iOS 13.2.3 includes bug fixes and improvements for your iPhone.
● Fixes an issue where system search and search within Mail, Files, and Notes might not work
● Addresses an issue where photos, links, and other attachments might not display in the Messages details view
● Fixes an issue that could prevent apps from downloading content in the background
● Resolves issues that may prevent Mail from fetching new messages, and fail to include and quote original message content in Exchange accounts