There is a new firmware update here:sony.com/electronics/support/e-mount-body-ilce-7-series/ilce-7m4/software/00288929
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