From what I have read, GvR and other core Python people are in favor of removing the GIL, but the solution to removing the GIL has to not hurt performance CPyth

From what I have read, GvR and other core Python people are in favor of removing the GIL, but the solution to removing the GIL has to not hurt performance CPython and must not cause any regressions. Some have worked on replacing GIL, but have not finished the work.