Bitcoin ABC version 0.28.2 is now available from:
https://download.bitcoinabc.org/0.28.2/
This is a hotfix release to patch a bug that has been introduced in the previous version and could cause the finalization status of an avalanche proof to be lost by the node under some conditions.
All the nodes operators are required to update to this version before the November 15th 2023 eCash network upgrade.