Christopher Wells

@hitchcockwill I don't know where I saw it. It's mentioned here: - https://github.com/react-dnd/react-dnd/issues/3418#issuecomment-1089261754 And there appear to be references to react v8 in the yarn.lock

I found the source code which implements this restriction (it's easy to find), and posted on StackOverflow to ask why this restriction was introduced into the code -- [Why does...

I guess it's a bug in the definition of the `children` property of `ISashContentProps` Instead of declaring it as type `JSX.Element[]` it should also support other types e.g. a single...

FYI I too get the error in the OP if I try to compile this code using TypeScript. The code in question is in (and copied from) the themes demo...

I worked-around this problem by using the normal typescript instead of trying to use a theme, and instead adding some CSS to get something looking like the "line" style. ```tsx...