diff --git a/flake.lock b/flake.lock
index 404e8e53..54ec1823 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "arcexprs": {
       "flake": false,
       "locked": {
-        "lastModified": 1694822850,
-        "narHash": "sha256-GWmZ25E0k4AE+f8VwLQkSEu/Sq1WYwhlslSIpQQvMTU=",
+        "lastModified": 1698348243,
+        "narHash": "sha256-SxjAhKlPel0urPAbY0JBjW1qmxSNdwvBXxvHdAM18YM=",
         "owner": "arcnmx",
         "repo": "nixexprs",
-        "rev": "cea284611c93214b6e1117b89463ccb785b3692d",
+        "rev": "73fac7b2a61463027d6980cc95401b6f3903cbe2",
         "type": "github"
       },
       "original": {
@@ -79,11 +79,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1695114819,
-        "narHash": "sha256-/aIfbZxP39QZ8m7qX2RzQTy5PWzz2e22cCcZ+AOO7lA=",
+        "lastModified": 1698429334,
+        "narHash": "sha256-Gq3+QabboczSu7RMpcy79RSLMSqnySO3wsnHQk4DfbE=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "afeddc412b3a3b0e7c9ef7ea5fbdf2186781d102",
+        "rev": "afe83cbc2e673b1f08d32dd0f70df599678ff1e7",
         "type": "github"
       },
       "original": {
@@ -106,11 +106,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1695052866,
-        "narHash": "sha256-agn7F9Oww4oU6nPiw+YiYI9Xb4vOOE73w8PAoBRP4AA=",
+        "lastModified": 1698921442,
+        "narHash": "sha256-7KmvhQ7FuXlT/wG4zjTssap6maVqeAMBdtel+VjClSM=",
         "owner": "serokell",
         "repo": "deploy-rs",
-        "rev": "e3f41832680801d0ee9e2ed33eb63af398b090e9",
+        "rev": "660180bbbeae7d60dad5a92b30858306945fd427",
         "type": "github"
       },
       "original": {
@@ -138,11 +138,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
         "type": "github"
       },
       "original": {
@@ -194,11 +194,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1695224363,
-        "narHash": "sha256-+hfjJLUMck5G92RVFDZA7LWkR3kOxs5zQ7RPW9t3eM8=",
+        "lastModified": 1699025595,
+        "narHash": "sha256-e+o4PoSu2Z6Ww8y/AVUmMU200rNZoRK+p2opQ7Db8Rg=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "408ba13188ff9ce309fa2bdd2f81287d79773b00",
+        "rev": "8765d4e38aa0be53cdeee26f7386173e6c65618d",
         "type": "github"
       },
       "original": {
@@ -271,11 +271,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1695086253,
-        "narHash": "sha256-xKaB3ZjmsJ4e+/lsUHsdGnjcM+j2ow6SW/nERX/E4r0=",
+        "lastModified": 1699060567,
+        "narHash": "sha256-L+aIEqyK+jm81NZMYWBhRe6EHJFNjdUG53FfN7Zr06g=",
         "owner": "Infinidoge",
         "repo": "nix-minecraft",
-        "rev": "198ed5822fcb6f25c1a3d8bf63f50f65da889220",
+        "rev": "7a899a5b6c9841815389e1a162d3515b18a78624",
         "type": "github"
       },
       "original": {
@@ -335,11 +335,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1694921880,
-        "narHash": "sha256-yU36cs5UdzhTwsM9bUWUz43N//ELzQ1ro69C07pU/8E=",
+        "lastModified": 1698550809,
+        "narHash": "sha256-Um8+Wi6EAH5dCgfgl7OqaVd4wFJn6FKLafcP5QPr/98=",
         "owner": "Mic92",
         "repo": "nix-index-database",
-        "rev": "9d2bcc47110b3b6217dfebd6761ba20bc78aedf2",
+        "rev": "1f0981f5baeb78e3c89a8980ff1a39f06876fa8c",
         "type": "github"
       },
       "original": {
@@ -350,11 +350,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1695109627,
-        "narHash": "sha256-4rpyoVzmunIG6xWA/EonnSSqC69bDBzciFi6SjBze/0=",
+        "lastModified": 1699044561,
+        "narHash": "sha256-3uHmbq74CicpBPP40a6NHp830S7Rvh33uFgfIIC+7nw=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "cb4dc98f776ddb6af165e6f06b2902efe31ca67a",
+        "rev": "87f8403371fa74d9ad21ed677403cc235f37b96c",
         "type": "github"
       },
       "original": {
@@ -379,11 +379,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1694908564,
-        "narHash": "sha256-ducA98AuWWJu5oUElIzN24Q22WlO8bOfixGzBgzYdVc=",
+        "lastModified": 1698544399,
+        "narHash": "sha256-vhRmPyEyoPkrXF2iykBsWHA05MIaOSmMRLMF7Hul6+s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "596611941a74be176b98aeba9328aa9d01b8b322",
+        "rev": "d87c5d8c41c9b3b39592563242f3a448b5cc4bc9",
         "type": "github"
       },
       "original": {
@@ -395,11 +395,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1695145219,
-        "narHash": "sha256-Eoe9IHbvmo5wEDeJXKFOpKUwxYJIOxKUesounVccNYk=",
+        "lastModified": 1698924604,
+        "narHash": "sha256-GCFbkl2tj8fEZBZCw3Tc0AkGo0v+YrQlohhEGJ/X4s0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "5ba549eafcf3e33405e5f66decd1a72356632b96",
+        "rev": "fa804edfb7869c9fb230e174182a8a1a7e512c40",
         "type": "github"
       },
       "original": {
@@ -409,6 +409,29 @@
         "type": "github"
       }
     },
+    "plasma-manager": {
+      "inputs": {
+        "home-manager": [
+          "home-manager"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1690827734,
+        "narHash": "sha256-zcNLTSKGZ5zcx0RQkDKH4dN2MBx+KTfrYN7HfmD0N7c=",
+        "owner": "pjones",
+        "repo": "plasma-manager",
+        "rev": "b6241a2f7c625d0b0bee8e203d78232d0a6535e9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "pjones",
+        "repo": "plasma-manager",
+        "type": "github"
+      }
+    },
     "poetry2nix": {
       "inputs": {
         "flake-utils": "flake-utils",
@@ -487,6 +510,7 @@
         "nix-index-database": "nix-index-database",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_2",
+        "plasma-manager": "plasma-manager",
         "pypi-deps-db": "pypi-deps-db",
         "scalpel": "scalpel",
         "sops-nix": "sops-nix",
@@ -546,11 +570,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1695284550,
-        "narHash": "sha256-z9fz/wz9qo9XePEvdduf+sBNeoI9QG8NJKl5ssA8Xl4=",
+        "lastModified": 1699021419,
+        "narHash": "sha256-oy2j2OHXYcckifASMeZzpmbDLSvobMGt0V/RvoDotF4=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "2f375ed8702b0d8ee2430885059d5e7975e38f78",
+        "rev": "275b28593ef3a1b9d05b6eeda3ddce2f45f5c06f",
         "type": "github"
       },
       "original": {
@@ -697,11 +721,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1694522206,
-        "narHash": "sha256-mb34WlyHi/whE6gIMEtXKfGRALzvB6/U7CYdUnJKN+c=",
+        "lastModified": 1698222534,
+        "narHash": "sha256-iF9C7C7eT8LVVWx5IOZ/8KKJT8AIw9A5aBA6vqS18l8=",
         "owner": "nix-community",
         "repo": "NixOS-WSL",
-        "rev": "e7d93d0f478b6fbb47c00d03449dc3d08b90abb7",
+        "rev": "a058cff4b09b3a398d8caa379b4dc96cfedd98c9",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index e8f59f2e..3374224e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -118,6 +118,15 @@
       url = "github:arcnmx/nixexprs/master";
       flake = false;
     };
+    # plasma manager
+    plasma-manager = {
+      url = "github:pjones/plasma-manager";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        home-manager.follows = "home-manager";
+      };
+    };
+    # work
     artemiscore = {
       url = "git+ssh://git@github.com/Glamorous-ai/metaflow-core-plugin.git?ref=develop";
       inputs = {
diff --git a/kat/gui/mpv.nix b/kat/gui/mpv.nix
index cd614aa9..f4b66510 100644
--- a/kat/gui/mpv.nix
+++ b/kat/gui/mpv.nix
@@ -106,7 +106,7 @@ in {
         term-osd-bar = true;
         script-opts =
           string.concatSep ","
-          (mapToValues (k: v: "${k}=${toString v}") {
+          (set.mapToValues (k: v: "${k}=${toString v}") {
             ytdl_hook-ytdl_path = "${pkgs.yt-dlp}/bin/yt-dlp";
             osc-layout = "slimbox";
             osc-vidscale = "no";
diff --git a/kat/gui/packages.nix b/kat/gui/packages.nix
index 4c0f85f2..643a18c5 100644
--- a/kat/gui/packages.nix
+++ b/kat/gui/packages.nix
@@ -18,10 +18,6 @@
     tdesktop # Telegram
     dino # XMPP
     signal-desktop
-    mumble-develop
-    # IDEs
-    jetbrains.idea-community
-    jetbrains.pycharm-community
     # Exocortex
     obsidian
     # Archivery
diff --git a/nixos/roles/kde/kde.nix b/nixos/roles/kde/kde.nix
new file mode 100644
index 00000000..dac7c0b4
--- /dev/null
+++ b/nixos/roles/kde/kde.nix
@@ -0,0 +1,10 @@
+{tree, ...}: {
+  imports = with tree.nixos.roles; [
+    graphical
+  ];
+
+  services.xserver.enable = true;
+  services.xserver.displayManager.sddm.enable = true;
+  services.xserver.desktopManager.plasma5.enable = true;
+  programs.dconf.enable = true;
+}
diff --git a/systems/goliath.nix b/systems/goliath.nix
index 9493d6bb..a77fa92e 100644
--- a/systems/goliath.nix
+++ b/systems/goliath.nix
@@ -14,12 +14,11 @@ _: let
         sound
       ]
       ++ (with tree.nixos.roles; [
-        gnome
+        kde
         gaming
       ])
       ++ (with tree.kat; [
         gui
-        gnome
       ]);
 
     environment.systemPackages = with pkgs; [
diff --git a/systems/koishi.nix b/systems/koishi.nix
index 326e83d2..c90c67b5 100644
--- a/systems/koishi.nix
+++ b/systems/koishi.nix
@@ -11,13 +11,12 @@ _: let
       ]
       ++ (with tree.nixos.roles; [
         graphical
-        gnome
+        kde
         laptop
       ])
       ++ (with tree; [
         kat.gui
-        kat.gnome
-        kat.vscodium
+        kat.vscode
       ]);
 
     fileSystems = {
diff --git a/tree.nix b/tree.nix
index 16cffaef..b6aafca1 100644
--- a/tree.nix
+++ b/tree.nix
@@ -86,6 +86,7 @@
           [
             nix-index-database.hmModules.nix-index
             konawall-rs.hmModules.konawall
+            plasma-manager.homeManagerModules.plasma-manager
           ]
           ++ (with (import (inputs.arcexprs + "/modules")).home-manager; [
             base16