The spreadsheet document feature was reorganized so its interface components and templates are split into clearer parts. This makes the feature easier to maintain and extend in future updates, with little direct impact on day-to-day users.

Odoo task 2813881

Spreadsheet template data is now prepared on the server instead of in the browser. This keeps the business-facing spreadsheet code simpler and reduces unnecessary technical handling in the user interface without changing how users work with templates.