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@benhillis benhillis released this 25 Jul 22:21
· 1135 commits to live since this release
18947
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Build 18947

For general Windows information on build 18947 visit the Windows blog.

WSL

  • [WSL2] Allow listening tcp sockets in WSL2 to be accessible from the host by using localhost:port
  • [WSL2] Fixes for install / conversion failures and additional diagnostics to track down future issues [GH 4105]
  • [WSL2] Improve diagnosability of WSL2 network issues
  • [WSL2] Update kernel version to 4.19.55
  • [WSL2] Update kernel with config options required for docker [GH 4165]
  • [WSL2] Increase the number of CPUs assigned to the lightweight utility VM to be the same as the host (was previously capped at 8 by CONFIG_NR_CPUS in the kernel config) [GH 4137]
  • [WSL2] Create a swap file for the WSL2 lightweight VM
  • [WSL2] Allow user mounts to be visible via \\wsl$\distro (for example sshfs) [GH 4172]
  • [WSL2] Improve 9p filesystem performance
  • [WSL2] Ensure vhd ACL does not grow unbounded [GH 4126]
  • [WSL2] Update kernel config to support squashfs and xt_conntrack [GH 4107, 4123]
  • [WSL2] Fix for interop.enabled /etc/wsl.conf option [GH 4140]
  • [WSL2] Return ENOTSUP if the file system does not support EAs
  • [WSL2] Fix CopyFile hang with \\wsl$
  • Switch default umask to 0022 and add filesystem.umask setting to /etc/wsl.conf
  • Fix wslpath to properly resolve symlinks, this was regressed in 19h1 [GH 4078]
  • Introduce %UserProfile%.wslconfig file for tweaking WSL2 settings
[wsl2]
kernel=<path>              # An absolute Windows path to a custom Linux kernel.
memory=<size>              # How much memory to assign to the WSL2 VM.
processors=<number>        # How many processors to assign to the WSL2 VM.
swap=<size>                # How much swap space to add to the WSL2 VM. 0 for no swap file.
swapFile=<path>            # An absolute Windows path to the swap vhd.
localhostForwarding=<bool> # Boolean specifying if ports bound to wildcard or localhost in the WSL2 VM should be connectable from the host via localhost:port (default true).

# <path> entries must be absolute Windows paths with escaped backslashes, for example C:\\Users\\Ben\\kernel
# <size> entries must be size followed by unit, for example 8GB or 512MB
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