Odoo v17, v18, and v19 introduced major frontend changes, OWL-based architecture, updated assets system, new website editor behavior, and stricter JS module handling. Businesses upgrading from older Odoo versions often face broken views, missing widgets, slow pages, or completely non-functional custom themes and modules. Our Odoo Frontend Migration service focuses on safely migrating, refactoring, and modernizing Odoo frontends so your system looks modern, works flawlessly, and remains upgrade-safe.
This service is ideal for companies upgrading from Odoo v12–v16 or maintaining heavily customized frontends.
Common Problems After Odoo Upgrades
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Custom views and widgets breaking after upgrade
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JavaScript errors due to deprecated APIs
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Legacy jQuery-based code incompatible with OWL
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Website pages loading slowly or rendering incorrectly
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Custom themes not compatible with new website editor
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Missing assets or broken bundles
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Poor mobile responsiveness
Our Odoo Frontend Migration Approach
We migrate frontend code with a stability-first, upgrade-safe strategy.
Version-Aware Migration
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v17: OWL migration, asset bundle restructuring, website editor alignment
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v18: Improved OWL components, performance tuning, UI cleanup
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v19: Frontend standardization, long-term upgrade readiness
What We Migrate & Modernize (Detailed)
1. OWL Component Migration
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Refactor legacy JS widgets to OWL components
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Migrate custom views to OWL-compatible patterns
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Fix state management and lifecycle issues
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Remove deprecated JS calls
2. Website & Theme Migration
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Migrate custom themes to new website architecture
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Fix editor compatibility issues
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Rebuild broken snippets and blocks
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Improve mobile responsiveness
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Optimize CSS and JS loading
3. Assets & Performance Optimization
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Restructure asset bundles
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Remove unused assets
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Fix lazy-loading and rendering issues
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Reduce frontend load times
4. Backend-Frontend Integration Fixes
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Update JS ↔ Python RPC calls
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Fix web.rpc / service usage
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Ensure compatibility with new security rules
5. UI/UX Modernization (Optional)
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Clean and modern UI layouts
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Better navigation and usability
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Improved responsiveness for tablets and mobiles
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Consistent branding across backend and website
Key Features
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OWL-based frontend migration
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Compatibility with Odoo v17, v18, and v19
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Website and backend UI fixes
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Performance and asset optimization
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Upgrade-safe frontend architecture
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Minimal downtime during migration
Business Benefits
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Smooth Odoo upgrades without frontend breakage
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Faster and more stable UI
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Modern, user-friendly experience
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Reduced future upgrade costs
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Better adoption by internal users and customers
Why Choose PySquad
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Deep hands-on experience with Odoo frontend internals
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Strong expertise in OWL, JS, XML, and assets system
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Experience migrating heavily customized Odoo systems
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Upgrade-safe and maintainable frontend solutions
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Clear documentation and handover
Call to Action
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Request an Odoo Frontend Migration Audit
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Get a v17/v18/v19 Compatibility Report
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Ask for OWL Migration Strategy
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Book a Technical Consultation