The UTM marketing tracking module was modernized to use Odoo's newer application framework. This should make campaign tracking code easier to maintain and extend, with limited direct impact on day-to-day users.

Task: https://www.odoo.com/web#id=13383&view_type=form&model=project.task&menu_id=3942&action=327

Pad: https://pad.odoo.com/p/r.oobesQhFzC3HH41w

This fixes currency rate calculations so updated rates are properly taken into account during automated checks. It helps ensure financial values based on exchange rates stay accurate and reliable.

…d the currency rate updated from unit test cases.

Task: https://www.odoo.com/web#id=9852&view_type=form&model=project.task&menu_id=3942&action=327

Pad: https://pad.odoo.com/p/r.cqnCLbhFVVEXeqPa

This fixes an issue where the email composition wizard could add the same attachment more than once. Users sending emails from Odoo will see cleaner outgoing messages and avoid confusing or redundant duplicate files.

Task: https://www.odoo.com/web#id=13269&view_type=form&model=project.task&menu_id=3942&action=327

Pad: https://pad.odoo.com/p/r.28eMnm9Ful0PNf5x