Most likely, it didn't happen (yet) due to kernel related stuff being still actively worked on¹ and (more importantly) due to a shortage of developers willing a

Most likely, it didn't happen (yet) due to kernel related stuff being still actively worked on¹ and (more importantly) due to a shortage of developers willing and capable to tackle that kind of challenge. ¹ At the time of this writing, there are open PRs like this one: https://github.com/reactos/reactos/pull/8422 https://github.com/reactos/reactos/pull/8422