diff --git a/home/programs/coding/R.nix b/home/programs/coding/R.nix
index 8293a79..01f40ad 100644
--- a/home/programs/coding/R.nix
+++ b/home/programs/coding/R.nix
@@ -7,27 +7,52 @@
 let
   pkgs-stable = inputs.nixpkgs-stable.legacyPackages.${pkgs.system};
   colors = config.lib.stylix.colors.withHashtag;
-  rPkgs = with pkgs-stable.rPackages; [
-    ggplot2
-    dplyr
-    tidyverse
-    bruceR
-    afex
-    ggpubr
-    reshape2
-    rmdformats
-    see
-    languageserver
-    styler
-    openxlsx
-    ez
-    multcomp
-    rsdmx
-    MuMIn
-    ggforce
-    brms
-    bayestestR
-  ];
+  rPkgs =
+    with pkgs-stable.rPackages;
+    with pkgs-stable;
+    [
+      ggplot2
+      dplyr
+      tidyverse
+      bruceR
+      afex
+      ggpubr
+      reshape2
+      rmdformats
+      see
+      languageserver
+      styler
+      openxlsx
+      ez
+      multcomp
+      rsdmx
+      MuMIn
+      ggforce
+      brms
+      bayestestR
+      BayesFactor
+      ggrounded
+      bain
+      (buildRPackage {
+        name = "cmdstanr";
+        src = pkgs.fetchFromGitHub {
+          owner = "stan-dev";
+          repo = "cmdstanr";
+          rev = "edccf2d2f6449e7d80626a3ee6cc93845e82915b";
+          sha256 = "0nvqjv35l6qrrdg325kj1f01h9awsp1vgdaz6ylasckphqpcqln3";
+        };
+        propagatedBuildInputs = with rPackages; [
+          posterior
+          checkmate
+          jsonlite
+          processx
+          R6
+          withr
+          rlang
+          data_table
+        ];
+      })
+    ];
   myR = pkgs-stable.rWrapper.override {
     packages = rPkgs;
   };
diff --git a/home/programs/desktop/niri/autostart.nix b/home/programs/desktop/niri/autostart.nix
index 331dad8..1bf3f2e 100644
--- a/home/programs/desktop/niri/autostart.nix
+++ b/home/programs/desktop/niri/autostart.nix
@@ -37,9 +37,9 @@ let
       + (
         builtins.attrNames config.monitors
         |> map (monitor: [
-          "swww img --namespace background -o ${monitor} \"/home/${user}/Pictures/Wallpapers/generated/$(cat ~/.cache/swww/${monitor}-file)\""
+          "swww img --namespace background -o ${monitor} \"/home/${user}/Pictures/Wallpapers/generated/$(cat ~/Pictures/Wallpapers/${monitor}-file)\""
           "sleep 0.2"
-          "swww img --namespace backdrop -o ${monitor} \"/home/${user}/Pictures/Wallpapers/generated/$(cat ~/.cache/swww/${monitor}-blurred-file)\""
+          "swww img --namespace backdrop -o ${monitor} \"/home/${user}/Pictures/Wallpapers/generated/$(cat ~/Pictures/Wallpapers/${monitor}-blurred-file)\""
           "sleep 0.2"
         ])
         |> builtins.concatLists
@@ -50,7 +50,7 @@ let
         if config.desktopShell == "caelestia" then
           # bash
           ''
-            caelestia wallpaper -f "/home/${user}/Pictures/Wallpapers/generated/$(cat ~/.cache/swww/${config.lib.monitors.mainMonitorName}-file)"
+            caelestia wallpaper -f "/home/${user}/Pictures/Wallpapers/generated/$(cat ~/Pictures/Wallpapers/${config.lib.monitors.mainMonitorName}-file)"
             caelestia scheme set -n dynamic -m dark
           ''
         else
diff --git a/home/programs/desktop/niri/default.nix b/home/programs/desktop/niri/default.nix
index 99a19de..ae7e531 100644
--- a/home/programs/desktop/niri/default.nix
+++ b/home/programs/desktop/niri/default.nix
@@ -106,6 +106,12 @@
               ];
               opacity = 0.85;
             }
+            {
+              matches = [
+                { app-id = "MATLAB R2022b - academic use"; }
+              ];
+              open-floating = true;
+            }
           ];
         layer-rules = [
           {
diff --git a/home/programs/desktop/niri/swhkd.nix b/home/programs/desktop/niri/swhkd.nix
index f1eac30..5340bb6 100644
--- a/home/programs/desktop/niri/swhkd.nix
+++ b/home/programs/desktop/niri/swhkd.nix
@@ -16,7 +16,7 @@ in
         key = "super + shift + w";
         command =
           if config.desktopShell == "caelestia" then
-            "/home/${user}/scripts/change-wal-niri && caelestia wallpaper -f ~/Pictures/Wallpapers/generated/$(cat ~/.cache/swww/${config.lib.monitors.mainMonitorName}-file) && caelestia scheme set -n dynamic -m dark"
+            "/home/${user}/scripts/change-wal-niri && caelestia wallpaper -f ~/Pictures/Wallpapers/generated/$(cat ~/Pictures/Wallpapers/${config.lib.monitors.mainMonitorName}-file) && caelestia scheme set -n dynamic -m dark"
           else
             "/home/${user}/scripts/change-wal-niri";
       }
diff --git a/home/programs/desktop/scripts/change-wal-niri b/home/programs/desktop/scripts/change-wal-niri
index 807f7d9..95f377c 100755
--- a/home/programs/desktop/scripts/change-wal-niri
+++ b/home/programs/desktop/scripts/change-wal-niri
@@ -9,5 +9,5 @@ output=$(niri msg -j focused-output | jq -r .name)
 swww img -o $output $wallpapers_dir/$wall --transition-type random --transition-duration 1 --namespace background
 blurwall=$(echo $wall | sed 's/\.jpg$/-blurred.jpg/')
 swww img -o $output $wallpapers_dir/$blurwall --transition-type fade --namespace backdrop
-echo $wall > $HOME/.cache/swww/"$output"-file
-echo $blurwall > $HOME/.cache/swww/"$output"-blurred-file
+echo $wall > $HOME/Pictures/Wallpapers/"$output"-file
+echo $blurwall > $HOME/Pictures/Wallpapers/"$output"-blurred-file
diff --git a/home/tweaks/default.nix b/home/tweaks/default.nix
index 363df64..1afb122 100644
--- a/home/tweaks/default.nix
+++ b/home/tweaks/default.nix
@@ -7,5 +7,5 @@
     ./wallpaper.nix
     ./colorscheme.nix
   ];
-  desktopShell = "caelestia";
+  desktopShell = "noctalia-shell";
 }
diff --git a/os/programs/misc.nix b/os/programs/misc.nix
index c3d824e..80cdebf 100644
--- a/os/programs/misc.nix
+++ b/os/programs/misc.nix
@@ -1,3 +1,4 @@
 {
   services.todesk.enable = true;
+  programs.zoom-us.enable = true;
 }
diff --git a/os/system/configuration.nix b/os/system/configuration.nix
index 8aa98c9..7446e39 100644
--- a/os/system/configuration.nix
+++ b/os/system/configuration.nix
@@ -67,6 +67,8 @@
       enable = true;
       configFile = "/home/${user}/.config/dae/config.dae";
     };
+
+    flatpak.enable = true;
   };
 
   security = {