To add they want to rewrite Windows in Rust with AI, which I can only assume they hope will keep the software quality up but I doubt it
https://www.windowslatest.com/2025/12/24/microsoft-denies-re...
> “It appears my post generated far more attention than I intended… with a lot of speculative reading between the lines.. Just to clarify… Windows is NOT being rewritten in Rust with AI.
> My team’s project is a research project. [...]
I did a quick search and estimates are in the 50-60 million lines range.
No way in hell are they going to rewrite all that in a few years. Even if they actually wanted to, which they don't because it would be a truly enormous expense (even for Microsoft).
Not to even mention that huge software projects have a well deserved reputation for failing, and the scope of such a rewrite would probably dwarf any previous rewrite of anything, ever, and by a very large margin.
"Rewrite all of Windows in Rust" simply does not even begin to pass the sniff test.
… Our strategy is to combine AI *and* Algorithms to rewrite Microsoft’s largest codebases. Our North Star is “1 engineer, 1 month, 1 million lines of code,” Galen Hunt, who is a top-level Distinguished Engineer at Microsoft, wrote in a now-edited LinkedIn post.…