The settings pages no longer show installation options or configuration fields for mass mailing and marketing campaigns in the wrong places. This reduces confusion for users by only showing relevant settings when the related features are installed, while consolidating campaign-related components behind the scenes.

TASK : https://pad.odoo.com/p/r.Mv01pBTMI6T7EwNp

This update fixes an error that could occur when confirming an asset after using the change duration button. It helps accounting users complete asset adjustments without interruption.

Fix in #2554.

This fixes a chatter issue where clicking send with an empty message could prevent a later valid message from being sent properly. Users can now recover smoothly after an accidental empty send attempt, reducing frustration when communicating in Odoo.

[Fix] mail module #2250:

This fixes an issue where the same product could appear more than once in the product selection list when setting up pricelist rules. Business users now see a cleaner, less confusing selection experience when configuring purchase-related pricing.

fix issue #543: