Resolving CefSharp UI Issues After Updating to Version 108.4.130 in Windows Applications

Описание: Encountering UI problems in your Windows application after updating `CefSharp`? Learn how a simple downgrade from version 108.4.130 to 107.1.120 can restore your application's design integrity.
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Resolving CefSharp UI Issues After Updating to Version 108.4.130 in Windows Applications

When we develop applications using the CefSharp library, which embeds a Chrome browser for rendering web content, we often rely on updates to improve functionality and fix bugs. However, sometimes these updates can lead to unexpected problems. Recently, developers faced UI issues in their Windows application after upgrading CefSharp from version 75.1.14 to 108.4.130. The application experienced drastic changes in font size and overall layout, specifically not on the Chrome page, but within the local application UI itself. Let’s explore the details of this issue and how it was resolved.

The Problem: UI Changes After Update

After upgrading to CefSharp version 108.4.130 for the integration with Angular 14, users reported significant UI problems:

The font size in the application interface became too small.

Overall dimensions of UI elements were shrunk, making the application visually unappealing and hard to navigate.

Steps Taken for the Update

To implement the upgrade, developers made the following adjustments:

Updated all CefSharp dependent libraries to version 108.4.130.

Applied necessary configuration changes for the new version, such as:

Enabling legacy binding.

Registering a custom JavaScript object repository for handling events.

Despite the successful rendering of the Chrome browser content, the UI design of the application suffered significantly.

The Solution: Downgrade CefSharp Version

After troubleshooting, the issue was traced back not to DPI awareness settings, but specifically to the newly installed CefSharp version 108.4.130. The immediate resolution was straightforward: a downgrade to version 107.1.120. Here’s how the solution played out:

Reverting the Version: The developer downgraded CefSharp back to version 107.1.120.

Testing the Application: Once the downgrade was complete, the application’s UI issues were resolved, restoring the intended design and functionality.

Why the Downgrade Worked

The downgrade fixed the UI issues likely because version 108.4.130 introduced changes that affected how Windows forms interacted with the embedded browser. By reverting to an earlier version, the application utilized a version that aligned better with its previous dependencies and design elements.

Conclusion

While upgrades are essential for keeping applications up to date and secure, they can also introduce challenges, as seen with the CefSharp version update. If your application experiences UI disruptions after an upgrade, consider reverting to a stable previous version to regain functionality while you investigate further fixes or patches in future updates. Always test changes in a controlled environment to avoid significant disruptions in your production applications.

For developers facing similar issues, carefully note the specific version changes and test thoroughly. Sometimes, a simple downgrade can save you time and restore your application’s integrity.

If you experience UI issues after a CefSharp update, don't hesitate to explore this troubleshooting approach. Happy coding!