diff --git a/nix/configurations/vanadium/home/misc.nix b/nix/configurations/vanadium/home/misc.nix
index 4cf015ee..b7741b36 100644
--- a/nix/configurations/vanadium/home/misc.nix
+++ b/nix/configurations/vanadium/home/misc.nix
@@ -30,7 +30,7 @@
 
   home.file = {
     ".xscreensaver".source = "${./xscreensaver/.xscreensaver}";
-    ".wallpaper".source = "${pkgs.wallpapers.y-combinator}/main.svg";
+    ".wallpaper".source = "${pkgs.wallpapers_source}/images/KnightsOfGuinevere/guinevere_francesca.png";
   };
   xdg.configFile = {
     "xmonad".source = "${./xmonad}";
diff --git a/nix/configurations/vanadium/kernel-overlay.nix b/nix/configurations/vanadium/kernel-overlay.nix
index c6615c22..4243b3f6 100644
--- a/nix/configurations/vanadium/kernel-overlay.nix
+++ b/nix/configurations/vanadium/kernel-overlay.nix
@@ -30,18 +30,19 @@ in {
         SCHED_MC = yes;
         X86_MCE = yes;
         X86_MCE_AMD = yes;
+        X86_MCE_INTEL = no;
         PERF_EVENTS_INTEL_RAPL = yes;
         X86_AMD_PSTATE = yes;
         X86_POWERNOW_K8 = no;
 
+        # Processor type and features > Performance monitoring
+        PERF_EVENTS_AMD_POWER = yes;
+        PERF_EVENTS_AMD_UNCORE = yes;
+
         # With amd_pstate=active ondemand won't be available anyway.
         # Without more testing, we should accept the claim that its more power efficient and stick to it
         CPU_FREQ = yes;
         X86_INTEL_PSTATE = lib.mkForce no;
-        CPU_FREQ_DEFAULT_GOV_SCHEDUTIL = lib.mkForce no;
-        CPU_FREQ_DEFAULT_GOV_ONDEMAND = yes;
-        # ERROR: could not insert 'amd_freq_sensitivity': No such device
-        X86_AMD_FREQ_SENSITIVITY = module;
 
         # skipping firmware loading section since it's handled by other parts of nixos options
         SENSORS_K10TEMP = yes;
diff --git a/nix/configurations/vanadium/nixos/connectivity/networks.nix b/nix/configurations/vanadium/nixos/connectivity/networks.nix
index e603f0e2..e87052ce 100644
--- a/nix/configurations/vanadium/nixos/connectivity/networks.nix
+++ b/nix/configurations/vanadium/nixos/connectivity/networks.nix
@@ -1,10 +1,11 @@
 let
+  preferredPriority = 20;
   privatePriority = 10;
   limitedPriority = -10;
 in [
   {
     ssid = "~";
-    priority = privatePriority;
+    priority = preferredPriority;
     hasPassword = true;
   }
   {
@@ -28,7 +29,6 @@ in [
     ssid = "5526-1"; # TODO: set bssid preference ?
     priority = privatePriority;
     hasPassword = true;
-    scanOnLowSignal = true;
   }
 
   {
diff --git a/nix/overlays/wallpapers.nix b/nix/overlays/wallpapers.nix
index 0545f74e..b25035b2 100644
--- a/nix/overlays/wallpapers.nix
+++ b/nix/overlays/wallpapers.nix
@@ -1,6 +1,7 @@
 let
   sources = import ../../npins;
 in
-  _: _: {
-    wallpapers = import sources.wallpapers {};
+  _: _: rec {
+    wallpapers_source = sources.wallpapers;
+    wallpapers = import wallpapers_source {};
   }
diff --git a/nix/packages/by-name/ruler/package.nix b/nix/packages/by-name/ruler/package.nix
index a393fb6d..e217fae0 100644
--- a/nix/packages/by-name/ruler/package.nix
+++ b/nix/packages/by-name/ruler/package.nix
@@ -12,8 +12,8 @@
       domain = "git.confusedcompiler.org";
       owner = "leana8959";
       repo = "ruler";
-      rev = "46f40d303f3b04d65475fdfd6511dd6431f20f24";
-      hash = "sha256-goJ4iYnFqn88y6xEBhaFnos8O1MWIqHzwGrR1W0yijo=";
+      rev = "12b287522215781b21791101bf85f8a0dddd1225";
+      hash = "sha256-XoTTxKxlUmtM9mxguwdEsMSp6qBkEgBcviM8bTgs95o=";
     })
     {};
 
diff --git a/nix/secrets/wpa_password.age b/nix/secrets/wpa_password.age
index 42ffe14d..805ead8d 100644
Binary files a/nix/secrets/wpa_password.age and b/nix/secrets/wpa_password.age differ
diff --git a/npins/sources.json b/npins/sources.json
index 07131616..7df0bc2f 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -221,9 +221,9 @@
       },
       "branch": "master",
       "submodules": false,
-      "revision": "d6645c340ef7d821602fd2cd199e8d1eed10afbc",
-      "url": "https://github.com/NixOS/nixos-hardware/archive/d6645c340ef7d821602fd2cd199e8d1eed10afbc.tar.gz",
-      "hash": "0m84zxwanfq34j568w4xkvip5hwpwbhsk46xjvnl063y77i54vfs"
+      "revision": "43ffe9ac82567512abb83187cb673de1091bdfa8",
+      "url": "https://github.com/NixOS/nixos-hardware/archive/43ffe9ac82567512abb83187cb673de1091bdfa8.tar.gz",
+      "hash": "1amgw52j0z8mgfklgz3nfa1qcr4sj0vblapamqzsw148ii4xblsx"
     },
     "nixpkgs": {
       "type": "Git",
@@ -234,9 +234,9 @@
       },
       "branch": "nixos-25.05-small",
       "submodules": false,
-      "revision": "4d9bd66e3ea558621ae800445e9302a2aa1bb687",
-      "url": "https://github.com/NixOS/nixpkgs/archive/4d9bd66e3ea558621ae800445e9302a2aa1bb687.tar.gz",
-      "hash": "0dzq4bp8qamilabyy014qsjivr2ga7348da5fjiqbkp7y7fhbdk0"
+      "revision": "90b70846420ac681b72176a88d9fd0a5a06c74b1",
+      "url": "https://github.com/NixOS/nixpkgs/archive/90b70846420ac681b72176a88d9fd0a5a06c74b1.tar.gz",
+      "hash": "05ba9jcr3kgg9pn8alnk7bn63xxq2xahw8gpaclsy67q6nbya375"
     },
     "nur": {
       "type": "Git",
@@ -247,9 +247,9 @@
       },
       "branch": "main",
       "submodules": false,
-      "revision": "e68fcda79871132cb42777c15a2c4a3ea563cad6",
-      "url": "https://github.com/nix-community/nur/archive/e68fcda79871132cb42777c15a2c4a3ea563cad6.tar.gz",
-      "hash": "0qng617rx1b5vifnigrhshlsb7rviwaii2czbpgbi8ljyivw10v0"
+      "revision": "fd763567eda0a287d5512590a89b8bdf86f8cf4b",
+      "url": "https://github.com/nix-community/nur/archive/fd763567eda0a287d5512590a89b8bdf86f8cf4b.tar.gz",
+      "hash": "148rl5ckahjw99vvk2xiq17hbfggxp0nqvsr8f22sqs94i171hqh"
     },
     "pin-emacs28": {
       "type": "Git",
@@ -386,9 +386,9 @@
       },
       "branch": "mistress",
       "submodules": false,
-      "revision": "189b0f83db95462244e2dc2e12c68741c924cb46",
-      "url": "https://git.confusedcompiler.org/leana8959/wallpapers/archive/189b0f83db95462244e2dc2e12c68741c924cb46.tar.gz",
-      "hash": "1fkspkw0b61q4k13zmnzi9pbw9b5yyd3v1id2ml44xbh1qa09w2m"
+      "revision": "3e3ed2f3773a4e61db1f4ae8f55dc99c574ee6e1",
+      "url": "https://git.confusedcompiler.org/leana8959/wallpapers/archive/3e3ed2f3773a4e61db1f4ae8f55dc99c574ee6e1.tar.gz",
+      "hash": "1bkxfbxck16zvby5ynhgriv9yf137jmjxfihlwz03lr5cwvdbxbf"
     },
     "wired-notify": {
       "type": "Git",