This update simplifies how accounting documents move through their lifecycle by replacing older workflow mechanics with direct actions in invoices, payments, refunds, and bank reconciliation. It helps make accounting behavior more reliable and easier to maintain, while also updating related tests and demo data to match the new process.

Task: https://www.odoo.com/web?#id=27198&view_type=form&model=project.task&menu_id=5200

Odoo now better detects and processes bounced emails, helping teams identify messages that did not reach recipients. CRM opportunities gain visibility into bounce activity, while underlying mail handling was cleaned up to support more reliable future email processing.