Everything new in iPadOS & iOS 13.4 | AppleInsider
Download iOS 13.4, iPadOS 13.4 for iPhone and iPad [OTA Links]
iPads are getting trackpad support with iPadOS 13.4
APPLE 2020 iPAD PRO USER GUIDE: The Complete Illustrated, Practical Guide to Maximizing Your New 2020 iPad Pro & iPadOS 13.4: Smith, Daniel: 9798630849700: Books - Amazon.ca
Apple iPad Pro 10.5 owners complain of constant reboots after updating to iPad OS 13.4 and above; squeezing near the battery could be a temporary workaround - NotebookCheck.net News