When using cash basis taxes, the user has now the possibility to select a cash basis account containing the base amount during the generation of accounting entries.
This commit has been backported in v9 (in form of a module) in revision 1631889e91
- task: https://www.odoo.com/web#id=40284&view_type=form&model=project.task&action=333&active_id=967&menu_id=4720
- Was PR #22599