Panasonic posted three pieces of video with Panasonic General Manager Tsutomu Mori. He explains the tech behind the GH5.
Advanced DFD AF | LUMIX GH5 | Technical Director Interview:
https://www.youtube.com/watch?v=i7-ztiDOlUk
Image Stabilizer 5-axis Dual I.S.2 | LUMIX GH5 | Technical Director Interview:
https://www.youtube.com/watch?v=B_fjscdhJ0M
Miniaturization and heat dissipation | LUMIX GH5 | Technical Director Interview:
https://www.youtube.com/watch?v=hJ25lFP6APY