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Apple employees have 'concerns' over Siri performance in early iOS 26.4 builds: report

Apple engineers report ongoing performance issues in the AI-powered Siri for iOS 26.4, which has been delayed over a year and is expected to launch in early 2026.

  • On Sunday, testers and Apple employees raised `concerns` about Siri's performance in early iOS 26.4 builds, the OS version set to include the all-new assistant.
  • Delaying the launch, Apple said the all-new Siri did not meet quality standards, prompting software chief Craig Federighi to rearchitect it for a 2026 release.
  • Two Apple teams are taking different technical routes for Siri, testing on-device models and Google Gemini on Private Cloud Compute, with planned upgrades including personal context, on-screen awareness, and a Model Context Protocol.
  • Bloomberg's Mark Gurman warned more senior AI members may leave soon as Apple seeks a replacement for John Giannandrea and faces shareholder lawsuits linked to Siri delays.
  • With around 6 months until public release, iOS 26.4 remains the slated vehicle for the new Siri as Apple continues refining its AI efforts despite recruitment and competition challenges.
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Apple prepares the launch of iOS 26.4 with a reformed Siri, but engineers alert for challenges in the performance of the virtual assistant. IOS 26.4 is expected to be launched in the spring of 2026,...

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The hoped-for overhaul of Apple's digital assistant, Siri, seems to be a long way off. As Mark Gurman reports in his "Power On" newsletter for Bloomberg, beta testers of the upcoming iOS 26.4 version are anything but enthusiastic about Siri... Read the article: Report: Apple continues to struggle with Siri issues. You can support us with every purchase you make through Amazon. Your price remains the same, and we receive a small commission. Simpl…

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MacRumors broke the news in United States on Sunday, October 19, 2025.
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