Apple macOS 26.4 Beta 3 Released

🔑 Enhanced Key Takeaways

• •macOS 26.4 beta 3 was released on March 3, 2026 (not March 4 as stated in the article summary), one day after other Apple OS betas, likely due to internal testing protocols around upcoming M5/M Max MacBook announcements[2][5]
• •The Charge Limit feature allows Mac users to set maximum battery charge between 80-100%, addressing battery longevity concerns for users with stationary workflows[2][3]
• •Apple is actively warning developers about Rosetta translation layer discontinuation after macOS 27 (expected late 2027), forcing a migration timeline for Intel-based app support[2][3]

🛠️ Technical Deep Dive

• •Build number: 25E5223i (supersedes 25E5218f from beta 2)[2][5]
• •Charge Limit feature: Configurable battery cap from 80-100% to extend lithium battery lifespan[2][3]
• •Rosetta deprecation warning: System-level pop-up notification for apps still using Apple Silicon-to-Intel translation layer[2]
• •Corner radius bug fix: Ongoing issue where resize pointer does not follow window corner shape; initially marked as fixed in 26.3 but reverted to 'known issue' status[2]
• •Safari compact tab layout restoration: Reintroduction of previously removed UI option for tab organization[2][3]

🔮 Future ImplicationsAI analysis grounded in cited sources

⏳ Timeline