> We have added native support for additional archive formats, including tar, 7-zip, rar, gz and many others using the libarchive open-source project. You now can get improved performance of archive functionality during compression on Windows.
It doesn't mention unarchiving/decompressing, maybe I'm being nitpicky, but at a glance, it seems to only be about compression? That'd be horrible though, but more horrible changes that that have gone through lately so I guess you never know...
My worry is that this will just make drive-by malware easier.
(At least quickly thinking about it; I could easily have overlooked some complexity, but barring an unpatched libarchive exploit, I don't think this markedly increases attack surface...and at that point, you could probably make similar arguments about adding any new file format?)
Why is that?
Now the floodgates of the masses have opened to computing, and look at us