Unknown CSI errors in st-flexipatch when opening and closing neovim

[JimPix1]

I had this problem before and applying a newer CSI patch fixed it, however these errors seem to have returned whenever I do st -e nvim

erresc: unknown csi ESC[>4;2m
erresc: unknown csi ESC[>4;0m

Opening nvim in st normally is fine, it's when I do st -e nvim that gives trouble, even doing something like st -e sleep 2; nvim doesn't output an error, so it's something specific. It may be to do with neovim 7.0 having been released?

[bakkeby]

Quite possibly nvim is using some new escape codes. You can always just comment out the two lines that write those warnings if you find them annoying.

Do you use the sixel patch by any chance?

[JimPix1]

No, I don't. How would I comment out those two lines?

[JimPix1]

Found the two lines and commented them out, thanks bakkeby!