Just a week after releasing macOS 26.4 beta 1, Apple is now rolling out beta 2 for developers. Here’s what to expect.
Welcome tweaks and features, but no new Siri
While macOS 26.4 beta 1 didn’t bring the rumored first results of Apple’s partnership with Google for a Gemini-powered Siri, it does look like macOS 26.4 will be more feature-heavy than macOS 26.3, which mostly brought bug fixes and performance improvements.
First, macOS 26.4 beta 1 introduced a Charge Limit setting, which lets users specify a maximum charge level for their devices. This is a popular feature in third-party apps, but now macOS 26.4 will let users select a preferred charge limit between 80% and 100%.
Next, macOS 26.4 beta 1 marked the return of the compact tab bar to Safari, following Apple’s removal of the option on macOS Tahoe 26.
Oddly, Apple’s release notes for macOS 26.4 initially said that it had fixed the corner radius bug where the resize pointer does not follow the window’s corner shape, but Apple later updated the release notes to say that this is still a “known issue,” rather than a fixed bug. Hopefully, beta 2 fixes this issue for real.
Finally, macOS 26.4 will start notifying users about the discontinuation of support for Rosetta 2, which is Apple’s dynamic binary translator that lets Apple Silicon Macs run Intel-based apps. In practice, support will end with macOS 28, but it appears that Apple will start warning users now, in an attempt to nudge developers to adjust their apps.
The release build for today’s macOS 26.4 beta 2 is 25E5218f. We are digging through the code and will report back if we find more new features.
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