes:
ancestorcount, ancestorsize and ancestorfees fields from the
listunspent RPC have been removed. They were deprecated since the v0.27.0
and are no longer computed since the May 15th, 2023 eCash network upgrade.