diff --git a/flake.lock b/flake.lock
index 7d8a4f7..98f29c6 100644
--- a/flake.lock
+++ b/flake.lock
@@ -389,11 +389,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1771519029,
-        "narHash": "sha256-H59Qf82wv5kBXVoyXsmUKW+9J3o8FqgY4uKaLdsLdLg=",
+        "lastModified": 1771531206,
+        "narHash": "sha256-1R3Wx6KUkMb4x4E5UOhW9p6rqiexzSGGWxZqSHqW5n0=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "167e0b6837115e672ec5f58e2b0ea39093abe807",
+        "rev": "91be7cce763fa4022c7cf025a71b0c366d1b6e77",
         "type": "github"
       },
       "original": {
@@ -555,11 +555,11 @@
     },
     "nixpkgs-edge": {
       "locked": {
-        "lastModified": 1771529647,
-        "narHash": "sha256-jg/CvWdnL3ZZhx58j8g1WDXJHALqiutiwnSyP4zPLj8=",
+        "lastModified": 1771539422,
+        "narHash": "sha256-TerWaqclKBZY7mWBEgA+7uwjSmpuWQ4QaOH7MTUkFkI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "64a253ac18f1496577a30251a06c3871bdcaaa99",
+        "rev": "c4c6a8dea4a441e4cb2bdb5bc4266a6a9cce3859",
         "type": "github"
       },
       "original": {
@@ -906,11 +906,11 @@
         "tinted-zed": "tinted-zed"
       },
       "locked": {
-        "lastModified": 1771428844,
-        "narHash": "sha256-rTzo6bZEsdT7yHUZ0B4BYe32XQZzm8SiWKvWLJnxerE=",
+        "lastModified": 1771536203,
+        "narHash": "sha256-ffSQmf7RZqCShzUkK4VlROGsBZy9tgKBYRQ5XQD0PiM=",
         "owner": "nix-community",
         "repo": "stylix",
-        "rev": "801843d10e9e22d7a00f660d069e2de70aa2980a",
+        "rev": "ec4d1ce9da22da964cef8a77795dc32011ebbb55",
         "type": "github"
       },
       "original": {
diff --git a/nixos/hosts/EDI/configuration.nix b/nixos/hosts/EDI/configuration.nix
index ab62e21..0d58a61 100644
--- a/nixos/hosts/EDI/configuration.nix
+++ b/nixos/hosts/EDI/configuration.nix
@@ -42,9 +42,8 @@
 
   virtualisation.spiceUSBRedirection.enable = true;
 
-  services.displayManager.sddm = {
+  services.displayManager.plasma-login-manager = {
     enable = true;
-    wayland.enable = true;
   };
 
   services.displayManager.defaultSession = "plasma";
diff --git a/nixos/hosts/GLaDOS/configuration.nix b/nixos/hosts/GLaDOS/configuration.nix
index 3ae30f8..855c5f7 100644
--- a/nixos/hosts/GLaDOS/configuration.nix
+++ b/nixos/hosts/GLaDOS/configuration.nix
@@ -33,9 +33,8 @@
     gparted
   ];
 
-  services.displayManager.sddm = {
+  services.displayManager.plasma-login-manager = {
     enable = true;
-    wayland.enable = true;
   };
 
   services.displayManager.defaultSession = "plasma";
@@ -76,32 +75,63 @@
     # };
   };
   boot = {
-    # Nuke root AND home subvolumes on every boot
-    initrd.systemd.services.wipe-my-fs = {
-      requires = ["dev-mapper-nvme_crypted.device"];
-      after = ["dev-mapper-nvme_crypted.device"];
+    initrd.systemd.services.rollback = {
+      description = "Rollback BTRFS root subvolume to a pristine state";
+      unitConfig.DefaultDependencies = "no";
+      serviceConfig.Type = "oneshot";
       wantedBy = ["initrd.target"];
+      after = ["systemd-cryptsetup@nvme_crypted.service"];
+      before = ["sysroot.mount"];
+
       script = ''
+        echo "mounting btrfs volume to tmp..."
         mkdir -p /btrfs_tmp
-          mount /dev/mapper/cryptroot /btrfs_tmp
+        mount /dev/mapper/nvme_crypted /btrfs_tmp
+        echo "mount successful!"
 
-          delete_subvolume_recursively() {
-              IFS=$'\n'
-              for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
-                  delete_subvolume_recursively "/btrfs_tmp/$i"
-              done
-              btrfs subvolume delete "$1"
-          }
+        if [[ -e /btrfs_tmp/root ]]; then
+            echo "copying root to backup..."
+            mkdir -p /btrfs_tmp/old_roots
+            timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
+            mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
+            echo "copy complete!"
+        fi
 
-          # Nuke and recreate root
-          delete_subvolume_recursively /btrfs_tmp/root
-          btrfs subvolume create /btrfs_tmp/root
+        if [[ -e /btrfs_tmp/home ]]; then
+            echo "copying home to backup..."
+            mkdir -p /btrfs_tmp/old_homes
+            timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/home)" "+%Y-%m-%-d_%H:%M:%S")
+            mv /btrfs_tmp/home "/btrfs_tmp/old_homes/$timestamp"
+            "copy complete!"
+        fi
 
-          # Nuke and recreate home (wipes /home — but we restore via impermanence)
-          delete_subvolume_recursively /btrfs_tmp/home
-          btrfs subvolume create /btrfs_tmp/home
 
-          umount /btrfs_tmp
+        delete_subvolume_recursively() {
+            IFS=$'\n'
+            for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
+                delete_subvolume_recursively "/btrfs_tmp/$i"
+            done
+            btrfs subvolume delete "$1"
+        }
+
+        echo "recursively deleting root subvolumes older than five days..."
+        for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +5); do
+            delete_subvolume_recursively "$i"
+        done
+        echo "subvolumes deleted!"
+
+        echo "recursively deleting home subvolumes older than five days..."
+        for i in $(find /btrfs_tmp/old_homes/ -maxdepth 1 -mtime +5); do
+            delete_subvolume_recursively "$i"
+        done
+        echo "subvolumes deleted!"
+
+        echo "creating new root and home subvolumes..."
+        btrfs subvolume create /btrfs_tmp/root
+        btrfs subvolume create /btrfs_tmp/home
+        echo "unmounting btrfs temporary mount..."
+        umount /btrfs_tmp
+        echo "disk clear complete!"
       '';
     };