According to the official press text, Sony is facing a shortage flow of resources from suppliers in Asia, having a wide-ranging impact on the manufacturing of goods in this segment.

It’s a very clear indication that some of the expected Sony products could be delayed. The most important ones would be the Sony A7S III and Sony A7 IV full frame mirrorless cameras. The good thing is that Sony could make a moveto compete against Canon’s upcoming EOS Rs/EOS R3 camera.
…
Read full post here:
https://www.dailycameranews.com/2020/03/sony-a7s-iii-sony-a7-iv-sony-a7r-v-and-a9r-rumor-updates/