diff --git a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
index 165c83148e6a..19f852a6e374 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
+++ b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
@@ -1020,6 +1020,40 @@ Superuser created successfully.
linuxPackages_latest) remain untouched.
+
+
+ In NixOS virtual machines (QEMU), the
+ virtualisation module has been updated with
+ new options to configure:
+
+
+
+
+ IPv4 port forwarding
+ (virtualisation.forwardPorts),
+
+
+
+
+ shared host directories
+ (virtualisation.sharedDirectories),
+
+
+
+
+ screen resolution
+ (virtualisation.resolution).
+
+
+
+
+ In addition, the default
+ msize
+ parameter in 9P filesystems (including /nix/store and all
+ shared directories) has been increased to 16K for improved
+ performance.
+
+
The setting
diff --git a/nixos/doc/manual/release-notes/rl-2111.section.md b/nixos/doc/manual/release-notes/rl-2111.section.md
index 8e7bdbb87440..5661d8cab31e 100644
--- a/nixos/doc/manual/release-notes/rl-2111.section.md
+++ b/nixos/doc/manual/release-notes/rl-2111.section.md
@@ -310,9 +310,17 @@ To be able to access the web UI this port needs to be opened in the firewall.
## Other Notable Changes {#sec-release-21.11-notable-changes}
+
- The linux kernel package infrastructure was moved out of `all-packages.nix`, and restructured. Linux related functions and attributes now live under the `pkgs.linuxKernel` attribute set.
In particular the versioned `linuxPackages_*` package sets (such as `linuxPackages_5_4`) and kernels from `pkgs` were moved there and now live under `pkgs.linuxKernel.packages.*`. The unversioned ones (such as `linuxPackages_latest`) remain untouched.
+- In NixOS virtual machines (QEMU), the `virtualisation` module has been updated with new options to configure:
+ - IPv4 port forwarding ([`virtualisation.forwardPorts`](options.html#opt-virtualisation.forwardPorts)),
+ - shared host directories ([`virtualisation.sharedDirectories`](options.html#opt-virtualisation.sharedDirectories)),
+ - screen resolution ([`virtualisation.resolution`](options.html#opt-virtualisation.resolution)).
+
+ In addition, the default [`msize`](options.html#opt-virtualisation.msize) parameter in 9P filesystems (including /nix/store and all shared directories) has been increased to 16K for improved performance.
+
- The setting [`services.openssh.logLevel`](options.html#opt-services.openssh.logLevel) `"VERBOSE"` `"INFO"`. This brings NixOS in line with upstream and other Linux distributions, and reduces log spam on servers due to bruteforcing botnets.
However, if [`services.fail2ban.enable`](options.html#opt-services.fail2ban.enable) is `true`, the `fail2ban` will override the verbosity to `"VERBOSE"`, so that `fail2ban` can observe the failed login attempts from the SSH logs.