The update's most noticeable feature separates lossless compressed RAW capture into three size options: small, medium, and large.
Sony A7 IV Firmware Update v2.0 adds support for Creators App
ILCE-7M4 System Software (Firmware) Update Ver. 2.01
Sony A7 IV Firmware Update v2.01 - Alpha Shooters
Drivers and Software updates for ILCE-7M4
New Sony A7IV Firmware ver 2.00 - Creators' Cloud Support
Sony Alpha 7 IV Is A 33MP Full-Frame Treat That Gives Photos And
ILCE-7M4 System Software (Firmware) Update Ver. 2.01
Raúl Cañibano: Absolut Cuba - Exibart Street
Sony Alpha 7 IV Firmware Update Adds Lossless RAW and Better Eye
New Alpha 7 IV Firmware Update Enables Lossless RAW File Options
Sony A7IV Firmware Update Tutorial, Step-by-Step Guide
Sony A7 IV Firmware Update v2.0 adds support for Creators App
Sony Firmware Update Tutorial using A7R IV
New Alpha 7 IV Firmware Update Enables Lossless RAW File Options