This update adds automated checks for the manufacturing maintenance area, including scenarios tied to effective dates. It helps reduce the risk of future changes disrupting maintenance workflows connected to manufacturing operations.

Task :
https://www.odoo.com/web#id=33212&view_type=form&model=project.task&action=327&menu_id=4720 

Pad : https://pad.odoo.com/p/r.41499bece86bffba0411c87d6fbb1225

This update makes Odoo more efficient when recalculating stored information in the background, reducing unnecessary database checks. It also handles deleted records more safely, avoiding errors when mail messages or other records disappear during processing.

Avoid calling `exists()` on records to recompute.