WhatsApp has launched a new feature called Strict Account Settings, which allows users to enhance their privacy with a single toggle. This mode restricts various functionalities, making users less visible and enabling stronger security measures. Additionally, Meta has replaced an old media-handling library with a new one built in Rust for better security.

The author details their personal project of creating a custom location history tracker to replace Google Maps due to privacy concerns. They describe the architecture, including a Rust backend with PostgreSQL and PostGIS for geolocation data, and an iOS app that efficiently collects significant location updates with minimal battery impact. The project also features live location sharing through unique links and a visually appealing map display.