Windows 11 has released a new preview build, improving the performance of extracting files from ZIPs.The update focuses on accelerating the unzipping process, especially for large ZIP archives in File Explorer.This enhancement aims to address long-standing complaints about sluggish unzipping in Windows 11.The performance boost applies only to File Explorer's native unzipping function, not third-party tools like WinRAR.In addition to ZIP improvements, build 27818 fixes interface glitches, remote desktop freezing issues, and game launch bugs.Microsoft has deprecated a minor feature related to suggesting actions for copied phone numbers or dates.Tests indicate up to a 10% speed increase in unzipping large, file-packed ZIPs with the new build.While the enhancement is welcome, it focuses on remedying slow performance rather than achieving super-fast unzipping.File Explorer's overall lackluster performance in Windows 11 is a broader issue that Microsoft needs to address.Given past problems with File Explorer updates, Microsoft faces challenges in improving user perceptions.