Hi!

We’re happy to announce Opera 124 Beta release!
This update includes a Chromium upgrade to version 140.0.7339.208.

Highlights:

• Stability & performance improvements across tabs, sidebar, split-screen, and history features.
• UI refinements, including updates to Tab Islands and translation menus.
• Sync and integration fixes.

Security Updates:

This build includes backported security patches, including:

• CVE-2025-12433 — Fix for an inappropriate implementation in V8.
• A V8 JSON.parse memory access fix (Chromium bug 452296415).

We recommend updating to ensure you have the latest security and feature enhancements.

Check out the full changelog for more details.

Happy browsing!

Installation links:

• Opera beta for Windows (By using the Opera beta for Windows installer, you accept the Opera for Computers EULA)
• Opera beta for macOS
• Opera beta for Linux – deb packages
• Opera beta for Linux – RPM packages
• Opera beta for Linux – snap package

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