diff --git a/modules/command-not-found/init.zsh b/modules/command-not-found/init.zsh
index fbe959c..601986a 100644
--- a/modules/command-not-found/init.zsh
+++ b/modules/command-not-found/init.zsh
@@ -15,9 +15,9 @@ elif [[ -s /usr/share/doc/pkgfile/command-not-found.zsh ]]; then
 # Load command-not-found on macOS when Homebrew is present. Check explicitly
 # for MacOS, since homebrew can be installed on Linux as a supplementary PM
 elif [[ "$OSTYPE" =~ ^darwin ]] && (( $+commands[brew] )); then
-  homebrew_repo=${HOMEBREW_REPOSITORY:-$commands[brew]:A:h:h/Library}
+  homebrew_repo=${HOMEBREW_REPOSITORY:-$commands[brew]:A:h:h}
   # Look for handler in Homebrew core (as of >=4.6.12), then in Taps (< 4.6.12)
-  for hb_cnf_handler in "$homebrew_repo"/{Homebrew/command-not-found/handler.sh,Taps/homebrew/homebrew-command-not-found/handler.sh}; do
+  for hb_cnf_handler in "$homebrew_repo"/{Library/Homebrew/command-not-found/handler.sh,Taps/homebrew/homebrew-command-not-found/handler.sh}; do
     if [ -f "$hb_cnf_handler" ]; then
       source "$hb_cnf_handler"
       unset hb_cnf_handler homebrew_repo
diff --git a/modules/completion/external b/modules/completion/external
index c160d09..e461417 160000
--- a/modules/completion/external
+++ b/modules/completion/external
@@ -1 +1 @@
-Subproject commit c160d09fddd28ceb3af5cf80e9253af80e450d96
+Subproject commit e461417f4e20b20f84b9d48a7acd582145723929
diff --git a/modules/editor/init.zsh b/modules/editor/init.zsh
index 5798bc8..39e38d8 100644
--- a/modules/editor/init.zsh
+++ b/modules/editor/init.zsh
@@ -83,8 +83,8 @@ zle -N edit-command-line
 # Runs bindkey but for all of the keymaps. Running it with no arguments will
 # print out the mappings for all of the keymaps.
 function bindkey-all {
-  local keymap=''
-  for keymap in $(bindkey -l); do
+  local keymap
+  for keymap in "${(@f)$(bindkey -l)}"; do
     [[ "$#" -eq 0 ]] && printf "#### %s\n" "${keymap}" 1>&2
     bindkey -M "${keymap}" "$@"
   done
diff --git a/modules/git/README.md b/modules/git/README.md
index fad57a1..ed2890b 100644
--- a/modules/git/README.md
+++ b/modules/git/README.md
@@ -318,11 +318,20 @@ zstyle ':prezto:module:git:alias' skip 'yes'
   index nor the working tree.
 - `gwR` resets the current HEAD, index and working tree to the specified state.
 - `gwc` removes untracked files from the working tree (dry-run).
-- `gwC` removes untracked files from the working tree.
+- `gwC` removes untracked files and directories from the working tree.
 - `gwx` removes files from the working tree and from the index recursively.
 - `gwX` removes files from the working tree and from the index recursively and
   forcefully.
 
+### Working tree (W)
+
+- `gWa` adds a new working tree.
+- `gWl` lists all working trees.
+- `gWx` removes a working tree.
+- `gWX` removes a working tree forcefully.
+- `gWm` moves a working tree to a new location.
+- `gWc` prunes stale worktrees and their administrative data.
+
 ### Shadows
 
 The following aliases may shadow system commands:
diff --git a/modules/git/alias.zsh b/modules/git/alias.zsh
index f14cca5..977eaac 100644
--- a/modules/git/alias.zsh
+++ b/modules/git/alias.zsh
@@ -192,7 +192,7 @@ if ! zstyle -t ':prezto:module:git:alias' skip; then
   alias glg='git log --topo-order --graph --pretty=format:"$_git_log_oneline_format"'
   alias glb='git log --topo-order --pretty=format:"$_git_log_brief_format"'
   alias glc='git shortlog --summary --numbered'
-  alias glS='git log --show-signature'
+  alias glS='git log --topo-order --show-signature --pretty=format:"${_git_log_medium_format}"'
 
   # Merge (m)
   alias gm='git merge'
@@ -269,7 +269,15 @@ if ! zstyle -t ':prezto:module:git:alias' skip; then
   alias gwr='git reset --soft'
   alias gwR='git reset --hard'
   alias gwc='git clean --dry-run'
-  alias gwC='git clean --force'
+  alias gwC='git clean -d --force'
   alias gwx='git rm -r'
   alias gwX='git rm -r --force'
+
+  # Worktree management (W)
+  alias gWa='git worktree add'
+  alias gWl='git worktree list'
+  alias gWx='git worktree remove'
+  alias gWX='git worktree remove --force'
+  alias gWm='git worktree move'
+  alias gWc='git worktree prune'
 fi
diff --git a/modules/git/functions/git-info b/modules/git/functions/git-info
index eca5046..7bbcb09 100644
--- a/modules/git/functions/git-info
+++ b/modules/git/functions/git-info
@@ -246,7 +246,7 @@ function git-info {
   fi
 
   # Get the branch.
-  branch="${$(command git symbolic-ref HEAD 2> /dev/null)#refs/heads/}"
+  branch="$(escape-eval "${$(command git symbolic-ref HEAD 2> /dev/null)#refs/heads/}")"
 
   # Format branch.
   zstyle -s ':prezto:module:git:info:branch' format 'branch_format'
@@ -257,7 +257,7 @@ function git-info {
   # Format position.
   zstyle -s ':prezto:module:git:info:position' format 'position_format'
   if [[ -z "$branch" && -n "$position_format" ]]; then
-    position="$(command git describe --contains --all HEAD 2> /dev/null)"
+    position="$(escape-eval "$(command git describe --contains --all HEAD 2> /dev/null)")"
     if [[ -n "$position" ]]; then
       zformat -f position_formatted "$position_format" "p:$position"
     fi
@@ -268,7 +268,7 @@ function git-info {
   if [[ -n "$branch" && -n "$remote_format" ]]; then
     # Gets the remote name.
     remote_cmd='command git rev-parse --symbolic-full-name --verify HEAD@{upstream}'
-    remote="${$(${(z)remote_cmd} 2> /dev/null)##refs/remotes/}"
+    remote="$(escape-eval "${$(${(z)remote_cmd} 2> /dev/null)##refs/remotes/}")"
     if [[ -n "$remote" ]]; then
       zformat -f remote_formatted "$remote_format" "R:$remote"
     fi
diff --git a/modules/helper/functions/escape-eval b/modules/helper/functions/escape-eval
new file mode 100644
index 0000000..2836a13
--- /dev/null
+++ b/modules/helper/functions/escape-eval
@@ -0,0 +1,13 @@
+#
+# Escapes a string for safe use in ${(e)...} parameter expansion.
+#
+# Authors:
+#   Trey Keown <trey@crystalpeaksecurity.com>
+#
+
+# function escape-eval {
+
+setopt LOCAL_OPTIONS EXTENDED_GLOB
+print -r -- "${1//(#m)[\\\$\`]/\\$MATCH}"
+
+# }
diff --git a/modules/history-substring-search/external b/modules/history-substring-search/external
index 87ce96b..14c8d2e 160000
--- a/modules/history-substring-search/external
+++ b/modules/history-substring-search/external
@@ -1 +1 @@
-Subproject commit 87ce96b1862928d84b1afe7c173316614b30e301
+Subproject commit 14c8d2e0ffaee98f2df9850b19944f32546fdea5
diff --git a/modules/node/init.zsh b/modules/node/init.zsh
index 0c27764..d23cef0 100644
--- a/modules/node/init.zsh
+++ b/modules/node/init.zsh
@@ -19,7 +19,7 @@ if (( $#local_nodenv_paths || $+commands[nodenv] )); then
   # Ensure manually installed nodenv is added to path when present.
   [[ -s $local_nodenv_paths[1] ]] && path=($local_nodenv_paths[1]:h $path)
 
-  eval "$(nodenv init - zsh)"
+  eval "$(nodenv init - --no-rehash zsh)"
 
 # Load manually installed nvm into the shell session.
 elif (( $#local_nvm_paths )); then
diff --git a/modules/prompt/external/pure b/modules/prompt/external/pure
index a02209d..dbefd0d 160000
--- a/modules/prompt/external/pure
+++ b/modules/prompt/external/pure
@@ -1 +1 @@
-Subproject commit a02209d36c8509c0e62f44324127632999c9c0cf
+Subproject commit dbefd0dcafaa3ac7d7222ca50890d9d0c97f7ca2
diff --git a/modules/prompt/functions/prompt_cloud_setup b/modules/prompt/functions/prompt_cloud_setup
index 908e3c9..b0eb86e 100644
--- a/modules/prompt/functions/prompt_cloud_setup
+++ b/modules/prompt/functions/prompt_cloud_setup
@@ -117,7 +117,7 @@ function prompt_cloud_setup {
     'rprompt' ''
 
   # Define prompts.
-  PROMPT='%B%F{$primary_color}${prefix}%f%b  %B%F{$secondary_color}%c%f%b ${git_info:+${(e)git_info[prompt]}} '
+  PROMPT='%B%F{$primary_color}${prefix}%f%b  %B%F{$secondary_color}%c%f%b ${git_info:+$(escape-eval ${(e)git_info[prompt]})} '
   RPROMPT=''
 }
 
diff --git a/modules/prompt/functions/prompt_damoekri_setup b/modules/prompt/functions/prompt_damoekri_setup
index caff12d..553f222 100644
--- a/modules/prompt/functions/prompt_damoekri_setup
+++ b/modules/prompt/functions/prompt_damoekri_setup
@@ -27,11 +27,6 @@ prompt_damoekri_precmd() {
   if (( $+functions[ruby-info] )); then
     ruby-info
   fi
-
-  # Get Openstack tenant information.
-  if (( $+functions[os-info] )); then
-    os-info
-  fi
 }
 
 function prompt_damoekri_setup {
@@ -65,12 +60,9 @@ function prompt_damoekri_setup {
   # Set ruby-info parameters.
   zstyle ':prezto:module:ruby:info:version' format ' %F{yellow}%v%f'
 
-  # Set openstack tenant info
-  zstyle ':prezto:module:openstack:info:tenant' format '%s'
-
   # Define prompts.
-  PROMPT='${os_info:+${os_info[tenant]} }%F{cyan}${_prompt_damoekri_pwd}%f${editor_info[keymap]} '
-  RPROMPT='${git_info:+${(e)git_info[rprompt]}}${ruby_info:+${ruby_info[version]}}'
+  PROMPT='%F{cyan}${_prompt_damoekri_pwd}%f${editor_info[keymap]} '
+  RPROMPT='${git_info:+$(escape-eval "${(e)git_info[rprompt]}")}${ruby_info:+$(escape-eval "${(e)ruby_info[version]}")}'
 }
 
 prompt_damoekri_setup "$@"
diff --git a/modules/prompt/functions/prompt_kylewest_setup b/modules/prompt/functions/prompt_kylewest_setup
index d3b33a9..2cd664b 100644
--- a/modules/prompt/functions/prompt_kylewest_setup
+++ b/modules/prompt/functions/prompt_kylewest_setup
@@ -61,7 +61,7 @@ function prompt_kylewest_setup {
   zstyle ':prezto:module:ruby:info:version' format '%F{blue}[%v]%f'
 
   # Define prompts.
-  PROMPT='%F{cyan}%c%f ${git_info:+${(e)git_info[prompt]}}${editor_info[keymap]} '
+  PROMPT='%F{cyan}%c%f ${git_info:+$(escape-eval ${(e)git_info[prompt]})}${editor_info[keymap]} '
   RPROMPT='${ruby_info[version]}'
 }
 
diff --git a/modules/prompt/functions/prompt_paradox_setup b/modules/prompt/functions/prompt_paradox_setup
index 9286967..14012dd 100644
--- a/modules/prompt/functions/prompt_paradox_setup
+++ b/modules/prompt/functions/prompt_paradox_setup
@@ -50,11 +50,11 @@ function prompt_paradox_build_prompt {
   prompt_paradox_start_segment blue black '$_prompt_paradox_pwd'
 
   if [[ -n "$git_info" ]]; then
-    prompt_paradox_start_segment green black '${(e)git_info[ref]}${(e)git_info[status]}'
+    prompt_paradox_start_segment green black '$(escape-eval "${(e)git_info[ref]}${(e)git_info[status]}")'
   fi
 
   if [[ -n "$python_info" ]]; then
-    prompt_paradox_start_segment white black '${(e)python_info[virtualenv]}'
+    prompt_paradox_start_segment white black '$(escape-eval "${(e)python_info[virtualenv]}")'
   fi
 
   prompt_paradox_end_segment
diff --git a/modules/prompt/functions/prompt_skwp_setup b/modules/prompt/functions/prompt_skwp_setup
index b84011f..1657fbf 100644
--- a/modules/prompt/functions/prompt_skwp_setup
+++ b/modules/prompt/functions/prompt_skwp_setup
@@ -71,7 +71,7 @@ function prompt_skwp_setup {
   zstyle ':prezto:module:ruby:info:version' format '[%v]'
 
   # Define prompts.
-  PROMPT="${_prompt_skwp_colors[3]}%n%f@${_prompt_skwp_colors[2]}%m%f ${_prompt_skwp_colors[5]}%~%f "'${git_info:+${(e)git_info[prompt]}}'"$ "
+  PROMPT="${_prompt_skwp_colors[3]}%n%f@${_prompt_skwp_colors[2]}%m%f ${_prompt_skwp_colors[5]}%~%f "'${git_info:+$(escape-eval "${(e)git_info[prompt]}")}'"$ "
   RPROMPT='%F{blue}${ruby_info[version]}'
 }
 
diff --git a/modules/prompt/functions/prompt_smiley_setup b/modules/prompt/functions/prompt_smiley_setup
index cd1725b..eb1a14a 100644
--- a/modules/prompt/functions/prompt_smiley_setup
+++ b/modules/prompt/functions/prompt_smiley_setup
@@ -60,7 +60,7 @@ function prompt_smiley_setup {
   zstyle ':prezto:module:git:info:keys' format 'prompt' '(%b%D)'
 
   # Define prompts.
-  PROMPT='$python_info[virtualenv]$ruby_info[version]${git_info:+${(e)git_info[prompt]}} %B%c%b %(?:%F{green}ツ%f:%F{red}✖%f) '
+  PROMPT='$python_info[virtualenv]$ruby_info[version]${git_info:+$(escape-eval ${(e)git_info[prompt]})} %B%c%b %(?:%F{green}ツ%f:%F{red}✖%f) '
   RPROMPT='${editor_info[overwrite]}${VIM:+" %B%F{green}V%f%b"}'
   SPROMPT='zsh: correct %F{red}%R%f to %F{green}%r%f [nyae]? '
 }
diff --git a/modules/spectrum/init.zsh b/modules/spectrum/init.zsh
index 37b7d7b..be8c9fc 100644
--- a/modules/spectrum/init.zsh
+++ b/modules/spectrum/init.zsh
@@ -56,14 +56,18 @@ FX=(
 FG[none]="$FX[none]"
 BG[none]="$FX[none]"
 colors=(black red green yellow blue magenta cyan white)
-for color in {0..255}; do
-  if (( $color >= 0 )) && (( $color < $#colors )); then
-    index=$(( $color + 1 ))
-    FG[$colors[$index]]="\e[38;5;${color}m"
-    BG[$colors[$index]]="\e[48;5;${color}m"
-  fi
 
+# Named ANSI colors (0–7) have both numeric and name keys.
+for color in {0..7}; do
+  FG[$colors[color+1]]="\e[38;5;${color}m"
+  BG[$colors[color+1]]="\e[48;5;${color}m"
   FG[$color]="\e[38;5;${color}m"
   BG[$color]="\e[48;5;${color}m"
 done
-unset color{s,} index
+
+# Remaining 256-color indices have only numeric keys.
+for color in {8..255}; do
+  FG[$color]="\e[38;5;${color}m"
+  BG[$color]="\e[48;5;${color}m"
+done
+unset color{s,}
diff --git a/modules/ssh/init.zsh b/modules/ssh/init.zsh
index 6bf237c..d6de5fe 100644
--- a/modules/ssh/init.zsh
+++ b/modules/ssh/init.zsh
@@ -27,19 +27,20 @@ if [[ ! -S "$SSH_AUTH_SOCK" ]]; then
   # Start ssh-agent if not started.
   if ! ps -U "$LOGNAME" -o pid,ucomm | grep -q -- "${SSH_AGENT_PID:--1} ssh-agent"; then
     mkdir -p "$_ssh_agent_env:h"
-    eval "$(ssh-agent | sed '/^echo /d' | tee "$_ssh_agent_env")"
+    eval "$(print -l "${(@)${(f)"$(ssh-agent)"}:#echo *}" | tee "$_ssh_agent_env")"
   fi
 fi
 
 # Create a persistent SSH authentication socket.
 if [[ -S "$SSH_AUTH_SOCK" && "$SSH_AUTH_SOCK" != "$_ssh_agent_sock" ]]; then
   mkdir -p "$_ssh_agent_sock:h"
-  ln -sf "$SSH_AUTH_SOCK" "$_ssh_agent_sock"
+  ln -sf "$SSH_AUTH_SOCK" "$_ssh_agent_sock.$$"
+  mv -f "$_ssh_agent_sock.$$" "$_ssh_agent_sock"
   export SSH_AUTH_SOCK="$_ssh_agent_sock"
 fi
 
 # Load identities.
-if ssh-add -l 2>&1 | grep -q 'The agent has no identities'; then
+if [[ ${(@M)${(f)"$(ssh-add -l 2>&1)"}:#The agent has no identities*} ]]; then
   zstyle -a ':prezto:module:ssh:load' identities '_ssh_identities'
   # ssh-add has strange requirements for running SSH_ASKPASS, so we duplicate
   # them here. Essentially, if the other requirements are met, we redirect stdin
diff --git a/modules/syntax-highlighting/external b/modules/syntax-highlighting/external
index db085e4..1d85c69 160000
--- a/modules/syntax-highlighting/external
+++ b/modules/syntax-highlighting/external
@@ -1 +1 @@
-Subproject commit db085e4661f6aafd24e5acb5b2e17e4dd5dddf3e
+Subproject commit 1d85c692615a25fe2293bdd44b34c217d5d2bf04
diff --git a/modules/utility/functions/diff b/modules/utility/functions/diff
index 2e812f2..fb288a8 100644
--- a/modules/utility/functions/diff
+++ b/modules/utility/functions/diff
@@ -8,8 +8,10 @@
 # function diff {
 
 if zstyle -t ':prezto:module:utility:diff' color \
+      && [[ -t 1 ]] \
       && (( $+commands[colordiff] )); then
   command diff "$@" | colordiff
+  return "${pipestatus[1]}"
 else
   command diff "$@"
 fi
diff --git a/modules/utility/init.zsh b/modules/utility/init.zsh
index 5b4bf80..cacd8be 100644
--- a/modules/utility/init.zsh
+++ b/modules/utility/init.zsh
@@ -76,7 +76,9 @@ if zstyle -T ':prezto:module:utility' safe-ops; then
 fi
 
 # ls
-if [[ ${(@M)${(f)"$(ls --version 2>&1)"}:#*(GNU|lsd) *} ]]; then
+_ls_version="$(ls --version 2>&1)"
+
+if [[ ${(@M)${(f)_ls_version}:#*(GNU|lsd|uutils) *} ]]; then
   # GNU Core Utilities
 
   if zstyle -T ':prezto:module:utility:ls' dirs-first; then
@@ -123,10 +125,12 @@ alias lt='ll -tr'        # Lists sorted by date, most recent last.
 alias lc='lt -c'         # Lists sorted by date, most recent last, shows change time.
 alias lu='lt -u'         # Lists sorted by date, most recent last, shows access time.
 
-if [[ ${(@M)${(f)"$(ls --version 2>&1)"}:#*GNU *} ]]; then
+if [[ ${(@M)${(f)_ls_version}:#*GNU *} ]]; then
   alias lx='ll -XB'      # Lists sorted by extension (GNU only).
 fi
 
+unset _ls_version
+
 # Grep
 if zstyle -t ':prezto:module:utility:grep' color; then
   export GREP_COLOR=${GREP_COLOR:-'37;45'}            # BSD.