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What are risks of staying on Odoo Old versions (Version 16)?​


Ashraf Shoukry

CEO & Digital Transformation Consultant

📌What are risks of staying on Odoo Old versions (Version 16)?


Staying on **Odoo Version 16** (especially if you don’t upgrade when support ends) can create technical, security, and business risks. Since you run an Odoo-focused channel, this is also important from a credibility perspective.


Here are the key risks:

1️⃣ Security Vulnerabilities


* Older versions stop receiving **security patches** after official support ends.

* New exploits discovered later won’t be fixed.

* Higher risk of:


* Data breaches

* Ransomware

* Unauthorized access

* This is especially critical if you're hosting publicly.


2️⃣ No Official Support


If you're on Community:


* No official Odoo support anyway.


If you're on Enterprise:

* Once version 16 reaches end-of-life, you lose:


* Bug fixes

* Compatibility updates

* Legal/accounting updates


This becomes risky for companies in regulated environments.


3️⃣ Compatibility Problems


Over time:


* Payment gateways stop supporting older APIs.

* Browsers change.

* OS updates break dependencies.

* Third-party modules stop supporting v16.


Examples:


* Payment providers updating SDKs.

* Shipping APIs changing.

* New tax rules not implemented.


4️⃣ Missing New Features


Newer Odoo versions bring:


* Performance improvements

* UI upgrades

* Automation tools

* AI features (in recent versions)

* Accounting improvements


Staying on 16 means:


* Lower productivity

* Manual work where automation exists

* Competitive disadvantage



5️⃣ Higher Long-Term Upgrade Cost


The longer you wait:


* The harder the migration becomes.

* Custom modules need bigger refactoring.

* Data migration becomes more complex.


Upgrading from 16 → 17 is manageable.

Upgrading from 16 → 19 later? Much harder.


6️⃣ Performance Limitations


New versions optimize:


* ORM

* Reporting

* Caching

* Web client speed


Older versions:


* Slower under load

* Less scalable for growing companies



7️⃣ Integration Risk


Modern tools expect:


* Updated APIs

* OAuth standards

* Webhooks


Older Odoo versions may:


* Break integrations

* Require custom patches

* Increase maintenance cost


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🚨 When Is It OK to Stay on v16?


It might be reasonable if:


* The system is stable

* No public exposure

* Minimal integrations

* Limited budget

* Migration planned in 12–18 months


But staying indefinitely is not recommended.