What happens to custom developments after an Odoo version upgrade

Question

So the idea is that you send in a database to Odoo, and then you will get one back that is adapted to a newer Odoo version.

Now I wonder what happens with all custom developments. What happens to tables and fields that were added through custom developments? Does that data still exist in the database we will get back?

Yenthe Van Ginneken (Mainframe Monkey) · Accepted Answer

Hi Christoph,
Odoo will migrate/rework all default Odoo data tables according to the new version. They do not touch the fields and tables of custom development so you get them back 'as-is' basically.
This means that you will need to migrate your custom code and that if you need field or table changes on your custom development that you are responsible for doing so.
In general Odoo does not touch custom code nor models/fields.
With kind regards,
Yenthe

Ray Carnes (ray) · Answer

The Upgrade Service is limited to the technical conversion and adaptation of the database to make it compatible with the Target Version, the correction of any Bug directly caused by the upgrade operation and not normally occurring in the Target Version, and the conversion of the source code and data of Covered Extra Modules for the Target Version.

Extra Module - An extra module is a directory of source code files, or a set of Python-based customizations created in a database (e.g. with Odoo Stu

관련 게시물	답글	화면
Version 16 > Version 18 odoo upgrade	0 4월 25	1166
Upgrade 17 to 18 on prem 해결 완료 upgrade	2 1월 25	2427
update/upgrade a specific odoo 16 module via command line modules custom update upgrade odoo16	4 8월 24	4363
Self hosting Odoo custom 해결 완료 custom	1 8월 24	1983
Upgrade Odoo v16 to v17 on windows 해결 완료 upgrade	2 1월 25	2873

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