Apple today released iOS 26.3.1 and iPadOS 26.3.1, minor updates to its latest mobile operating systems. The software arrives three weeks after iOS 26.3 and iPadOS 26.3, continuing Apple's regular update cadence. Users can download the update over-the-air through Settings > General > Software Update on eligible devices.

According to Apple's release notes, the update adds support for the new Studio Display and Studio Display XDR, expanding compatibility with Apple's professional display lineup. The update also includes unspecified bug fixes, addressing stability and performance issues that may have affected users since the previous release.

Apple is simultaneously beta testing iOS 26.4 and iPadOS 26.4, which promise to be major updates arriving this spring. These upcoming versions will likely introduce new features and improvements beyond the incremental changes in the 26.3.1 release. The quick succession of updates demonstrates Apple's commitment to both maintaining existing software stability and developing new capabilities for its mobile ecosystem.