diff --git a/internal/p10k.zsh b/internal/p10k.zsh
index e10c8db4..bea8d1eb 100644
--- a/internal/p10k.zsh
+++ b/internal/p10k.zsh
@@ -2239,7 +2239,7 @@ prompt_prompt_char() {
 }
 
 instant_prompt_prompt_char() {
-  _p9k_prompt_segment prompt_char_OK_VIINS "$_p9k_color1" 76 '' 0 '' '❯'
+  _p9k_prompt_segment prompt_prompt_char_OK_VIINS "$_p9k_color1" 76 '' 0 '' '❯'
 }
 
 ################################################################
@@ -3474,8 +3474,9 @@ _p9k_set_instant_prompt() {
   RPROMPT=$saved_rprompt
 }
 
+typeset -gri __p9k_instant_prompt_version=1
+
 _p9k_dump_instant_prompt() {
-  is-at-least 5.4 || return  # `typeset -g` doesn't roundtrip in zsh prior to 5.4.
   local user=${(%):-%n}
   local root_dir=${__p9k_dump_file:h}
   local prompt_dir=${root_dir}/p10k-$user
@@ -3484,97 +3485,108 @@ _p9k_dump_instant_prompt() {
   [[ -d $prompt_dir ]] || mkdir -p $prompt_dir || return
   [[ -w $root_dir && -w $prompt_dir ]] || return
 
-  if [[ ! -e $root_file ]]; then
+  if [[ ! -e $root_file ||
+        ($+__p9k_instant_prompt_sourced == 1 && $__p9k_instant_prompt_sourced != $__p9k_instant_prompt_version) ]]; then
     local tmp=$root_file.tmp.$$
     local -i fd
     sysopen -a -o creat,trunc -u fd $tmp || return
     {
       >&$fd print -r -- "() {
-    emulate -L zsh
-    (( ! \$+__p9k_instant_prompt_disabled )) || return
-    typeset -gi __p9k_instant_prompt_disabled=1 __p9k_instant_prompt_sourced=1
-    [[ -t 0 && -t 1 && -t 2 && \$ZSH_VERSION == ${(q)ZSH_VERSION} && \$ZSH_PATCHLEVEL == ${(q)ZSH_PATCHLEVEL} ]] || return
-    local -i ZLE_RPROMPT_INDENT=${ZLE_RPROMPT_INDENT:-1}
-    local PROMPT_EOL_MARK=${(q)PROMPT_EOL_MARK-%B%S%#%s%b}
-    [[ -n \$SSH_CLIENT || -n \$SSH_TTY || -n \$SSH_CONNECTION ]] && local ssh=1 || local ssh=0
-    local cr=\$'\r' lf=\$'\n' esc=\$'\e[' rs=$'\x1e' us=$'\x1f'
-    local -i height=$_POWERLEVEL9K_INSTANT_PROMPT_COMMAND_LINES
-    local prompt_dir=${(q)prompt_dir}
-    zmodload zsh/langinfo
-    if [[ \${langinfo[CODESET]:-} != (utf|UTF)(-|)8 ]]; then
-      local lc=${(q)${${${_p9k_locale:-${(M)LC_CTYPE:#*.(utf|UTF)(-|)8}}:-${(M)LC_ALL:#*.(utf|UTF)(-|)8}}}:-${(M)LANG:#*.(utf|UTF)(-|)8}}
-      local LC_ALL=\${lc:-\${\${(@M)\$(locale -a 2>/dev/null):#*.(utf|UTF)(-|)8}[1]:-en_US.UTF-8}}
-    fi"
+  emulate -L zsh
+  (( ! \$+__p9k_instant_prompt_disabled )) || return
+  typeset -gi __p9k_instant_prompt_disabled=1 __p9k_instant_prompt_sourced=$__p9k_instant_prompt_version
+  [[ -t 0 && -t 1 && -t 2 && \$ZSH_VERSION == ${(q)ZSH_VERSION} && \$ZSH_PATCHLEVEL == ${(q)ZSH_PATCHLEVEL} ]] || return
+  local -i ZLE_RPROMPT_INDENT=${ZLE_RPROMPT_INDENT:-1}
+  local PROMPT_EOL_MARK=${(q)PROMPT_EOL_MARK-%B%S%#%s%b}
+  [[ -n \$SSH_CLIENT || -n \$SSH_TTY || -n \$SSH_CONNECTION ]] && local ssh=1 || local ssh=0
+  local cr=\$'\r' lf=\$'\n' esc=\$'\e[' rs=$'\x1e' us=$'\x1f'
+  local -i height=$_POWERLEVEL9K_INSTANT_PROMPT_COMMAND_LINES
+  local prompt_dir=${(q)prompt_dir}
+  zmodload zsh/langinfo
+  if [[ \${langinfo[CODESET]:-} != (utf|UTF)(-|)8 ]]; then
+    local lc=${(q)${${${_p9k_locale:-${(M)LC_CTYPE:#*.(utf|UTF)(-|)8}}:-${(M)LC_ALL:#*.(utf|UTF)(-|)8}}}:-${(M)LANG:#*.(utf|UTF)(-|)8}}
+    local LC_ALL=\${lc:-\${\${(@M)\$(locale -a 2>/dev/null):#*.(utf|UTF)(-|)8}[1]:-en_US.UTF-8}}
+  fi"
       >&$fd print -r -- '
-    zmodload zsh/terminfo
-    (( $+terminfo[cuu] && $+terminfo[cuf] && $+terminfo[sgr0] && $+terminfo[ed] && $+terminfo[sc] && $+terminfo[rc] )) || return
-    local pwd=${(%):-%/}
-    local prompt_file=$prompt_dir/prompt-${#pwd}
-    local key=$pwd:$ssh:${(%):-%#}
-    local content
-    { content="$(<$prompt_file)" } 2>/dev/null || return
-    local tail=${content##*$rs$key$us}
-    [[ ${#tail} != ${#content} ]] || return
-    local -a _p9k_t=("${(@ps:$us:)${tail%%$rs*}}")
-    typeset -ga __p9k_used_instant_prompt=("${(@e)_p9k_t[-3,-1]}")
-    local _p9k_ret=
-    function _p9k_prompt_length() {
-      local COLUMNS=1024
-      local -i x y=$#1 m
-      if (( y )); then
-        while (( ${${(%):-$1%$y(l.1.0)}[-1]} )); do
-          x=y
-          (( y *= 2 ));
-        done
-        local xy
-        while (( y > x + 1 )); do
-          m=$(( x + (y - x) / 2 ))
-          typeset ${${(%):-$1%$m(l.x.y)}[-1]}=$m
-        done
-      fi
-      _p9k_ret=$x
-    }
-    _p9k_prompt_length "$PROMPT_EOL_MARK"
-    local -i fill=$((COLUMNS-_p9k_ret))
-    : ${__p9k_used_instant_prompt[1]//$lf/$((++height))}
-    local out="${(%):-$PROMPT_EOL_MARK${(pl.$fill.. .)}$cr%b%k%f%E}${(pl.$height..$lf.)}$esc${height}A$terminfo[sc]"
-    out+=${(%):-"$__p9k_used_instant_prompt[1]$__p9k_used_instant_prompt[2]"}
-    if [[ -n $__p9k_used_instant_prompt[3] ]]; then
-      _p9k_prompt_length "$__p9k_used_instant_prompt[2]"
-      local -i left_len=_p9k_ret
-      _p9k_prompt_length "$__p9k_used_instant_prompt[3]"
-      local -i gap=$((COLUMNS - left_len - _p9k_ret - ZLE_RPROMPT_INDENT))
-      if (( gap >= 40 )); then
-        out+="${(pl.$gap.. .)}${(%)${__p9k_used_instant_prompt[3]}}$terminfo[sgr0]$cr$esc${left_len}C"
-      fi
+  zmodload zsh/terminfo
+  (( $+terminfo[cuu] && $+terminfo[cuf] && $+terminfo[sgr0] && $+terminfo[ed] && $+terminfo[sc] && $+terminfo[rc] )) || return
+  local pwd=${(%):-%/}
+  local prompt_file=$prompt_dir/prompt-${#pwd}
+  local key=$pwd:$ssh:${(%):-%#}
+  local content
+  { content="$(<$prompt_file)" } 2>/dev/null || return
+  local tail=${content##*$rs$key$us}
+  [[ ${#tail} != ${#content} ]] || return
+  local -a _p9k_t=("${(@ps:$us:)${tail%%$rs*}}")'
+      (( __p9k_ksh_arrays )) && >&$fd print -r -- '  setopt ksh_arrays'
+      (( __p9k_sh_glob )) && >&$fd print -r -- '  setopt sh_glob'
+      >&$fd print -r -- '  typeset -ga __p9k_used_instant_prompt=("${(@e)_p9k_t[-3,-1]}")'
+      (( __p9k_ksh_arrays )) && >&$fd print -r -- '  unsetopt ksh_arrays'
+      (( __p9k_sh_glob )) && >&$fd print -r -- '  unsetopt sh_glob'
+      >&$fd print -r -- '
+  local _p9k_ret=
+  function _p9k_prompt_length() {
+    local COLUMNS=1024
+    local -i x y=$#1 m
+    if (( y )); then
+      while (( ${${(%):-$1%$y(l.1.0)}[-1]} )); do
+        x=y
+        (( y *= 2 ));
+      done
+      local xy
+      while (( y > x + 1 )); do
+        m=$(( x + (y - x) / 2 ))
+        typeset ${${(%):-$1%$m(l.x.y)}[-1]}=$m
+      done
+    fi
+    _p9k_ret=$x
+  }
+  _p9k_prompt_length "$PROMPT_EOL_MARK"
+  local -i fill=$((COLUMNS-_p9k_ret))
+  : ${__p9k_used_instant_prompt[1]//$lf/$((++height))}
+  local out="${(%):-$PROMPT_EOL_MARK${(pl.$fill.. .)}$cr%b%k%f%E}${(pl.$height..$lf.)}$esc${height}A$terminfo[sc]"
+  out+=${(%):-"$__p9k_used_instant_prompt[1]$__p9k_used_instant_prompt[2]"}
+  if [[ -n $__p9k_used_instant_prompt[3] ]]; then
+    _p9k_prompt_length "$__p9k_used_instant_prompt[2]"
+    local -i left_len=_p9k_ret
+    _p9k_prompt_length "$__p9k_used_instant_prompt[3]"
+    local -i gap=$((COLUMNS - left_len - _p9k_ret - ZLE_RPROMPT_INDENT))
+    if (( gap >= 40 )); then
+      out+="${(pl.$gap.. .)}${(%)${__p9k_used_instant_prompt[3]}}$terminfo[sgr0]$cr$esc${left_len}C"
     fi
-    { echo -n >${TMPDIR:-/tmp}/p10k-instant-prompt-output-$$ } || return
-    print -rn -- "$out" || return
-    exec {__p9k_fd_1}>&1 {__p9k_fd_2}>&2 1>${TMPDIR:-/tmp}/p10k-instant-prompt-output-$$
-    exec 2>&1
-    typeset -gi __p9k_instant_prompt_active=1
-    function _p9k_instant_prompt_precmd_first() {
+  fi
+  { echo -n >${TMPDIR:-/tmp}/p10k-instant-prompt-output-$$ } || return
+  print -rn -- "$out" || return
+  exec {__p9k_fd_1}>&1 {__p9k_fd_2}>&2 1>${TMPDIR:-/tmp}/p10k-instant-prompt-output-$$
+  exec 2>&1
+  typeset -gi __p9k_instant_prompt_active=1
+  function _p9k_instant_prompt_precmd_first() {
+    emulate -L zsh
+    function _p9k_instant_prompt_sched_last() {
       emulate -L zsh
-      function _p9k_instant_prompt_sched_last() {
-        emulate -L zsh
-        if (( $+__p9k_instant_prompt_active )); then
-          exec 1>&$__p9k_fd_1 2>&$__p9k_fd_2 {__p9k_fd_1}>&- {__p9k_fd_2}>&-
-          unset __p9k_fd_1 __p9k_fd_2 __p9k_instant_prompt_active
-          typeset -gi __p9k_instant_prompt_erased=1
-          print -rn -- $terminfo[rc]$terminfo[sgr0]$terminfo[ed]
-          if [[ -s ${TMPDIR:-/tmp}/p10k-instant-prompt-output-$$ ]]; then
-            cat ${TMPDIR:-/tmp}/p10k-instant-prompt-output-$$
-          fi
-          zmodload -F zsh/files b:zf_rm
-          zf_rm -f -- ${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh{,.zwc} 2>/dev/null
+      if (( $+__p9k_instant_prompt_active )); then
+        exec 1>&$__p9k_fd_1 2>&$__p9k_fd_2 {__p9k_fd_1}>&- {__p9k_fd_2}>&-
+        unset __p9k_fd_1 __p9k_fd_2 __p9k_instant_prompt_active
+        typeset -gi __p9k_instant_prompt_erased=1
+        print -rn -- $terminfo[rc]$terminfo[sgr0]$terminfo[ed]
+        if [[ -s ${TMPDIR:-/tmp}/p10k-instant-prompt-output-$$ ]]; then
+          cat ${TMPDIR:-/tmp}/p10k-instant-prompt-output-$$
         fi
-      }
-      zmodload zsh/sched
-      sched +0 _p9k_instant_prompt_sched_last
-      precmd_functions=(${(@)precmd_functions:#_p9k_instant_prompt_precmd_first})
+        zmodload -F zsh/files b:zf_rm
+        zf_rm -f -- ${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh{,.zwc} 2>/dev/null
+        setopt prompt_cr prompt_sp
+      fi
     }
-    precmd_functions=(_p9k_instant_prompt_precmd_first $precmd_functions)
-  } && unsetopt prompt_cr prompt_sp'
+    zmodload zsh/sched
+    sched +0 _p9k_instant_prompt_sched_last
+    precmd_functions=(${(@)precmd_functions:#_p9k_instant_prompt_precmd_first})
+  }
+  precmd_functions=(_p9k_instant_prompt_precmd_first $precmd_functions)
+  typeset -g __p9k_instant_prompt_dump_file=${XDG_CACHE_HOME:-~/.cache}/p10k-dump-${(%):-%n}.zsh
+  if source $__p9k_instant_prompt_dump_file 2>/dev/null && (( $+functions[_p9k_preinit] )); then
+    _p9k_preinit
+  fi
+} || true'
     } always {
       exec {fd}>&-
     }
@@ -3660,7 +3672,6 @@ _p9k_save_status() {
 }
 
 function _p9k_dump_state() {
-  is-at-least 5.4 || return  # `typeset -g` doesn't roundtrip in zsh prior to 5.4.
   local dir=${__p9k_dump_file:h}
   [[ -d $dir ]] || mkdir -p $dir || return
   [[ -w $dir ]] || return
@@ -3669,7 +3680,7 @@ function _p9k_dump_state() {
   sysopen -a -m 600 -o creat,trunc -u fd $tmp || return
   {
     local include='_POWERLEVEL9K_*|_p9k_*|icons|OS|DEFAULT_COLOR|DEFAULT_COLOR_INVERTED'
-    local exclude='_p9k_gitstatus_*|_p9k_cache_stat_meta|_p9k_cache_stat_fprint|_p9k_cache_fprint_key|_p9k_param_sig|_p9k_public_ip|_p9k_prompt|_p9k_prompt_idx|_p9k_dump_pid|_p9k_state_dump_scheduled|_p9k_line_finished|_p9k_preexec_cmd|_p9k_status|_p9k_pipestatus|_p9k_timer_start|_p9k_region_active|_p9k_keymap|_p9k_zle_state|_p9k_async_pump_*|_p9k_cache_ephemeral'
+    local exclude='_p9k_instant_prompt_sig|_p9k_gitstatus_*|_p9k_cache_stat_meta|_p9k_cache_stat_fprint|_p9k_cache_fprint_key|_p9k_param_sig|_p9k_public_ip|_p9k_prompt|_p9k_prompt_idx|_p9k_dump_pid|_p9k_state_dump_scheduled|_p9k_line_finished|_p9k_preexec_cmd|_p9k_status|_p9k_pipestatus|_p9k_timer_start|_p9k_region_active|_p9k_keymap|_p9k_zle_state|_p9k_async_pump_*|_p9k_cache_ephemeral'
     typeset -g __p9k_cached_param_sig=$_p9k_param_sig
     typeset -p __p9k_cached_param_sig >&$fd || return
     unset __p9k_cached_param_sig
@@ -3784,20 +3795,24 @@ _p9k_precmd_impl() {
     PROMPT='${$((_p9k_clear_instant_prompt()))+}'$PROMPT
   fi
 
-  _p9k_instant_prompt_sig=$_p9k_pwd:$P9K_SSH:${(%):-%#}
+  (( __p9k_dumps_enabled )) || return 0
 
-  # TODO: use _POWERLEVEL9K_DISABLE_INSTANT_PROMPT.
+  _p9k_instant_prompt_sig=$_p9k_pwd:$P9K_SSH:${(%):-%#}
 
   if (( ! _p9k_dump_pid )) || ! kill -0 $_p9k_dump_pid 2>/dev/null; then
     _p9k_dump_pid=0
     if (( _p9k_prompt_idx == 1 )) then
-      _p9k_set_instant_prompt
+      (( _POWERLEVEL9K_DISABLE_INSTANT_PROMPT )) || _p9k_set_instant_prompt
       if (( !_p9k_state_restored )); then
-        _p9k_dump_instant_prompt
+        if (( !_POWERLEVEL9K_DISABLE_INSTANT_PROMPT )); then
+          _p9k_dump_instant_prompt
+          _p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig]=1
+        fi
         _p9k_dump_state
         _p9k_state_dump_scheduled=0
-        _p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig]=1
-      elif [[ "${(pj:\x1f:)__p9k_used_instant_prompt}" != "${(e)_p9k_instant_prompt}" ]]; then
+      elif [[ $_POWERLEVEL9K_DISABLE_INSTANT_PROMPT == 0 &&
+              ( $+__p9k_instant_prompt_sourced == 1 && $__p9k_instant_prompt_sourced != $__p9k_instant_prompt_version ||
+                "${(pj:\x1f:)__p9k_used_instant_prompt}" != "${(e)_p9k_instant_prompt}" ) ]]; then
         _p9k_dump_instant_prompt
         if (( ! $+_p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig] )); then
           _p9k_dump_state
@@ -3805,9 +3820,9 @@ _p9k_precmd_impl() {
           _p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig]=1
         fi
       fi
-    elif (( _p9k_state_dump_scheduled || ! $+_p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig] )); then
+    elif (( _p9k_state_dump_scheduled || ! (_POWERLEVEL9K_DISABLE_INSTANT_PROMPT || $+_p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig]) )); then
       (
-        if (( ! $+_p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig] )); then
+        if ! (( _POWERLEVEL9K_DISABLE_INSTANT_PROMPT || $+_p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig] )); then
           _p9k_set_instant_prompt
           _p9k_dump_instant_prompt
           _p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig]=1
@@ -3816,7 +3831,7 @@ _p9k_precmd_impl() {
       ) &!
       _p9k_dump_pid=$!
       _p9k_state_dump_scheduled=0
-      _p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig]=1
+      (( _POWERLEVEL9K_DISABLE_INSTANT_PROMPT )) || _p9k_dumped_instant_prompt_sigs[$_p9k_instant_prompt_sig]=1
     fi
   fi
 }
@@ -4691,9 +4706,9 @@ _p9k_init_prompt() {
   _p9k_reset_on_line_finish=$((!$?))
 
   _p9k_t+=$_p9k_gap_pre
-  _p9k_gap_pre='${(e)_p9k_t['$#_p9k_t']}'
+  _p9k_gap_pre='${(e)_p9k_t['$(($#_p9k_t - __p9k_ksh_arrays))']}'
   _p9k_t+=$_p9k_prompt_prefix_left
-  _p9k_prompt_prefix_left='${(e)_p9k_t['$#_p9k_t']}'
+  _p9k_prompt_prefix_left='${(e)_p9k_t['$(($#_p9k_t - __p9k_ksh_arrays))']}'
 }
 
 _p9k_init_ssh() {
@@ -4734,7 +4749,7 @@ _p9k_must_init() {
     '${GITSTATUS_ENABLE_LOGGING}' '${GITSTATUS_DAEMON}' '${GITSTATUS_NUM_THREADS}'
     '${DEFAULT_USER}' '${ZLE_RPROMPT_INDENT}' '${P9K_SSH}' '${__p9k_ksh_arrays}'
     '${__p9k_sh_glob}' '${parameters[transient_rprompt]}' '${ITERM_SHELL_INTEGRATION_INSTALLED}'
-    'v9')
+    '${PROMPT_EOL_MARK}' 'LANG' 'LC_ALL' 'LC_CTYPE' 'v9')
   IFS=$'\2' param_sig="${(e)param_sig}"
   [[ $param_sig == $_p9k_param_sig ]] && return 1
   [[ -n $_p9k_param_sig ]] && _p9k_deinit
@@ -5060,6 +5075,13 @@ typeset -gi __p9k_enabled=0
 typeset -gi __p9k_configured=0
 typeset -gri __p9k_instant_prompt_disabled=1
 
+# `typeset -g` doesn't roundtrip in zsh prior to 5.4.
+if is-at-least 5.4; then
+  typeset -gri __p9k_dumps_enabled=1
+else
+  typeset -gri __p9k_dumps_enabled=0
+fi
+
 prompt_powerlevel9k_setup() {
   emulate -L zsh
   setopt no_hist_expand extended_glob no_prompt_bang prompt_{percent,subst}
diff --git a/powerlevel10k.zsh-theme b/powerlevel10k.zsh-theme
index 7bf59736..1808552c 100644
--- a/powerlevel10k.zsh-theme
+++ b/powerlevel10k.zsh-theme
@@ -27,7 +27,7 @@
     return
   fi
   typeset -gr __p9k_dump_file=${XDG_CACHE_HOME:-~/.cache}/p10k-dump-${(%):-%n}.zsh
-  if [[ -z $__p9k_dump_file(.zwc|)(#qNW) ]] && source $__p9k_dump_file 2>/dev/null && (( $+functions[_p9k_preinit] )); then
+  if [[ $__p9k_dump_file != $__p9k_instant_prompt_dump_file ]] && source $__p9k_dump_file 2>/dev/null && (( $+functions[_p9k_preinit] )); then
     _p9k_preinit
   fi
   typeset -gr __p9k_sourced=1
@@ -40,5 +40,7 @@
   source $__p9k_root_dir/internal/p10k.zsh || true
 }
 
+(( ! $+__p9k_instant_prompt_active )) || unsetopt local_options prompt_cr prompt_sp
+
 (( ${#__p9k_src_opts} )) && setopt ${__p9k_src_opts[@]}
 'builtin' 'unset' '__p9k_src_opts'