Thanks a lot for checking this. I am moving my project to v4.3 and will retest shortly .

thanks Konstantin,

It must have been a corruption of the bootlodader but I can not check this as I have done more work on that unit now.
However, I still have an issue when trying to enable SB2 without encryption Using idf4.2 and my real project.
the first boot worked fine and it booted the app ...

Just a quick update. If I enable Flash encryption, it works. Is it a requirement to enable SB2 & Flash encryption at the same time?

I am having an issue at enabling Secure Boot V2 on my ESP32-D0WD-V3 chip. I am using IDF v4.3 and the hello world project where I just enabled secure boot v2 (but not encryption). I have verified that both the app and the bootloader binaries have been signed. I tried with idf v4.2 as well but with ...