This update removes outdated custom activity code from the online courses area because it is no longer needed. This helps keep the feature easier to maintain and reduces the chance of conflicts with current platform behavior, with no expected change for everyday users.

task-2429670

The Planning app’s main action buttons now appear together on a single line in the Gantt view. This fixes a visual layout issue, making the controls easier to scan and use without changing business logic.

Before this commit, in the Planning app, the main buttons are
not displayed on one line.

After this commit, all the main buttons of the Planning app
displayed on the same line

Task-Id: 2428377
PR: #15833

This update makes certain manufacturing work order and quality fields read-only when they should not be edited directly. This helps prevent unnecessary background data updates that can slow performance or create unintended changes.

- Clean related fields of mrp_workorder

odoo/odoo#64357
odoo/upgrade#2074

task-2424248

This fixes how the Documents Spreadsheet test files are grouped so they are included in the intended test bundle. It helps keep automated testing organized and reliable, with no expected impact on regular users.

The test files where included in the `web.qunit_suite` assets.
They should be in `web.qunit_suite_test
`

This update removes outdated activity customizations in the Approvals app that are no longer needed. It helps keep the approval workflow aligned with the current system behavior and reduces the chance of confusing or inconsistent activity displays.

task-2429670

This update fixes an internal automated test so it matches the current system behavior after date formatting began loading language settings. It helps keep payroll and leave-related quality checks reliable without changing day-to-day user workflows.

…idays

https://github.com/odoo-dev/odoo/commit/2e54c3f225369486bf25047211a353b4dbf435bf
From this commit, format_datetime method called and it fetch the language. Due
to that query count of the test case is increases. So in this commit we increase
the query count for system.

LINKS
PR: #15694 
Task-Id:2339411