Automatically releases cached memory after detecting idle CPU usage. Set to gradual for slow release, and dropcache for instant release of cached memory. When this is set to gradual, after being idle for 5 minutes, WSL will slowly start to release cached memory in Linux and make it available as free memory back to the Windows host. This means that your WSL VM will automatically shrink in memory si
![Windows Subsystem for Linux September 2023 update](https://cdn-ak-scissors.b.st-hatena.com/image/square/88a1e97619beb213abd35cb9e1c6618ff987bb89/height=288;version=1;width=512/https%3A%2F%2Fdevblogs.microsoft.com%2Fcommandline%2Fwp-content%2Fuploads%2Fsites%2F33%2F2023%2F09%2Fblogthumbnail.png)