What we learned building it, written by the people who built it

Prepare for Odoo 20 before the feature list is out: custom module and Studio inventory, data clean-up, a test database, integrations, training and budget.

What Odoo has officially said about Odoo 20 ahead of the Odoo Experience 2026 keynote, what its release pattern suggests, and what is only rumour.

How long Odoo supports each version, how many are supported at once, what the Online-only saas versions are, and what end of support means per hosting type.

How Odoo's upgrade service handles a jump from Odoo 14, 15 or 16 to the latest version, what porting custom code involves, and how many test rounds to plan.

A decision guide for companies on Odoo 16, 17 or 18: when to move to Odoo 19 now, when waiting for Odoo 20 makes sense, and what changes the answer.

Installing Odoo 19 from source, the official Docker image or Debian/Ubuntu packages, plus production settings: workers, proxy mode, websocket, dbfilter.

Choosing where Odoo 19 runs: Odoo Online, Odoo.sh or your own servers. Custom modules, upgrades, control, and which kind of business each suits.

Odoo 19 company setup, branches and multi-company, users and roles, per-app access rights, and the difference between internal and portal users.

What each Odoo 19 AI module actually does: agents, AI fields, AI server actions, Documents, CRM, Live Chat, Knowledge and Website. Limits included.

Configuring Odoo 19 CRM: leads vs opportunities, pipeline stages, predictive lead scoring, lead assignment, activities, lost reasons and reports.

Configuring Odoo 19 Sales: quotation templates, optional sections, online signature and payment, ordered vs delivered invoicing, and down payments.

The Odoo 19 product catalogue: Goods, Service and Combo types, Track Inventory, variants and attributes, the new units of measure, and pricelist rules.