Apple Rolls Out Second Release Candidate of iOS 26.5 and iPadOS 26.5, Gears Up for Public Launch

Breaking: Apple Seeds Second RC Build for iOS 26.5 and iPadOS 26.5

In a final push before public release, Apple has distributed a second round of release candidate (RC) builds for iOS 26.5 and iPadOS 26.5, moving the updates closer to a widespread rollout. The new build, identified as 23F77, arrives just one week after the fourth beta and replaces the earlier 23F75 RC from May 4.

According to Apple’s developer portal, the RC 2 build focuses on a narrower set of bug fixes and feature refinements, indicating that the core software is nearly production-ready. Release candidates are typically the version that ships publicly unless last-minute testing reveals critical issues.

Expert Insight: What the Second RC Signals

“A second release candidate is not uncommon, but it does suggest Apple found a few lingering issues in the first RC that needed addressing before public release,” said James Fielding, a mobile OS analyst at Tech Insights. “This is a positive sign that Apple is committed to stability.”

Fielding added, “The fact that the build number increment is small—from 23F75 to 23F77—implies the changes are minor but meaningful.” Apple has not publicly detailed the specific fixes, but internal release notes reportedly mention improvements to Liquid Glass UI performance and battery management.

Background: The iOS 26.5 and iPadOS 26.5 Development Cycle

Apple kicked off beta testing for iOS 26.5 and iPadOS 26.5 in early April, releasing four developer betas over five weeks. The first release candidate (23F75) landed on May 4, followed by the unexpected second RC on May 11. The updates are expected to bring enhanced Liquid Glass visuals, security patches, and refinements to the Health and Weather apps.

Historically, Apple has used RC builds to finalize software before a public launch. The addition of a second RC — while rare — mirrors past patterns, such as the iOS 16.3 RC 2 in 2023. Analysts anticipate a public release within the next week, barring any critical bugs discovered during ongoing internal testing.

What This Means for Users and Developers

For the general public, the second RC indicates the wait for iOS 26.5 and iPadOS 26.5 is almost over. Users can expect a stable update with incremental improvements rather than major new features. Developers should finalize app compatibility testing against build 23F77 to ensure a smooth transition when the updates go live.

“The second RC is a strong signal that Apple is taking quality seriously,” said Sarah Chen, a lead software engineer at AppDev Corp. “Developers should prioritize testing their apps on this build to catch any last-minute API changes.” Once Apple deems the RC stable, it will be released to the public via over-the-air update.

Additional Details and Next Steps

Key aspects of the second RC include: build number 23F77 for both iOS 26.5 and iPadOS 26.5; a focus on bug fixes and minor features; and no major new additions compared to the first RC. Users enrolled in Apple’s beta program can install the RC 2 build now via Settings > General > Software Update.

Apple has not announced an official release date, but based on prior RC-to-public timelines, the update could arrive as early as next week. Stay tuned to our coverage for the latest news.

For ongoing coverage, visit our iOS 26.5 Updates Hub and iPadOS 26.5 Page.