Apple has released the public beta of macOS Tahoe 26.4, bringing two major changes: a manual Battery Charge Limit feature for MacBooks and initial warnings for Intel-based apps ahead of Rosetta’s retirement. ([tomsguide.com](https://www.tomsguide.com/computing/macos/macos-tahoe-26-4-public-beta-is-here-and-these-are-the-best-new-features-for-your-mac?utm_source=openai))
New Features in 26.4 Beta:
- “Charge Limit” setting now appears in System Settings → Battery, allowing users to cap charging between 80 % and 100 % in 5 % increments to preserve battery health. ([techradar.com](https://www.techradar.com/computing/macbook-battery-draining-too-fast-macos-26-has-a-new-feature-thatll-help-it-last-longer-than-ever?utm_source=openai))
- Charge limit feature can also be tied to Focus modes through Shortcuts for contextual control during travel or work. ([techradar.com](https://www.techradar.com/computing/macbook-battery-draining-too-fast-macos-26-has-a-new-feature-thatll-help-it-last-longer-than-ever?utm_source=openai))
- Warnings introduced when launching Intel-based apps; macOS 27 is confirmed to drop Rosetta, moving support fully to Apple Silicon. ([tomsguide.com](https://www.tomsguide.com/computing/macos/macos-tahoe-26-4-public-beta-is-here-and-these-are-the-best-new-features-for-your-mac?utm_source=openai))
Other Minor Fixes: Safari’s compact tab bar returns as a setting, and UI bugs related to window corner resizing have been addressed. ([tomsguide.com](https://www.tomsguide.com/computing/macos/macos-tahoe-26-4-public-beta-is-here-and-these-are-the-best-new-features-for-your-mac?utm_source=openai))
Users interested in trying the beta should enroll via Apple’s Beta Software Program and ensure full backups are completed, as the beta release may be unstable. ([tomsguide.com](https://www.tomsguide.com/computing/macos/macos-tahoe-26-4-public-beta-is-here-and-these-are-the-best-new-features-for-your-mac?utm_source=openai))