The following issue has been identified and subsequently replicated by MYOB Support in EXO Business version 8.4.
Before upgrading your clients please take into consideration the following issues especially if the site has specific requirements in these areas.
As always we recommend that thorough testing in a non-live environment is undertaken before commencing an upgrade.
Issue
Support has confirmed that incorrect stock movement occurs when editing invoice with a head office account.
A transaction is completed and applied to the head office account instead of everything happening in the branch account
Workaround
N/A
Resolution
Attached to Problem ticket 12167129383 to be resolved in a future release.