In AEM 6.5.22, the translation integration framework (translation cloud services) has a field called 'Disable Update-Only Translation' (shown below). There is no mention about this field in AEM 6.5 documentation here - https://experienceleague.adobe.com/en/docs/experience-manager-65/content/sites/administering/introdu...

However, in AEMaaCS documentation - https://experienceleague.adobe.com/en/docs/experience-manager-cloud-service/content/sites/administer... there is a mention about this field where it says
Disable Update-Only Translation |
When this option is checked, updating the translation project submits all translatable fields for translation, not just the ones changed since last translation. |
I have a requirement where a page being sent for translation 2nd time and on selecting 'Update Language Copy', only the delta strings/keys should be exported (using OOTB Human Translation) instead of sending all the strings which are untouched/already translated and I was hoping this flag should help but it doesn't. Has anyone come across this requirement and potential solution before I create Adobe Support ticket?
Thanks!