Hello!

New update to Opera Developer is here – version: 125.0.5720.0.

What’s new?

Major stability fixes:

• Resolved numerous crashes related to split screen, tab cycling, new tab creation, DevTools, and startup sessions.

Platform improvements:

• Linux: Fixed crashes when typing in the address bar.
• macOS: Fixed crash when closing a window with active split screen.

UI & design clean-ups:

• Ad blocker popup now matches Opera’s style.
• Dark mode history menu icons are clearer.
• Proper separators restored in Sync Setup.
• Undocked DevTools now stays where you put it.

Shortcut & settings fixes:

• Keyboard shortcuts page works again.
• Ctrl + Enter now correctly adds “www.” + “.com”.
• System theme selection works during onboarding.

For a full list of changes check out our changelog.

Try it out and share your feedback with us!

Installation links:

• Opera developer for Windows (Using the Opera developer for Windows installer means you have accepted the Opera for Computers EULA)
• Opera developer for Windows (Portable version)
• Opera developer for macOS
• Opera developer for Linux – deb packages
• Opera developer for Linux – RPM packages

---