OS 26 and iPadOS 26 will include a preinstalled Preview app from Apple, according to Bloomberg's Mark Gurman. In a lengthy report

Apple is scheduled to tell us all about its grand plans for iOS 19 – which may be rebranded as iOS 26 – next week, and a new rumor suggests that this year's software update is going to leave some iPhone models behind.

Apple's Preview app started in NeXTSTEP in the very late eighties. It had its origins in Quartz in Mac OS X in the very early days of macOS, but I'm afraid that my recollections of which Mac OS version made it fully available is lost in the depths of my mind.