There should be a re-direct there: https://github.com/matplotlib/matplotlib/blob/478dc5aa62d90f9abeab62b94aefc1a1bfde3413/doc/devel/contribute.rst?plain=1#L1-L3 We should merge this to avoid the redirect in our links, but we should also sort out why the redirect is not working. _Originally posted by @tacaswell in https://github.com/matplotlib/matplotlib/issues/27910#issuecomment-1992091204_