The barcode module has been migrated to Odoo's newer internal framework and its files were reorganized. This should make barcode-related features easier to maintain and improve consistency across connected areas like Point of Sale and Inventory, without introducing major visible changes for users.

Task:
https://www.odoo.com/web#id=13727&view_type=form&model=project.task&menu_id=3942&action=327
Pad:
https://pad.odoo.com/p/openerp-project.task-DHQH4CJTRW

The employee leave management app was migrated to Odoo's newer internal framework and reorganized for cleaner maintenance. This reduces technical debt, improves test coverage, and keeps the app easier to support without introducing major changes for end users.

Task: https://www.odoo.com/web#min=1&limit=80&view_type=list&model=project.task&action=327&menu_id=4720