nixpkgs: 2023-12-09 -> 2023-12-10

```
• Updated input 'nixpkgs-unpatched':
    'github:nixos/nixpkgs/61b691834e5ce9590c44690e73392ee7e001d45a' (2023-12-09)
  → 'github:nixos/nixpkgs/852e0ea0e8e1bd174bf1af9706f6b855319a5f1d' (2023-12-10)
```

flake.lock

@@ -53,11 +53,11 @@
     },
     "nixpkgs-unpatched": {
       "locked": {
-        "lastModified": 1702130454,
-        "narHash": "sha256-3jB/y3myDM6XXG2YDv5DjLbHHgTIkxiV1q8N7PmP8Ms=",
+        "lastModified": 1702167341,
+        "narHash": "sha256-Z8I6AMkTJeckedyNzpBQh1m0VVLnQbckPOsIZ6obBMc=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "61b691834e5ce9590c44690e73392ee7e001d45a",
+        "rev": "852e0ea0e8e1bd174bf1af9706f6b855319a5f1d",
         "type": "github"
       },
       "original": {

hosts/common/programs/mpv.nix

@@ -23,8 +23,8 @@ in
     package = pkgs.wrapMpv pkgs.mpv-unwrapped {
       scripts = with pkgs.mpvScripts; [
         mpris
-        # uosc
-        pkgs.mpv-uosc-latest
+        uosc
+        # pkgs.mpv-uosc-latest
       ];
       extraMakeWrapperArgs = lib.optionals (cfg.config.vo != null) [
         # 2023/08/29: fixes an error where mpv on moby launches with the message
@@ -94,6 +94,7 @@ in
     in ''
       # docs:
       # - <https://github.com/tomasklaen/uosc>
+      # - <https://github.com/tomasklaen/uosc/blob/main/src/uosc.conf>
       # - <https://superuser.com/questions/1775550/add-new-buttons-to-mpv-uosc-ui>
       timeline_style=bar
       timeline_persistency=paused,audio
@@ -110,8 +111,7 @@ in
 
       text_border=6.0
       font_bold=yes
-      background_text=ff8080
-      foreground=ff8080
+      color=foreground=ff8080,background_text=ff8080
 
       ui_scale=1.0
     '';