diff --git a/kitty/launch.py b/kitty/launch.py
index bee67c0ff..b08b7d5fd 100644
--- a/kitty/launch.py
+++ b/kitty/launch.py
@@ -574,7 +574,10 @@ class CloneCmd:
                     'CONDA_SHLVL', 'CONDA_PREFIX', 'CONDA_PROMPT_MODIFIER', 'CONDA_EXE', 'CONDA_PYTHON_EXE', '_CE_CONDA', '_CE_M',
                     # skip SSH environment variables
                     'SSH_CLIENT', 'SSH_CONNECTION', 'SSH_ORIGINAL_COMMAND', 'SSH_TTY', 'SSH2_TTY',
-                }}
+                } and not k.startswith((
+                    # conda state env vars for multi-level virtual environments
+                    'CONDA_PREFIX_',
+                ))}
             elif k == 'cwd':
                 self.cwd = v
 
diff --git a/kitty/options/definition.py b/kitty/options/definition.py
index bd5247ec9..e2d5c2e6e 100644
--- a/kitty/options/definition.py
+++ b/kitty/options/definition.py
@@ -3768,18 +3768,21 @@ This will send "Special text" when you press the :kbd:`ctrl+alt+a` key
 combination.  The text to be sent is a python string literal so you can use
 escapes like :code:`\\x1b` to send control codes or :code:`\\u21fb` to send
 unicode characters (or you can just input the unicode characters directly as
-UTF-8 text). The first argument to :code:`send_text` is the keyboard modes in which to
-activate the shortcut. The possible values are :code:`normal` or :code:`application` or :code:`kitty`
-or a comma separated combination of them.  The special keyword :code:`all` means all
-modes. The modes :code:`normal` and :code:`application` refer to the DECCKM cursor key mode for
-terminals, and :code:`kitty` refers to the special kitty extended keyboard protocol.
+UTF-8 text). You can use the show_key kitten :code:`kitty +kitten show_key` to
+get the key escape codes you want to emulate. The first argument to
+:code:`send_text` is the keyboard modes in which to activate the shortcut. The
+possible values are :code:`normal` or :code:`application` or :code:`kitty` or a
+comma separated combination of them.  The special keyword :code:`all` means all
+modes. The modes :code:`normal` and :code:`application` refer to the DECCKM
+cursor key mode forterminals, and :code:`kitty` refers to the special kitty
+extended keyboard protocol.
 
 Some more examples::
 
-    # Output a word and move the cursor ro the start of the line (like typing and pressing Home)
+    # Output a word and move the cursor to the start of the line (like typing and pressing Home)
     map ctrl+alt+a send_text normal Word\\x1b[H
     map ctrl+alt+a send_text application Word\\x1bOH
-    # Run a command at a shell prompt (like typing the command and pressing enter)
+    # Run a command at a shell prompt (like typing the command and pressing Enter)
     map ctrl+alt+a send_text normal,application some command with arguments\r
 '''
     )
diff --git a/shell-integration/bash/kitty.bash b/shell-integration/bash/kitty.bash
index 886d95622..cf0b4186f 100644
--- a/shell-integration/bash/kitty.bash
+++ b/shell-integration/bash/kitty.bash
@@ -215,7 +215,7 @@ _ksi_main() {
             builtin let limit=1+$COMP_CWORD
             src=$(builtin printf "%s\n" "${COMP_WORDS[@]:0:$limit}" | builtin command kitty +complete bash)
             if [[ $? == 0 ]]; then
-                builtin eval ${src}
+                builtin eval "${src}"
             fi
         }
         builtin complete -o nospace -F _ksi_completions kitty
@@ -273,13 +273,13 @@ _ksi_main() {
         if _ksi_s_is_ok "venv" && [ -n "${VIRTUAL_ENV}" -a -r "$venv" ]; then
             sourced="y"
             builtin unset VIRTUAL_ENV
-            . "$venv"
+            builtin source "$venv"
         fi; if _ksi_s_is_ok "conda" && [ -n "${CONDA_DEFAULT_ENV}" ] && builtin command -v conda >/dev/null 2>/dev/null && [ "${CONDA_DEFAULT_ENV}" != "$orig_conda_env" ]; then
             sourced="y"
             conda activate "${CONDA_DEFAULT_ENV}"
         fi; if _ksi_s_is_ok "env_var" && [[ -n "${KITTY_CLONE_SOURCE_CODE}" ]]; then
             sourced="y"
-            eval "${KITTY_CLONE_SOURCE_CODE}"
+            builtin eval "${KITTY_CLONE_SOURCE_CODE}"
         fi; if _ksi_s_is_ok "path" && [[ -r "${KITTY_CLONE_SOURCE_PATH}" ]]; then
             sourced="y"
             builtin source "${KITTY_CLONE_SOURCE_PATH}"
diff --git a/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish b/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish
index e32d3fe5b..7ae7ec0dc 100644
--- a/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish
+++ b/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish
@@ -24,7 +24,6 @@ not functions -q __ksi_schedule || exit 0
 set -q fish_killring || set -q status_generation || string match -qnv "3.1.*" "$version"
 or echo -en \eP@kitty-print\|V2FybmluZzogVXBkYXRlIGZpc2ggdG8gdmVyc2lvbiAzLjMuMCsgdG8gZW5hYmxlIGtpdHR5IHNoZWxsIGludGVncmF0aW9uLgo=\e\\ && exit 0 || exit 0
 
-
 function __ksi_schedule --on-event fish_prompt -d "Setup kitty integration after other scripts have run, we hope"
     functions --erase __ksi_schedule
     test -n "$KITTY_SHELL_INTEGRATION" || return 0
@@ -110,15 +109,14 @@ function __ksi_schedule --on-event fish_prompt -d "Setup kitty integration after
 
     # Handle clone launches
     if test -n "$KITTY_IS_CLONE_LAUNCH"
-        set -l orig_conda_env "$CONDA_DEFAULT_ENV"
+        set --local orig_conda_env "$CONDA_DEFAULT_ENV"
         eval "$KITTY_IS_CLONE_LAUNCH"
-        set -l venv "$VIRTUAL_ENV/bin/activate.fish"
-        set -g _ksi_sourced 'n'
+        set --local venv "$VIRTUAL_ENV/bin/activate.fish"
+        set --global _ksi_sourced
         function _ksi_s_is_ok
-            if test "$_ksi_sourced" = 'n'
-                and string match -q -- "*,$argv[1],*" "$KITTY_CLONE_SOURCE_STRATEGIES"
-                return 0
-            end
+            test -z "$_ksi_sourced"
+            and string match -q -- "*,$argv[1],*" "$KITTY_CLONE_SOURCE_STRATEGIES"
+            and return 0
             return 1
         end
         if _ksi_s_is_ok "venv" 
@@ -128,9 +126,8 @@ function __ksi_schedule --on-event fish_prompt -d "Setup kitty integration after
             source "$venv"
         end
         if _ksi_s_is_ok "conda"
-            and test -n "$CONDA_DEFAULT_ENV" 
-            and type -q conda
-            and test "$CONDA_DEFAULT_ENV" != "$orig_conda_env"
+            and test -n "$CONDA_DEFAULT_ENV" -a "$CONDA_DEFAULT_ENV" != "$orig_conda_env"
+            and functions -q conda
             set _ksi_sourced "y"
             conda activate "$CONDA_DEFAULT_ENV"
         end
@@ -146,6 +143,15 @@ function __ksi_schedule --on-event fish_prompt -d "Setup kitty integration after
         end
         set --erase KITTY_IS_CLONE_LAUNCH KITTY_CLONE_SOURCE_STRATEGIES _ksi_sourced
         functions --erase _ksi_s_is_ok
+
+        # Ensure PATH has no duplicate entries
+        set --local --path new_path
+        for p in $PATH
+            contains -- "$p" $new_path
+            or set --append new_path "$p"
+        end
+        test (count $new_path) -eq (count $PATH)
+        or set --global --export --path PATH $new_path
     end
 end
 
@@ -165,9 +171,9 @@ function clone-in-kitty -d "Clone the current fish session into a new kitty wind
     for e in (set --export --names)
         set --append envs "$e=$$e"
     end
-    set --local b64_envs (string join0 $envs | base64)
+    set --local b64_envs (string join0 -- $envs | base64)
     set --local b64_cwd (printf "%s" "$PWD" | base64)
-    set --prepend data "shell=fish,pid=$fish_pid" "cwd=$b64_cwd" "env=$b64_envs"
+    set --prepend data "shell=fish" "pid=$fish_pid" "cwd=$b64_cwd" "env=$b64_envs"
     set data (string join "," -- $data | tr -d "\t\n\r ")
     set --local data_len (string length -- "$data")
     set --local pos 1
diff --git a/shell-integration/zsh/kitty-integration b/shell-integration/zsh/kitty-integration
index 2433b8ea3..7efe5bc1e 100644
--- a/shell-integration/zsh/kitty-integration
+++ b/shell-integration/zsh/kitty-integration
@@ -369,7 +369,7 @@ _ksi_deferred_init() {
             conda activate "${CONDA_DEFAULT_ENV}"
         fi; if _ksi_s_is_ok "env_var" && [[ -n "${KITTY_CLONE_SOURCE_CODE}" ]]; then
             sourced="y"
-            eval "${KITTY_CLONE_SOURCE_CODE}"
+            builtin eval "${KITTY_CLONE_SOURCE_CODE}"
         fi; if _ksi_s_is_ok "path" && [[ -r "${KITTY_CLONE_SOURCE_PATH}" ]]; then
             sourced="y"
             builtin source "${KITTY_CLONE_SOURCE_PATH}"