diff --git a/flake.lock b/flake.lock
index afa21af..5250f5e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -24,11 +24,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1778716662,
-        "narHash": "sha256-m1Yf0wZ8j1OHjTc2UwHwyQRSnNeSgLJOd7q5Y45hzi4=",
+        "lastModified": 1782949081,
+        "narHash": "sha256-vp6Y/Grm98ESt6ceOkWiHWyZRDV3J1RID4w+6NWK9yA=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "f7c1a2d347e4c52d5fb8d10cb4d94b5884e546fb",
+        "rev": "17c9d6cdfc60c64f4ee8d306f9bc0b4ccb51481e",
         "type": "github"
       },
       "original": {
@@ -44,11 +44,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1782233665,
-        "narHash": "sha256-h/xOtrByoA/Ak1lWHn0O1lVZz4qWYbwOSLQ8YSwQO0I=",
+        "lastModified": 1783222121,
+        "narHash": "sha256-E/ElL373TO8lQ2aMvYyzN+k4xkVaUGoRqoa8AtM71tI=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "062581938b4a378a82dfbb294b494808157153a1",
+        "rev": "a1645f40777620c4bd2b6d854b290c2fc354a266",
         "type": "github"
       },
       "original": {
@@ -106,11 +106,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1782173092,
-        "narHash": "sha256-w6J7mhMUI5wXzsnHJQUX8BURO2f+e98q0LzfpBVCCdE=",
+        "lastModified": 1783209806,
+        "narHash": "sha256-YKUtOu/HmaL8hD2FgAWZ/ZnXti6dau7kvq7BQ/oDdOU=",
         "owner": "nix-community",
         "repo": "neovim-nightly-overlay",
-        "rev": "70cfacc6ea1a24851e6d5c550456a95d4ca35f80",
+        "rev": "a4af0dcfd0788d45088dfed9d7fa50ce16070c97",
         "type": "github"
       },
       "original": {
@@ -122,11 +122,11 @@
     "neovim-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1782169544,
-        "narHash": "sha256-unNGqW0tmsqjdO1E6iOtYDIWu6MbesArGYlm8eYOe3s=",
+        "lastModified": 1783199847,
+        "narHash": "sha256-TiDFXEa4zEPMX8TvsrbMunQYJPGWQhXBTngi23lAY6g=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "313be457f5d854b3a078f8db599a055060ce11b6",
+        "rev": "3b8c19ea460b4abb5b74f91e05a14c0fcf9cc6a6",
         "type": "github"
       },
       "original": {
@@ -162,11 +162,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1782030356,
-        "narHash": "sha256-h4WpMr455AfRub0FXBaon6Vcpe0waUyJ4GivIW6oyd4=",
+        "lastModified": 1783233851,
+        "narHash": "sha256-jzisD+3wWZPC4QvAsKtYguiGsmlH2SN3Mjx5LWd68Ok=",
         "owner": "nix-community",
         "repo": "nix-index-database",
-        "rev": "3017088b49efd404f78e3b104f553b97e4af786b",
+        "rev": "fab14c7b63499d57cb6673d5690168c3ec42b99a",
         "type": "github"
       },
       "original": {
@@ -198,11 +198,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1782166108,
-        "narHash": "sha256-/EtnQBcKbsaCAGQ5VRcplrHRkR4ryqyLMpBfkVuG9Xw=",
+        "lastModified": 1782562157,
+        "narHash": "sha256-a7+T6QSeowynwZ1ZJJbP8T8ntAytvrui8kFGJmIZt2c=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "875776f0252fcb8618bb948640a0d1f7a5b362be",
+        "rev": "a9cf7546a938c737b079e738de73934a13de9784",
         "type": "github"
       },
       "original": {
@@ -280,12 +280,11 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1782118813,
-        "narHash": "sha256-BnbXO5s5EhV89lLXMAGCzPdEN5a6vNqvMk71obeTEUw=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "b3c092d3c36d91e2f61f3dfb39a159f180a56659",
-        "type": "github"
+        "lastModified": 1783214977,
+        "narHash": "sha256-Klkkjf1yS7qTIGhQV5p1kmUcM8/rZwpr6LlR/noA8N8=",
+        "rev": "6edbf1a6a03e75886a6609c088801a0856449e88",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1027850.6edbf1a6a03e/nixexprs.tar.xz"
       },
       "original": {
         "id": "nixpkgs",
@@ -325,26 +324,9 @@
         "nixos-wsl": "nixos-wsl",
         "nixpkgs": "nixpkgs_4",
         "noctalia": "noctalia",
-        "tmux": "tmux",
         "zen-browser": "zen-browser"
       }
     },
-    "tmux": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1782248405,
-        "narHash": "sha256-/qBzK4J9yKQrKzUrTYDE89LqeKIh7jPTWH1YUVmwQI4=",
-        "owner": "tmux",
-        "repo": "tmux",
-        "rev": "ff8de1a106eca44bbf8cfca842aa32953d2593c8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "tmux",
-        "repo": "tmux",
-        "type": "github"
-      }
-    },
     "zen-browser": {
       "inputs": {
         "nixpkgs": [
@@ -352,11 +334,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1781847955,
-        "narHash": "sha256-1OSYOGuJp/NoODmSHjsz+6TB/kSilJ+BsFihjY7TTnc=",
+        "lastModified": 1783063092,
+        "narHash": "sha256-H6lM+h8+ZT25uWJwmYkER5yj5RJ9DP2++n5um/XH3J0=",
         "owner": "youwen5",
         "repo": "zen-browser-flake",
-        "rev": "4bca251cd556677f7b765ff324d1638ae215be13",
+        "rev": "36b24209358c82e0ea5404ba003ae8dc37334c86",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 8b66d08..15a47d6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,11 +32,6 @@
       url = "github:zoriya/noctalia-shell";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    # use tmux's master for mode 2031
-    tmux = {
-      url = "github:tmux/tmux";
-      flake = false;
-    };
   };
 
   outputs = {
diff --git a/modules/cli/nix/impermanence.nix b/modules/cli/nix/impermanence.nix
index f8092d8..850ba66 100644
--- a/modules/cli/nix/impermanence.nix
+++ b/modules/cli/nix/impermanence.nix
@@ -68,6 +68,9 @@
         ".config/YouTube\ Music"
         ".config/gh"
         ".config/github-copilot"
+        # orca slicer
+        ".config/OrcaSlicer"
+        ".local/share/orca-slicer"
         # Don't reinstall plugins on reboot
         ".local/share/nvim"
         ".local/state/nvim"
diff --git a/modules/gui/home.nix b/modules/gui/home.nix
index 20bf0e8..2408dc9 100644
--- a/modules/gui/home.nix
+++ b/modules/gui/home.nix
@@ -22,6 +22,7 @@ in {
       zen-browser.packages.${pkgs.stdenv.hostPlatform.system}.default
       vesktop
       freecad
+      orca-slicer
       kicad
       xdg-utils
       libreoffice
diff --git a/overlays/default.nix b/overlays/default.nix
index 25a029b..55c6802 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -1,4 +1,4 @@
-{tmux, ...}: self: super: let
+{...}: self: super: let
   wrapProgram = drv: bins: wrapProgramFlags:
     super.symlinkJoin {
       name = drv.name;
@@ -18,12 +18,6 @@
       --add-flags "--ozone-platform=wayland" \
       --add-flags "--disable-smooth-scrolling"'';
 in {
-  tmux = super.tmux.overrideAttrs {
-    src = tmux;
-    version = "next-3.7";
-    patches = [];
-  };
-
   # they try to use passthrough if they detect tmux. we don't want that.
   osc = wrapProgram super.osc ["osc"] ''
     --set TMUX ""