No new Logitech MX master 4, but upgraded MX master 3 with logi bolt : r/MouseReview
Logitech MX Master 3 Advanced Bluetooth Laser Mouse for Mac with Ultrafast Scrolling Space Gray 910-005693 - Best Buy
Logitech MX Master Wireless Mouse – High-precision Sensor, Speed-adaptive Scroll Wheel, Thumb Scroll Wheel, Easy-Switch up to 3 Devices
Logitech MX Master 3 for Business review: But is it the best mouse for you? | ZDNET
Logitech MX Master Wireless Mouse – Use on Any Surface, Ergonomic Shape, Hyper-Fast Scrolling, Rechargeable, for Apple Mac or Microsoft Windows Computers, Meteorite
MX Master 3S Business Wireless Mouse | Logitech
Logitech MX Master Wireless Mouse – High-precision Sensor, Speed-adaptive Scroll Wheel, Thumb Scroll Wheel, Easy-Switch up to 3 Devices