I prefer Pecan's method "I can change it to a small right pointing arrow that fits inside any other marker".
Commit HEAD 13521:
Clangd_client warning margin marker changed to a small right pointing arrow.
Hi, thanks.
I just tried this latest revision.
There is still one issue, clangd error and breakpoint happens in the same line. Still they have the same size. One is circle, and the other is a square.
I can't reproduce a clangd warning easily.
see below image shot: