diff --git a/darwin/darwin-configuration.nix b/darwin/darwin-configuration.nix
index e0b68e0..f50f08b 100644
--- a/darwin/darwin-configuration.nix
+++ b/darwin/darwin-configuration.nix
@@ -20,6 +20,9 @@
 
   # system-wide SSH configuration, used by nix-daemon for remote builders
 
+  # show hidden files
+  system.defaults.NSGlobalDomain.AppleShowAllFiles = true;
+
   # Used for backwards compatibility, please read the changelog before changing.
   # $ darwin-rebuild changelog
   system.stateVersion = 4;
diff --git a/home/home.nix b/home/home.nix
index dcce5af..0aed480 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -346,13 +346,15 @@ in
         "!Module"
         ];
       };
+      "python.languageServer" = "Jedi";  # don't use proprietary pylance server
+      "python.formatting.blackPath" = "/Users/os/.nix-profile/bin/black";
+      "gitlens.telemetry.enabled" = false;
       "vim.highlightedyank.enable" = true;
       "vim.history" = 500;
       "vim.neovimUseConfigFile" = true;
       "vim.enableNeovim" = true;
-      "python.formatting.blackPath" = "/Users/os/.nix-profile/bin/black";
       "git.suggestSmartCommit" = false;
-      "editor.rulers" = [ 88 ];
+      "editor.rulers" = [ 79 ];
       "vim.useSystemClipboard" = true;
       "vim.smartRelativeLine" = true;
       "diffEditor.ignoreTrimWhitespace" = false;