Apple has released the first macOS Tahoe 26.5 beta to developers for testing, just six days after launching macOS Tahoe 26.4. Developers can access the update through the System Settings app by navigating to General and selecting Software Update. Beta Updates must be enabled, and a free developer account is required to download the software.

This incremental update could introduce new Apple Intelligence Siri features, though recent rumors suggest those capabilities may be delayed until iOS 27. The timing suggests Apple is refining existing features rather than overhauling the operating system. The rapid release cadence indicates Apple's aggressive development schedule for its annual software updates.

While the beta is currently limited to developers, a public beta is expected within the next one to two weeks. This follows Apple's typical pattern of making developer betas available first, then opening them to public testers. The quick succession from 26.4 to 26.5 suggests Apple is focused on polishing the current macOS version rather than introducing major architectural changes.