The only weird stuff I see on the logs is more a warning per say, like these two lines which appear quite frequently:
LogD3D12RHI: Display: Root signature created where the root parameters take up 15 DWORDS. Using more than 12 DWORDs can negatively impact performance depending on the hardware and root parameter usage.
…
LogD3D12RHI: Display: Root signature created where the root parameters take up 18 DWORDS. Using more than 12 DWORDs can negatively impact performance depending on the hardware and root parameter usage.
I have no idea what they mean, but might be related.
Also, maybe the best way to disable the Intel Integrated Graphics card is by BIOS setup.
I have seen an increased amount of bug reports from laptop users, lets just hope Epic can take a look on whats going on.