Ext JS Upgrade Adviser
A free tool built for Ext JS customers to expedite the upgrade process.
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Scan your Ext JS app code to identify upgrade blockers
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Detects removed, private, and deprecated methods
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Flags changed configs and properties that need updates
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Uses a custom ESLint plugin tailored for Ext JS
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Works via command line or integrates directly into your IDE
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IDE integration supports auto-fix suggestions and upgrade recommendations
Complete the form and provide a valid email address to begin downloading
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Globally trusted, providing an unmatched experience for developers and users.

Ext JS Upgrade Adviser Benefits
- Save time and resources by knowing exactly what changes are needed
- Accurately estimate the scope and effort of your upgrade
- Upgrade to the latest Ext JS version faster
- Supports automatic updates for classes, configs, properties, and methods
- Take advantage of advanced linting features with our Ext JS plugin (available separately)

Who should use this tool?
- Any current Ext JS customer on version 4.x or newer
- Teams using Modern or Classic Toolkits (see documentation forversion support)
- Projects built with ECMAScript 6
- Developers who want to build ideal UIs using best practices andperformance optimization



