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2014 – 2026 · 13 major releases

Every Odoo version. One expert team.

From OpenERP 7.0 to Odoo 20.0, NexGen has engineered, customized, and upgraded databases across the full platform history — with zero data loss.

OpenERP 7
Odoo 20
v7v8v9v10v11v12 v13v14v15v16v17v18v19 v20

We upgrade any release on this path — including heavily customized databases.

Zero data loss

Trial migrations, financial reconciliation, and validated cutovers protect every ledger and stock move.

Custom code ported

Legacy Python and JS modules are refactored to modern ORM and OWL standards — upgrade-safe.

Modern performance

Move to faster PostgreSQL, cleaner UI, stronger security, and native AI-ready Odoo 20 features.

Version journey

How Odoo evolved — and how we followed

A clear view of each era so you know exactly what an upgrade involves for your release.

2014 – 2015 Legacy

OpenERP 7.0 & Odoo 8.0

Old API (`openerp.osv`), WMS v1, and Python 2.7. We migrate complete history from these releases straight to Odoo 20.

  • Full database history retained
  • Python 2 → 3 refactoring
2016 – 2017 ORM shift

Odoo 9.0 & Odoo 10.0

New ORM API, unified accounting, and the Community / Enterprise split. Careful schema mapping is essential here.

  • Accounting engine migration
  • API decorator modernization
2018 – 2019 Python 3

Odoo 11.0 & Odoo 12.0

Full Python 3 transition, Odoo Studio, multi-website, and richer manufacturing routes for growing operations.

  • Studio customizations reviewed
  • Multi-website & MRP updates
2020 – 2021 Cloud apps

Odoo 13.0 & Odoo 14.0

Field Service, OCR invoice capture, spreadsheet BI, and major inventory performance improvements.

  • Field Service data continuity
  • Inventory speed gains
2022 – 2023 OWL era

Odoo 15.0 & Odoo 16.0

OWL frontend revolution, modern UI patterns, promotions engine upgrades, and stronger MRP work-center controls.

  • OWL component migration
  • Frontend modernization
Why upgrade

Still on an older release?

Older Odoo versions miss security patches, UX improvements, and performance gains. We help you move to Odoo 20 with a clear plan and minimal downtime.

Get a free upgrade assessment
Stronger security Stay on supported releases with current patches.
Faster operations Quicker queries, smoother UI, better mobile use.
Modern apps AI helpers, WhatsApp, and improved accounting tools.
Easier adoption Cleaner screens your teams actually want to use.
Ready when you are

Plan your path to Odoo 20.0

Tell us your current version — OpenERP 7 or Odoo 20 — and we’ll outline timeline, risks, and a fixed-scope upgrade plan.