diff --git a/modules/social/default.nix b/modules/social/default.nix
index e0d12449..9c53718d 100644
--- a/modules/social/default.nix
+++ b/modules/social/default.nix
@@ -12,7 +12,7 @@ in
   config = mkIf cfg.enable {
     home-manager = with pkgs; pkgs.lib.setAttrByPath [ "users" psCfg.user.name ] {
       home.packages = [
-        signal-desktop
+        ps-signal-desktop
         tdesktop
         element-desktop
         irssi
diff --git a/modules/terminal-life/zsh/p10k.zsh b/modules/terminal-life/zsh/p10k.zsh
index be207b58..90734313 100644
--- a/modules/terminal-life/zsh/p10k.zsh
+++ b/modules/terminal-life/zsh/p10k.zsh
@@ -195,7 +195,16 @@
   typeset -g POWERLEVEL9K_DIR_{HOME,HOME_SUBFOLDER}_BACKGROUND=1
   typeset -g POWERLEVEL9K_DIR_NOT_WRITABLE_BACKGROUND=1
 
-  typeset -g POWERLEVEL9K_DIR_ANCHOR_BOLD=true
+  # If directory is too long, shorten some of its segments to the shortest possible unique
+  # prefix. The shortened directory can be tab-completed to the original.
+  typeset -g POWERLEVEL9K_SHORTEN_STRATEGY=truncate_to_unique
+  # Color of the shortened directory segments.
+  typeset -g POWERLEVEL9K_DIR_SHORTENED_FOREGROUND=0
+  # Color of the anchor directory segments. Anchor segments are never shortened. The first
+  # segment is always an anchor.
+  typeset -g POWERLEVEL9K_DIR_ANCHOR_FOREGROUND=0
+  # Display anchor directory segments in bold.
+  typeset -g POWERLEVEL9K_DIR_ANCHOR_BOLD=false
   # Don't shorten directories that contain any of these files. They are anchors.
   local anchor_files=(
     .bzr
@@ -228,13 +237,13 @@
   # contains a marker (.git) and other directories don't.
   typeset -g POWERLEVEL9K_DIR_TRUNCATE_BEFORE_MARKER=false
   # Don't shorten this many last directory segments. They are anchors.
-  typeset -g POWERLEVEL9K_SHORTEN_DIR_LENGTH=100
+  typeset -g POWERLEVEL9K_SHORTEN_DIR_LENGTH=1
   # Shorten directory if it's longer than this even if there is space for it. The value can
   # be either absolute (e.g., '80') or a percentage of terminal width (e.g, '50%'). If empty,
   # directory will be shortened only when prompt doesn't fit or when other parameters demand it
   # (see POWERLEVEL9K_DIR_MIN_COMMAND_COLUMNS and POWERLEVEL9K_DIR_MIN_COMMAND_COLUMNS_PCT below).
   # If set to `0`, directory will always be shortened to its minimum length.
-  typeset -g POWERLEVEL9K_DIR_MAX_LENGTH=
+  typeset -g POWERLEVEL9K_DIR_MAX_LENGTH=80
   # When `dir` segment is on the last prompt line, try to shorten it enough to leave at least this
   # many columns for typing commands.
   typeset -g POWERLEVEL9K_DIR_MIN_COMMAND_COLUMNS=40
diff --git a/modules/virtualisation/default.nix b/modules/virtualisation/default.nix
index ad3db4e7..edc402c3 100644
--- a/modules/virtualisation/default.nix
+++ b/modules/virtualisation/default.nix
@@ -14,6 +14,7 @@ in
   config = mkIf cfg.enable {
     boot.kernelParams = [
       "amd_iommu=on"
+      "intel_iommu=on"
       "iommu=pt"
     ];
 
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 312e685f..b2403502 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -16,4 +16,7 @@ with final; {
   toggle-kbd-layout = writeShellScriptBin "toggle-kbd-layout" (import ./toggle-kbd-layout.nix final);
   uhk-agent = import ./uhk-agent.nix final;
   wcwd = writeShellScriptBin "wcwd" (import ./wcwd.nix final);
+
+  # ps-fixes
+  ps-signal-desktop = writeShellScriptBin "signal-desktop" (import ./ps-signal-desktop.nix final);
 }
diff --git a/pkgs/ps-signal-desktop.nix b/pkgs/ps-signal-desktop.nix
new file mode 100644
index 00000000..c1d3967a
--- /dev/null
+++ b/pkgs/ps-signal-desktop.nix
@@ -0,0 +1,3 @@
+self: with self; ''
+  exec ${signal-desktop}/bin/signal-desktop --disable-gpu -- "$@"
+''