This afternoon Apple released both iPadOS 16 that's free for iPad 5th generation and later and macOS Ventura based on the hardware listed below.  

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Apple's macOS Ventura

Apple's macOS Ventura takes the Mac experience to a whole new level with groundbreaking capabilities that help users achieve more than ever. New features like Continuity Camera enable users to seamlessly work across their Apple devices, and productivity tools including Stage Manager help users stay focused and easily move between tasks. Safari ushers in a passwordless future with passkeys, and big updates come to popular apps including Mail and Messages. macOS Ventura is available today as a free software update on Macs with Apple silicon and Intel-based Macs. Features now available include the following:

• Continuity
• Automatically Organize Workspaces with Stage Manager
• Passkeys and New Collaboration Tools in Safari
• Boost Efficiency with New Mail Improvements
• Powerful Enhancements to Messages
• Effortlessly Share Photos with Family through iCloud Shared Photo Library
• Spotlight Brings Improved Productivity
• Gaming on Mac Reaches New Heights
• Live Text
• New accessibility tools
• The Weather and Clock apps come to Mac
• System Preferences becomes System Settings
• macOS security

for more details, check out Apple's macOS Ventura Webpage here.

Apple's iPadOS 16

Apple's iPadOS 16 takes the versatility of iPad even further, introducing new ways to collaborate via Messages, big updates to Mail, iCloud Shared Photo Library, passkeys and new collaboration features in Safari, the Weather app, pro features including Reference Mode and Display Zoom, and an entirely new multitasking experience with Stage Manager. iPadOS 16 is available today as a free software update. Features now available include the following:

• New Ways to Share and Connect in Messages
• Mail Introduces New Smart Tools
• Relive Memories with the New iCloud Shared Photo Library
• New Security and Collaboration Features Come to Safari
• A Real-Time Collaboration Space Using Freeform
• The Weather App Comes to iPad
• Visual Look Up and Live Text Get Powerful Updates
• Pro Features Take Demanding Workflows Even Further
• Powerful Multitasking with Stage Manager and Full External Display Support
• Dictation
• The Home app
• Desktop-class apps
• Game Center
• Handoff in FaceTime

For more details, check out Apple's iPadOS webpage here.