[IMP] upgrade: update and improve the upgrade processes and information

task ID: 2684744

closes odoo/documentation#1749

X-original-commit: 825e0ede21
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>
This commit is contained in:
Donatienne Pirlot
2022-02-01 13:21:44 +00:00
parent c8a1814007
commit cb825e247d
22 changed files with 462 additions and 345 deletions
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