Upgrading a large application to a new framework version can be challenging. However, the transition from Ext JS 7.x to Ext JS 8.0 is designed to be smooth and manageable.
Sencha’s approach focuses on continuous improvement rather than disruptive changes.
Seamless Upgrade Philosophy
A major version of Ext JS does not necessarily mean major breaking changes. Instead, it marks an important milestone in the framework’s evolution.
Most applications built with Ext JS 7.x can upgrade to version 8.0 with minimal changes.
Key Steps in the Upgrade Process
Developers typically follow a few steps when upgrading.
Update Framework Dependencies
Install the latest Ext JS framework and update Sencha Cmd.Review Change Logs
Check the official change logs to identify deprecated APIs or configuration updates.Use Upgrade Tools
The Sencha Upgrade Advisor helps developers identify potential issues during migration.Test the Application
Run regression tests to ensure everything works as expected.Benefits of Upgrading
Upgrading to Ext JS 8.0 provides several new capabilities.Modern JavaScript Support
Developers can use modern ECMAScript features directly within Ext JS applications.New UI Components
The new Digital Signature Pad and QR Code Reader/Generator simplify common application features.Improved Grid Performance
Buffered column rendering improves performance for large datasets.Accessibility Improvements
Enhanced ARIA support improves accessibility compliance.
Conclusion
Ext JS 8.0 focuses on improving performance, developer productivity, and modern JavaScript compatibility while minimizing disruption for existing applications. For organizations maintaining large enterprise applications, the upgrade provides new capabilities while preserving long-term stability.
Full Release: https://www.sencha.com/company/press/sencha-announces-ext-js-8-0-to-streamline-enterprise-app-development/
Top comments (0)