The latest firmware for the Sony a7 III is version 1.01 that was released on April 18, 2018.
Firmware Version 1.01
Version 1.01 provides the following benefits:
- Resolves an issue where blinking pixels may appear at bottom edge of the camera setting and with certain lenses, especially during XAVC S 4K (PAL 25p) recording
- Resolves a rare issue where the touch panel cannot be operated
- Improves overall stability of the camera