diff --git a/private_dot_config/karabiner.edn b/private_dot_config/karabiner.edn
index 40ddd90..bb9d58e 100644
--- a/private_dot_config/karabiner.edn
+++ b/private_dot_config/karabiner.edn
@@ -10,26 +10,27 @@
 
   :templates {:open "open -a '%s'"}
 
-  :main [{:des "Backslash<->Open_Bracket on Advantage2"
+  :main [{:des "Backslash<->open_bracket on advantage2"
           :rules [:adv2 [:##open_bracket :backslash :ru]
-                        [:#Sbackslash :open_bracket :ru]]}
-         
+                        [:##backslash :open_bracket :ru]]}
+
          {:des "Caps->English, LShift->Russian"
           :rules [[:##left_shift :left_shift nil {:alone {:input :ru}}]
-                  [:##caps_lock ["hyper" 1]  nil {:alone {:input :en}
+                  [:##caps_lock ["capskey" 1]  nil {:alone {:input :en}
                                                   :held :caps_lock
-                                                  :afterup ["hyper" 0]}]]}
-         
+                                                  :afterup ["capskey" 0]}]]}
+         {:des "Tab as Hyper"
+          :rules [[:tab [:command :option :shift :control] nil {:alone :tab}]]}
          
          {:des "Caps+T to start Kitty, Caps+B->Bing, Caps+G->Bard, Caps+O->Poe, Caps+P->ChatGPT4, Caps+␣->AllGPT"
-          :rules [:hyper [:t [:open "/Applications/kitty.app"]]
-                         [:b [:open "/Users/anton/Applications/Brave Browser Apps.localized/Bing AI.app"]]
-                         [:g [:open "/Users/anton/Applications/Brave Browser Apps.localized/Bard.app"]]
-                         [:o [:open "/Users/anton/Applications/Brave Browser Apps.localized/Poe.app"]]
-                         [:p [:open "/Users/anton/Applications/Brave Browser Apps.localized/ChatGPT4.app"]]
-                         [:v [:open "/Users/anton/Applications/Brave Browser Apps.localized/Vikunja.app"]]
-                         [:spacebar [:open "/Users/anton/Applications/Brave Browser Apps.localized/GPT.app"]]
-                         ]}
+          :rules [:capskey [:t [:open "/Applications/kitty.app"]]
+                           [:b [:open "/Users/anton/Applications/Brave Browser Apps.localized/Bing AI.app"]]
+                           [:g [:open "/Users/anton/Applications/Brave Browser Apps.localized/Bard.app"]]
+                           [:o [:open "/Users/anton/Applications/Brave Browser Apps.localized/Poe.app"]]
+                           [:p [:open "/Users/anton/Applications/Brave Browser Apps.localized/ChatGPT4.app"]]
+                           [:v [:open "/Users/anton/Applications/Brave Browser Apps.localized/Vikunja.app"]]
+                           [:spacebar [:open "/Users/anton/Applications/Brave Browser Apps.localized/GPT.app"]]
+                 ]}
 
          {:des "RShift->comma"
           :rules [[:##right_shift :right_shift :ru {:alone :!R6}]
diff --git a/private_dot_config/private_fish/config.fish b/private_dot_config/private_fish/config.fish
index 1a23c50..9ef3611 100644
--- a/private_dot_config/private_fish/config.fish
+++ b/private_dot_config/private_fish/config.fish
@@ -38,3 +38,6 @@ end
 function icat
     kitty +kitten icat --align=left $argv
 end
+
+# The next line updates PATH for the Google Cloud SDK.
+if [ -f '/Users/anton/dev/google-cloud-sdk/path.fish.inc' ]; . '/Users/anton/dev/google-cloud-sdk/path.fish.inc'; end
diff --git a/private_dot_config/private_karabiner/private_karabiner.json b/private_dot_config/private_karabiner/private_karabiner.json
index 7255a88..ec5c1aa 100644
--- a/private_dot_config/private_karabiner/private_karabiner.json
+++ b/private_dot_config/private_karabiner/private_karabiner.json
@@ -258,7 +258,7 @@
         "basic.to_if_held_down_threshold_milliseconds" : 800
       },
       "rules" : [ {
-        "description" : "Backslash<->Open_Bracket on Advantage2",
+        "description" : "Backslash<->open_bracket on advantage2",
         "manipulators" : [ {
           "from" : {
             "key_code" : "open_bracket",
@@ -286,7 +286,7 @@
           "from" : {
             "key_code" : "backslash",
             "modifiers" : {
-              "optional" : [ "left_shift" ]
+              "optional" : [ "any" ]
             }
           },
           "to" : [ {
@@ -335,7 +335,7 @@
           } ],
           "to_after_key_up" : [ {
             "set_variable" : {
-              "name" : "hyper",
+              "name" : "capskey",
               "value" : 0
             }
           } ],
@@ -347,12 +347,32 @@
           },
           "to" : [ {
             "set_variable" : {
-              "name" : "hyper",
+              "name" : "capskey",
               "value" : 1
             }
           } ],
           "type" : "basic"
         } ]
+      }, {
+        "description" : "Tab as Hyper",
+        "manipulators" : [ {
+          "to_if_alone" : [ {
+            "key_code" : "tab"
+          } ],
+          "from" : {
+            "key_code" : "tab"
+          },
+          "to" : [ {
+            "key_code" : "command"
+          }, {
+            "key_code" : "option"
+          }, {
+            "key_code" : "shift"
+          }, {
+            "key_code" : "control"
+          } ],
+          "type" : "basic"
+        } ]
       }, {
         "description" : "Caps+T to start Kitty, Caps+B->Bing, Caps+G->Bard, Caps+O->Poe, Caps+P->ChatGPT4, Caps+␣->AllGPT",
         "manipulators" : [ {
@@ -363,7 +383,7 @@
             "shell_command" : "open -a '/Applications/kitty.app'"
           } ],
           "conditions" : [ {
-            "name" : "hyper",
+            "name" : "capskey",
             "value" : 1,
             "type" : "variable_if"
           } ],
@@ -376,7 +396,7 @@
             "shell_command" : "open -a '/Users/anton/Applications/Brave Browser Apps.localized/Bing AI.app'"
           } ],
           "conditions" : [ {
-            "name" : "hyper",
+            "name" : "capskey",
             "value" : 1,
             "type" : "variable_if"
           } ],
@@ -389,7 +409,7 @@
             "shell_command" : "open -a '/Users/anton/Applications/Brave Browser Apps.localized/Bard.app'"
           } ],
           "conditions" : [ {
-            "name" : "hyper",
+            "name" : "capskey",
             "value" : 1,
             "type" : "variable_if"
           } ],
@@ -402,7 +422,7 @@
             "shell_command" : "open -a '/Users/anton/Applications/Brave Browser Apps.localized/Poe.app'"
           } ],
           "conditions" : [ {
-            "name" : "hyper",
+            "name" : "capskey",
             "value" : 1,
             "type" : "variable_if"
           } ],
@@ -415,7 +435,7 @@
             "shell_command" : "open -a '/Users/anton/Applications/Brave Browser Apps.localized/ChatGPT4.app'"
           } ],
           "conditions" : [ {
-            "name" : "hyper",
+            "name" : "capskey",
             "value" : 1,
             "type" : "variable_if"
           } ],
@@ -428,7 +448,7 @@
             "shell_command" : "open -a '/Users/anton/Applications/Brave Browser Apps.localized/Vikunja.app'"
           } ],
           "conditions" : [ {
-            "name" : "hyper",
+            "name" : "capskey",
             "value" : 1,
             "type" : "variable_if"
           } ],
@@ -441,7 +461,7 @@
             "shell_command" : "open -a '/Users/anton/Applications/Brave Browser Apps.localized/GPT.app'"
           } ],
           "conditions" : [ {
-            "name" : "hyper",
+            "name" : "capskey",
             "value" : 1,
             "type" : "variable_if"
           } ],