A privacy issue was addressed by not logging contents of text fields. This issue is fixed in iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4. An app may be able to view Mail data.
https://support.apple.com/kb/HT214084
https://support.apple.com/kb/HT214081
https://support.apple.com/en-us/HT214084
https://support.apple.com/en-us/HT214081
https://support.apple.com/en-us/120895