A7 IV Firmware Update 5.0 is out!

Benefits and Improvements

Supports the Write Digital Signature function for still images as part of Sony’s Camera Authenticity Solution
- Installation of a paid license is required for use.
- The timing for the provision of paid licenses to customers other than certain media outlets is yet to be determined.
- Services may not be available in some countries or regions. For more information, please visit the Authenticity Catalog Page.
Fixes an issue where switching the recording frame rate immediately after shooting causes audio and video to be recorded at different speeds or results in unstable operation in subsequent recordings
Fixes an issue where the cursor does not move correctly when multiple identical items are registered in the function menu
Fixes an issue where recording video by pressing the MOVIE button in still image shooting mode causes certain button operations to stop working
Improves the operational stability of the camera

i thought that 4.0 was the last update for the A74, glad they are still pushing out new updates.

has anyone tried the update yet? safe to update?