diff --git a/.gitmodules b/.gitmodules
index 051f2633f0..fcc482621e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -28,3 +28,6 @@
 [submodule "modules/prompt/external/powerlevel9k"]
 	path = modules/prompt/external/powerlevel9k
 	url = https://github.com/bhilburn/powerlevel9k.git
+[submodule "modules/prompt/external/powerlevel10k"]
+	path = modules/prompt/external/powerlevel10k
+	url = https://github.com/romkatv/powerlevel10k.git
diff --git a/README.md b/README.md
index 2f94cd6ccd..552784bae7 100644
--- a/README.md
+++ b/README.md
@@ -33,10 +33,11 @@ version is 4.3.11.
      done
      ```
 
-     Note: If you already have any of the given config files, ln will error. In
-     simple cases you can add `source "${ZDOTDIR:-$HOME}/.zprezto/init.zsh"` to
-     the bottom of your `.zshrc` to load prezto but keep your config intact. For
-     more complicated setups, it is recommended that you back up your original
+     Note: If you already have any of the given configuration files, `ln` will
+     cause error. In simple cases you can load prezto by adding the line
+     `source "${ZDOTDIR:-$HOME}/.zprezto/init.zsh"` to the bottom of your
+     `.zshrc` and keep the rest of your Zsh configuration intact. For more
+     complicated setups, it is recommended that you back up your original
      configs and replace them with the provided prezto runcoms.
 
   4. Set Zsh as your default shell:
@@ -89,6 +90,10 @@ accompanying README files to learn of what is available.
      window or tab.
 
      ![sorin theme][2]
+     Note that the 'git' module may be required for special symbols to appear,
+     such as those on the right of the above image. Add `'git'` to the `pmodule`
+     list (under `zstyle ':prezto:load' pmodule \` in your *~/.zpreztorc*) to
+     enable this module.
 
 ### External Modules
 
@@ -99,7 +104,7 @@ accompanying README files to learn of what is available.
      Note that module names need to be unique or they will cause an error when
      loading.
 
-     ```console
+     ```sh
      zstyle ':prezto:load' pmodule-dirs $HOME/.zprezto-contrib
      ```
 
diff --git a/modules/archive/README.md b/modules/archive/README.md
index 600ff15d0e..c9806ea591 100644
--- a/modules/archive/README.md
+++ b/modules/archive/README.md
@@ -31,9 +31,9 @@ installed:
   - *.7z* requires `7za`.
   - *.deb* requires `ar`, `tar`.
 
-Additionally, if `pigz` and/or `pbzip2` are installed, `archive` will use them over
-their traditional counterparts, `gzip` and `bzip2` respectively, to take full advantage
-of all available CPU cores for compression.
+Additionally, if `pigz` and/or `pbzip2` are installed, `archive` will use them
+over their traditional counterparts, `gzip` and `bzip2` respectively, to take
+full advantage of all available CPU cores for compression.
 
 Alternatives
 ------------
diff --git a/modules/archive/functions/archive b/modules/archive/functions/archive
index 0e3bb616bf..10bbad3985 100644
--- a/modules/archive/functions/archive
+++ b/modules/archive/functions/archive
@@ -8,11 +8,11 @@
 
 # function archive {
 
-local archive_name dir_to_archive _gzip_bin _bzip2_bin
+local archive_name path_to_archive _gzip_bin _bzip2_bin _xz_bin
 
-if (( $# != 2 )); then
+if (( $# < 2 )); then
   cat >&2 <<EOF
-usage: $0 [archive_name.zip] [/path/to/include/into/archive]
+usage: $0 [archive_name.zip] [/path/to/include/into/archive ...]
 
 Where 'archive.zip' uses any of the following extensions:
 
@@ -28,14 +28,8 @@ fi
 
 # strip the path, just in case one is provided for some reason
 archive_name="${1:t}"
-# use absolute paths, and follow symlinks
-dir_to_archive="${2}"
-
-# if the directory doesn't exist, quit. Nothing to archive
-if [[ ! -e "${dir_to_archive}" ]]; then
-  print "$0: file or directory not valid: ${dir_to_archive}" >&2
-  return 1
-fi
+# let paths be handled by actual archive helper
+path_to_archive="${@:2}"
 
 # here, we check for dropin/multi-threaded replacements
 # this should eventually be moved to modules/archive/init.zsh
@@ -46,21 +40,29 @@ else
   _gzip_bin='gzip'
 fi
 
-if (( $+commands[pbzip2] )); then
+if (( $+commands[pixz] )); then
+  _xz_bin='pixz'
+else
+  _xz_bin='xz'
+fi
+
+if (( $+commands[lbzip2] )); then
+  _bzip2_bin='lbzip2'
+elif (( $+commands[pbzip2] )); then
   _bzip2_bin='pbzip2'
 else
   _bzip2_bin='bzip2'
 fi
 
 case "${archive_name}" in
-  (*.tar.gz|*.tgz) tar -cvf "${archive_name}" --use-compress-program="${_gzip_bin}" "${dir_to_archive}" ;;
-  (*.tar.bz2|*.tbz|*.tbz2) tar -cvf "${archive_name}" --use-compress-program="${_bzip2_bin}" "${dir_to_archive}" ;;
-  (*.tar.xz|*.txz) tar -cvJf "${archive_name}" "${dir_to_archive}" ;;
-  (*.tar.lzma|*.tlz) tar -cvf "${archive_name}" --lzma "${dir_to_archive}" ;;
-  (*.tar) tar -cvf "${archive_name}" "${dir_to_archive}" ;;
-  (*.zip|*.jar) zip -r "${archive_name}" "${dir_to_archive}" ;;
-  (*.rar) rar a "${archive_name}" "${dir_to_archive}" ;;
-  (*.7z) 7za a "${archive_name}" "${dir_to_archive}" ;;
+  (*.tar.gz|*.tgz) tar -cvf "${archive_name}" --use-compress-program="${_gzip_bin}" "${=path_to_archive}" ;;
+  (*.tar.bz2|*.tbz|*.tbz2) tar -cvf "${archive_name}" --use-compress-program="${_bzip2_bin}" "${=path_to_archive}" ;;
+  (*.tar.xz|*.txz) tar -cvf "${archive_name}" --use-compress-program="${_xz_bin}" "${=path_to_archive}" ;;
+  (*.tar.lzma|*.tlz) tar -cvf "${archive_name}" --lzma "${=path_to_archive}" ;;
+  (*.tar) tar -cvf "${archive_name}" "${=path_to_archive}" ;;
+  (*.zip|*.jar) zip -r "${archive_name}" "${=path_to_archive}" ;;
+  (*.rar) rar a "${archive_name}" "${=path_to_archive}" ;;
+  (*.7z) 7za a "${archive_name}" "${=path_to_archive}" ;;
   (*.gz) print "\n.gz is only useful for single files, and does not capture permissions. Use .tar.gz" ;;
   (*.bz2) print "\n.bzip2 is only useful for single files, and does not capture permissions. Use .tar.bz2" ;;
   (*.xz) print "\n.xz is only useful for single files, and does not capture permissions. Use .tar.xz" ;;
diff --git a/modules/archive/functions/unarchive b/modules/archive/functions/unarchive
index 53a24dd7a0..9e38a80cf8 100644
--- a/modules/archive/functions/unarchive
+++ b/modules/archive/functions/unarchive
@@ -12,6 +12,7 @@ local success
 local file_name
 local file_path
 local extract_dir
+local _gzip_bin _bzip2_bin _xz_bin
 
 if (( $# == 0 )); then
   cat >&2 <<EOF
@@ -30,6 +31,29 @@ if [[ "$1" == "-r" || "$1" == "--remove" ]]; then
   shift
 fi
 
+# here, we check for dropin/multi-threaded replacements
+# this should eventually be moved to modules/archive/init.zsh
+# as a global alias
+if (( $+commands[pigz] )); then
+  _gzip_bin='pigz'
+else
+  _gzip_bin='gzip'
+fi
+
+if (( $+commands[pixz] )); then
+  _xz_bin='pixz'
+else
+  _xz_bin='xz'
+fi
+
+if (( $+commands[lbzip2] )); then
+  _bzip2_bin='lbzip2'
+elif (( $+commands[pbzip2] )); then
+  _bzip2_bin='pbzip2'
+else
+  _bzip2_bin='bzip2'
+fi
+
 while (( $# > 0 )); do
   if [[ ! -s "$1" ]]; then
     print "$0: file not valid: $1" >&2
@@ -42,15 +66,13 @@ while (( $# > 0 )); do
   file_path="${1:A}"
   extract_dir="${file_name:r}"
   case "$1:l" in
-    (*.tar.gz|*.tgz) tar xvzf "$1" ;;
-    (*.tar.bz2|*.tbz|*.tbz2) tar xvjf "$1" ;;
-    (*.tar.xz|*.txz) tar --xz --help &> /dev/null \
-      && tar --xz -xvf "$1" \
-      || xzcat "$1" | tar xvf - ;;
+    (*.tar.gz|*.tgz) tar -xvf "$1" --use-compress-program="${_gzip_bin}" ;;
+    (*.tar.bz2|*.tbz|*.tbz2) tar -xvf "$1" --use-compress-program="${_bzip2_bin}" ;;
+    (*.tar.xz|*.txz) tar -xvf "$1" --use-compress-program="${_xz_bin}" ;;
     (*.tar.zma|*.tlz) tar --lzma --help &> /dev/null \
       && tar --lzma -xvf "$1" \
-      || lzcat "$1" | tar xvf - ;;
-    (*.tar) tar xvf "$1" ;;
+      || lzcat "$1" | tar -xvf - ;;
+    (*.tar) tar -xvf "$1" ;;
     (*.gz) gunzip "$1" ;;
     (*.bz2) bunzip2 "$1" ;;
     (*.xz) unxz "$1" ;;
diff --git a/modules/autosuggestions/README.md b/modules/autosuggestions/README.md
index c3e90a4916..48f9852887 100644
--- a/modules/autosuggestions/README.md
+++ b/modules/autosuggestions/README.md
@@ -1,8 +1,3 @@
-Autosuggestions
----------------
-
-Integrates zsh-autosuggestions into Prezto.
-
 Autosuggestions
 ===============
 
diff --git a/modules/command-not-found/README.md b/modules/command-not-found/README.md
index 7775c92621..ee5a94d6d5 100644
--- a/modules/command-not-found/README.md
+++ b/modules/command-not-found/README.md
@@ -3,11 +3,12 @@ Command-Not-Found
 
 When you try to use a command that is not available locally, searches
 the package manager for a package offering that command and suggests
-the proper install command. 
+the proper install command.
 
-Debian-based and Arch Linux-based distributions use the [`command-not-found`][1] tool.
+Debian and Arch Linux based distributions use the [`command-not-found`][1] tool.
 
-macOS uses Homebrew's [`command-not-found` clone][2]. Note that you also need to [follow the instructions to tap the `command-not-found` homebrew repository][3].
+macOS uses Homebrew's [`command-not-found` clone][2]. Note that you also need to
+[follow the instructions][3] to tap the `command-not-found` homebrew repository.
 
 
 Authors
diff --git a/modules/command-not-found/init.zsh b/modules/command-not-found/init.zsh
index 2c59a4b31d..f3d7ea6287 100644
--- a/modules/command-not-found/init.zsh
+++ b/modules/command-not-found/init.zsh
@@ -12,9 +12,30 @@ if [[ -s '/etc/zsh_command_not_found' ]]; then
 # Load command-not-found on Arch Linux-based distributions.
 elif [[ -s '/usr/share/doc/pkgfile/command-not-found.zsh' ]]; then
   source '/usr/share/doc/pkgfile/command-not-found.zsh'
-# Load command-not-found on macOS when homebrew tap is configured.
-elif [[ -s '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-command-not-found/handler.sh' ]]; then
-  source '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-command-not-found/handler.sh'
+# Load command-not-found on macOS when Homebrew tap is configured.
+# To avoid performance penalty, we do not use Homebrew's ruby based command
+# lookup mechanism (viz., `brew command command-not-found-init`) and instead
+# `find` it ourselves from `TAP_DIRECTORY` defined internally in Homebrew.
+elif (( $+commands[brew] )); then
+  cnf_command=(
+    "$(brew --repository 2> /dev/null)"/Library/Taps/*/*/cmd/brew-command-not-found-init(|.rb)(.N)
+  )
+  if (( $#cnf_command )); then
+    cache_file="${TMPDIR:-/tmp}/prezto-brew-command-not-found-cache.$UID.zsh"
+
+    if [[ "${${(@o)cnf_command}[1]}" -nt "$cache_file" \
+          || "${ZDOTDIR:-$HOME}/.zpreztorc" -nt "$cache_file" \
+          || ! -s "$cache_file" ]]; then
+      # brew command-not-found-init is slow; cache its output.
+      brew command-not-found-init >! "$cache_file" 2> /dev/null
+    fi
+
+    source "$cache_file"
+
+    unset cache_file
+  fi
+
+  unset cnf_command
 # Return if requirements are not found.
 else
   return 1
diff --git a/modules/completion/README.md b/modules/completion/README.md
index 7efb3d96a8..dc2b9b837a 100644
--- a/modules/completion/README.md
+++ b/modules/completion/README.md
@@ -6,6 +6,19 @@ the [zsh-completions][1] project.
 
 This module must be loaded **after** the *utility* module.
 
+Options
+-------
+
+  - `COMPLETE_IN_WORD` complete from both ends of a word.
+  - `ALWAYS_TO_END` move cursor to the end of a completed word.
+  - `PATH_DIRS` perform path search even on command names with slashes.
+  - `AUTO_MENU` show completion menu on a successive tab press.
+  - `AUTO_LIST` automatically list choices on ambiguous completion.
+  - `AUTO_PARAM_SLASH` if completed parameter is a directory, add a trailing slash.
+  - `EXTENDED_GLOB` needed for file modification glob modifiers with compinit.
+  - `MENU_COMPLETE` do not autoselect the first completion entry.
+  - `FLOW_CONTROL` disable start/stop characters in shell editor.
+
 Settings
 --------
 
diff --git a/modules/completion/init.zsh b/modules/completion/init.zsh
index 48202f3724..07acf13bf3 100644
--- a/modules/completion/init.zsh
+++ b/modules/completion/init.zsh
@@ -99,7 +99,7 @@ zstyle ':completion:*:history-words' remove-all-dups yes
 zstyle ':completion:*:history-words' list false
 zstyle ':completion:*:history-words' menu yes
 
-# Environmental Variables
+# Environment Variables
 zstyle ':completion::*:(-command-|export):*' fake-parameters ${${${_comps[(I)-value-*]#*,}%%,*}:#-*-}
 
 # Populate hostname completion. But allow ignoring custom entries from static
diff --git a/modules/directory/README.md b/modules/directory/README.md
index 47c1bc201b..ce806eea12 100644
--- a/modules/directory/README.md
+++ b/modules/directory/README.md
@@ -12,7 +12,6 @@ Options
   - `PUSHD_SILENT` does not print the directory stack after `pushd` or `popd`.
   - `PUSHD_TO_HOME` pushes to the home directory when no argument is given.
   - `CDABLE_VARS` changes directory to a path stored in a variable.
-  - `AUTO_NAME_DIRS` auto adds variable-stored paths to `~` list.
   - `MULTIOS` writes to multiple descriptors.
   - `EXTENDED_GLOB` uses extended globbing syntax.
   - `CLOBBER` does not overwrite existing files with `>` and `>>`. Use `>!` and
diff --git a/modules/editor/README.md b/modules/editor/README.md
index c27e8642c0..d5280c45f5 100644
--- a/modules/editor/README.md
+++ b/modules/editor/README.md
@@ -1,7 +1,17 @@
 Editor
 ======
 
-Sets key bindings.
+Sets editor specific key bindings options and variables.
+
+Options
+-------
+
+  - `BEEP` beep on error in line editor.
+
+Variables
+---------
+
+  - `WORDCHARS` treat a given set of characters as part of a word.
 
 Settings
 --------
diff --git a/modules/editor/init.zsh b/modules/editor/init.zsh
index 085947ef61..28a2fb24a0 100644
--- a/modules/editor/init.zsh
+++ b/modules/editor/init.zsh
@@ -91,28 +91,32 @@ function bindkey-all {
 # Exposes information about the Zsh Line Editor via the $editor_info associative
 # array.
 function editor-info {
-  # Clean up previous $editor_info.
-  unset editor_info
-  typeset -gA editor_info
-
-  if [[ "$KEYMAP" == 'vicmd' ]]; then
-    zstyle -s ':prezto:module:editor:info:keymap:alternate' format 'REPLY'
-    editor_info[keymap]="$REPLY"
-  else
-    zstyle -s ':prezto:module:editor:info:keymap:primary' format 'REPLY'
-    editor_info[keymap]="$REPLY"
-
-    if [[ "$ZLE_STATE" == *overwrite* ]]; then
-      zstyle -s ':prezto:module:editor:info:keymap:primary:overwrite' format 'REPLY'
-      editor_info[overwrite]="$REPLY"
+  # Ensure that we're going to set the editor-info for prompts that
+  # are prezto managed and/or compatible.
+  if zstyle -t ':prezto:module:prompt' managed; then
+    # Clean up previous $editor_info.
+    unset editor_info
+    typeset -gA editor_info
+
+    if [[ "$KEYMAP" == 'vicmd' ]]; then
+      zstyle -s ':prezto:module:editor:info:keymap:alternate' format 'REPLY'
+      editor_info[keymap]="$REPLY"
     else
-      zstyle -s ':prezto:module:editor:info:keymap:primary:insert' format 'REPLY'
-      editor_info[overwrite]="$REPLY"
+      zstyle -s ':prezto:module:editor:info:keymap:primary' format 'REPLY'
+      editor_info[keymap]="$REPLY"
+
+      if [[ "$ZLE_STATE" == *overwrite* ]]; then
+        zstyle -s ':prezto:module:editor:info:keymap:primary:overwrite' format 'REPLY'
+        editor_info[overwrite]="$REPLY"
+      else
+        zstyle -s ':prezto:module:editor:info:keymap:primary:insert' format 'REPLY'
+        editor_info[overwrite]="$REPLY"
+      fi
     fi
-  fi
 
-  unset REPLY
-  zle zle-reset-prompt
+    unset REPLY
+    zle zle-reset-prompt
+  fi
 }
 zle -N editor-info
 
@@ -269,9 +273,11 @@ bindkey -d
 # Emacs Key Bindings
 #
 
-for key in "$key_info[Escape]"{B,b} "${(s: :)key_info[ControlLeft]}"
+for key in "$key_info[Escape]"{B,b} "${(s: :)key_info[ControlLeft]}" \
+  "${key_info[Escape]}${key_info[Left]}"
   bindkey -M emacs "$key" emacs-backward-word
-for key in "$key_info[Escape]"{F,f} "${(s: :)key_info[ControlRight]}"
+for key in "$key_info[Escape]"{F,f} "${(s: :)key_info[ControlRight]}" \
+  "${key_info[Escape]}${key_info[Right]}"
   bindkey -M emacs "$key" emacs-forward-word
 
 # Kill to the beginning of the line.
diff --git a/modules/environment/README.md b/modules/environment/README.md
index b0d579bb45..15ee95922c 100644
--- a/modules/environment/README.md
+++ b/modules/environment/README.md
@@ -5,9 +5,6 @@ Sets general shell options and defines environment variables.
 
 This module must be loaded first.
 
-Environment Variables
----------------------
-
 Contributors
 ------------
 
@@ -15,6 +12,39 @@ This module **MUST NOT** rely on any command not built in Zsh.
 
 Non-interactive environment variables should be defined in [`zshenv`][1].
 
+Options
+-------
+
+### General
+
+  - `COMBINING_CHARS` combine zero-length punctuation characters (accents) with
+    the base character.
+  - `INTERACTIVE_COMMENTS` enable comments in interactive shell.
+  - `RC_QUOTES` allow 'Henry''s Garage' instead of 'Henry'\''s Garage'.
+  - `MAIL_WARNING` don't print a warning message if a mail file has been accessed.
+
+### Jobs
+
+  - `LONG_LIST_JOBS` list jobs in the long format by default.
+  - `AUTO_RESUME` attempt to resume existing job before creating a new process.
+  - `NOTIFY` report status of background jobs immediately.
+  - `BG_NICE` don't run all background jobs at a lower priority.
+  - `HUP` don't kill jobs on shell exit.
+  - `CHECK_JOBS` don't report on jobs when shell exit.
+
+Variables
+---------
+
+### Termcap
+
+  - `LESS_TERMCAP_mb` begins blinking.
+  - `LESS_TERMCAP_md` begins bold.
+  - `LESS_TERMCAP_me` ends mode.
+  - `LESS_TERMCAP_se` ends standout-mode.
+  - `LESS_TERMCAP_so` begins standout-mode.
+  - `LESS_TERMCAP_ue` ends underline.
+  - `LESS_TERMCAP_us` begins underline.
+
 Authors
 -------
 
diff --git a/modules/environment/init.zsh b/modules/environment/init.zsh
index 4f3bbfe35a..7ae8c4f6a6 100644
--- a/modules/environment/init.zsh
+++ b/modules/environment/init.zsh
@@ -14,7 +14,7 @@
 # paste had a regression. Additionally, 5.2 added bracketed-paste-url-magic
 # which is generally better than url-quote-magic so we load that when possible.
 autoload -Uz is-at-least
-if [[ ${ZSH_VERSION} != 5.1.1 ]]; then
+if [[ ${ZSH_VERSION} != 5.1.1 && ${TERM} != "dumb" ]]; then
   if is-at-least 5.2; then
     autoload -Uz bracketed-paste-url-magic
     zle -N bracketed-paste bracketed-paste-url-magic
diff --git a/modules/fasd/external b/modules/fasd/external
index 90b531a5da..48220241e7 160000
--- a/modules/fasd/external
+++ b/modules/fasd/external
@@ -1 +1 @@
-Subproject commit 90b531a5daaa545c74c7d98974b54cbdb92659fc
+Subproject commit 48220241e764fdf46b075cd7fe723468aaadde58
diff --git a/modules/git/README.md b/modules/git/README.md
index a497826267..e4425fab22 100644
--- a/modules/git/README.md
+++ b/modules/git/README.md
@@ -67,7 +67,7 @@ zstyle ':prezto:module:git:alias' skip 'yes'
   - `gcm` records changes to the repository with the given message.
   - `gcS` records changes to the repository. (Signed)
   - `gcSa` stages all modified and deleted files. (Signed)
-  - `gcSm` records changes to the repository with the given message. (Signed)  - `gco`  checks out a branch or paths to work tree.
+  - `gcSm` records changes to the repository with the given message. (Signed)
   - `gcam` stages all modified and deleted files, and records changes to the repository with the given message.
   - `gco` checks out a branch or paths to work tree.
   - `gcO` checks out hunks from the index or the tree interactively.
@@ -81,6 +81,7 @@ zstyle ':prezto:module:git:alias' skip 'yes'
      commits.
   - `gcR` removes the *HEAD* commit.
   - `gcs` displays various types of objects.
+  - `gcsS` displays commits with GPG signature.
   - `gcl` lists lost commits.
   - `gcy` displays commits yet to be applied to upstream in the short format.
   - `gcY` displays commits yet to be applied to upstream.
@@ -220,6 +221,7 @@ zstyle ':prezto:module:git:alias' skip 'yes'
   - `glg` displays the graph log.
   - `glb` displays the brief commit log.
   - `glc` displays the commit count for each contributor in descending order.
+  - `glS` displays the log and checks the validity of signed commits.
 
 ### Merge
 
@@ -295,6 +297,8 @@ zstyle ':prezto:module:git:alias' skip 'yes'
 
   - `gt` lists tags or creates tag.
   - `gtl` lists tags matching pattern.
+  - `gts` creates a signed tag.
+  - `gtv` validate a signed tag.
 
 ### Working directory
 
diff --git a/modules/git/alias.zsh b/modules/git/alias.zsh
index dde5b351c1..89ba558733 100644
--- a/modules/git/alias.zsh
+++ b/modules/git/alias.zsh
@@ -68,6 +68,7 @@ if ! zstyle -t ':prezto:module:git:alias' skip 'yes'; then
   alias gcr='git revert'
   alias gcR='git reset "HEAD^"'
   alias gcs='git show'
+  alias gcsS='git show --pretty=short --show-signature'
   alias gcl='git-commit-lost'
   alias gcy='git cherry -v --abbrev'
   alias gcY='git cherry -v'
@@ -190,6 +191,7 @@ if ! zstyle -t ':prezto:module:git:alias' skip 'yes'; then
   alias glg='git log --topo-order --all --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'
 
   # Merge (m)
   alias gm='git merge'
@@ -255,6 +257,8 @@ if ! zstyle -t ':prezto:module:git:alias' skip 'yes'; then
   # Tag (t)
   alias gt='git tag'
   alias gtl='git tag -l'
+  alias gts='git tag -s'
+  alias gtv='git verify-tag'
 
   # Working Copy (w)
   alias gws='git status --ignore-submodules=${_git_status_ignore_submodules} --short'
diff --git a/modules/git/functions/git-info b/modules/git/functions/git-info
index a173c20f14..fe8ca2acd9 100644
--- a/modules/git/functions/git-info
+++ b/modules/git/functions/git-info
@@ -212,10 +212,17 @@ function git-info {
 
   # Format stashed.
   zstyle -s ':prezto:module:git:info:stashed' format 'stashed_format'
-  if [[ -n "$stashed_format" && -f "$(git-dir)/refs/stash" ]]; then
-    stashed="$(command git stash list 2> /dev/null | wc -l | awk '{print $1}')"
-    if [[ -n "$stashed" ]]; then
-      zformat -f stashed_formatted "$stashed_format" "S:$stashed"
+  if [[ -n "$stashed_format" ]]; then
+    commondir=""
+    if [[ -f "$(git-dir)/commondir" ]]; then
+      commondir="$(<$(git-dir)/commondir)"
+      [[ "$commondir" =~ ^/ ]] || commondir="$(git-dir)/$commondir"
+    fi
+    if [[ -f "$(git-dir)/refs/stash" || ( -n "$commondir" && -f "$commondir/refs/stash" ) ]]; then
+      stashed="$(command git stash list 2> /dev/null | wc -l | awk '{print $1}')"
+      if [[ -n "$stashed" ]]; then
+        zformat -f stashed_formatted "$stashed_format" "S:$stashed"
+      fi
     fi
   fi
 
diff --git a/modules/history/README.md b/modules/history/README.md
index 3dc9a26423..a5a4acb125 100644
--- a/modules/history/README.md
+++ b/modules/history/README.md
@@ -3,20 +3,14 @@ History
 
 Sets [history][1] options and defines history aliases.
 
-Variables
----------
-
-  - `HISTFILE` stores the path to the history file.
-  - `HISTSIZE` stores the maximum number of events to save in the internal history.
-  - `SAVEHIST` stores the maximum number of events to save in the history file.
-
 Options
 -------
 
   - `BANG_HIST` treats the **!** character specially during expansion.
   - `EXTENDED_HISTORY` writes the history file in the *:start:elapsed;command* format.
-  - `INC_APPEND_HISTORY` writes to the history file immediately, not when the shell exits.
-  - `SHARE_HISTORY` shares history between all sessions.
+  - `SHARE_HISTORY` shares history between all sessions. Note that
+    `SHARE_HISTORY`, `INC_APPEND_HISTORY`, and `INC_APPEND_HISTORY_TIME` are
+    mutually exclusive.
   - `HIST_EXPIRE_DUPS_FIRST` expires a duplicate event first when trimming history.
   - `HIST_IGNORE_DUPS` does not record an event that was just recorded again.
   - `HIST_IGNORE_ALL_DUPS` deletes an old recorded event if a new event is a duplicate.
@@ -26,6 +20,13 @@ Options
   - `HIST_VERIFY` does not execute immediately upon history expansion.
   - `HIST_BEEP` beeps when accessing non-existent history.
 
+Variables
+---------
+
+  - `HISTFILE` stores the path to the history file.
+  - `HISTSIZE` stores the maximum number of events to save in the internal history.
+  - `SAVEHIST` stores the maximum number of events to save in the history file.
+
 Aliases
 -------
 
diff --git a/modules/history/init.zsh b/modules/history/init.zsh
index 31db4c5b3a..d1d3373a98 100644
--- a/modules/history/init.zsh
+++ b/modules/history/init.zsh
@@ -6,21 +6,12 @@
 #   Sorin Ionescu <sorin.ionescu@gmail.com>
 #
 
-#
-# Variables
-#
-
-HISTFILE="${ZDOTDIR:-$HOME}/.zhistory"       # The path to the history file.
-HISTSIZE=10000                   # The maximum number of events to save in the internal history.
-SAVEHIST=10000                   # The maximum number of events to save in the history file.
-
 #
 # Options
 #
 
 setopt BANG_HIST                 # Treat the '!' character specially during expansion.
 setopt EXTENDED_HISTORY          # Write the history file in the ':start:elapsed;command' format.
-setopt INC_APPEND_HISTORY        # Write to the history file immediately, not when the shell exits.
 setopt SHARE_HISTORY             # Share history between all sessions.
 setopt HIST_EXPIRE_DUPS_FIRST    # Expire a duplicate event first when trimming history.
 setopt HIST_IGNORE_DUPS          # Do not record an event that was just recorded again.
@@ -31,6 +22,14 @@ setopt HIST_SAVE_NO_DUPS         # Do not write a duplicate event to the history
 setopt HIST_VERIFY               # Do not execute immediately upon history expansion.
 setopt HIST_BEEP                 # Beep when accessing non-existent history.
 
+#
+# Variables
+#
+
+HISTFILE="${HISTFILE:-${ZDOTDIR:-$HOME}/.zhistory}"  # The path to the history file.
+HISTSIZE=10000                   # The maximum number of events to save in the internal history.
+SAVEHIST=10000                   # The maximum number of events to save in the history file.
+
 #
 # Aliases
 #
diff --git a/modules/homebrew/README.md b/modules/homebrew/README.md
index 98a3444c19..2a37553d15 100644
--- a/modules/homebrew/README.md
+++ b/modules/homebrew/README.md
@@ -1,7 +1,16 @@
 Homebrew
 ========
 
-Defines Homebrew aliases.
+Defines Homebrew specific environment variables and aliases.
+
+Variables
+---------
+
+Execute the following to list the environment variables loaded in the shell:
+
+```sh
+brew shellenv
+```
 
 Aliases
 -------
@@ -20,12 +29,9 @@ Aliases
 ### Homebrew Cask
 
   - `cask` is aliased to `brew cask`.
-  - `caskc` cleans up old cached downloads.
-  - `caskC` cleans up all cached downloads.
   - `caski` installs a cask.
   - `caskl` lists installed casks.
   - `casko` lists casks which have an update available.
-  - `casks` searches for a cask.
   - `caskx` uninstalls a cask.
 
 Authors
diff --git a/modules/homebrew/init.zsh b/modules/homebrew/init.zsh
index e517c0a5e0..056f1fb5db 100644
--- a/modules/homebrew/init.zsh
+++ b/modules/homebrew/init.zsh
@@ -10,6 +10,17 @@ if [[ "$OSTYPE" != (darwin|linux)* ]]; then
   return 1
 fi
 
+#
+# Variables
+#
+
+# Load standard Homebrew shellenv into the shell session. 
+# Load 'HOMEBREW_' prefixed variables only. Avoid loading 'PATH' related
+# variables as they are already handled in standard zsh configuration.
+if (( $+commands[brew] )); then
+  eval "${(@M)${(f)"$(brew shellenv 2> /dev/null)"}:#export HOMEBREW*}"
+fi
+
 #
 # Aliases
 #
@@ -21,15 +32,25 @@ alias brewi='brew install'
 alias brewl='brew list'
 alias brewo='brew outdated'
 alias brews='brew search'
-alias brewu='brew update && brew upgrade'
-alias brewx='brew remove'
+alias brewu='brew upgrade'
+alias brewx='brew uninstall'
 
 # Homebrew Cask
 alias cask='brew cask'
-alias caskc='brew cask cleanup --outdated'
-alias caskC='brew cask cleanup'
+alias caskc='hb_deprecated brew cask cleanup'
+alias caskC='hb_deprecated brew cask cleanup'
 alias caski='brew cask install'
 alias caskl='brew cask list'
 alias casko='brew cask outdated'
-alias casks='brew cask search'
+alias casks='hb_deprecated brew cask search'
 alias caskx='brew cask uninstall'
+
+function hb_deprecated {
+  local cmd="${@[3]}"
+  local cmd_args="${@:4}"
+
+  printf "'brew cask %s' has been deprecated, " "${cmd}"
+  printf "using 'brew %s' instead\n" "${cmd}"
+
+  command brew "${cmd}" "${=cmd_args}"
+}
diff --git a/modules/node/README.md b/modules/node/README.md
index 951f2a7447..af447c1421 100644
--- a/modules/node/README.md
+++ b/modules/node/README.md
@@ -10,6 +10,9 @@ nvm
 [nvm][5] allows for managing multiple, isolated Node.js installations in the
 home directory.
 
+This will be loaded automatically if nvm is installed in `$NVM_DIR`,
+`~/.nvm`, or nvm is installed with homebrew.
+
 nodenv
 ------
 
@@ -17,6 +20,9 @@ nodenv
 Node versions. It's simple and predictable, Just Works, and is rock solid in
 production. nodenv is forked from the popular [rbenv][7].
 
+This will be loaded automatically if nodenv is installed in `$NODENV_ROOT`,
+`~/.nodenv`, or `nodenv` is on the path.
+
 Functions
 ---------
 
diff --git a/modules/node/functions/node-info b/modules/node/functions/node-info
index 9feca3e16e..c43759b760 100644
--- a/modules/node/functions/node-info
+++ b/modules/node/functions/node-info
@@ -23,7 +23,7 @@ elif (( $+commands[node] )) ; then
   version="${$(node -v)#v}"  
 fi
 
-if [[ "$version" != (none|) ]]; then
+if [[ "$version" != (none|system) ]]; then
   zstyle -s ':prezto:module:node:info:version' format 'version_format'
   zformat -f version_formatted "$version_format" "v:$version"
   node_info[version]="$version_formatted"
diff --git a/modules/node/init.zsh b/modules/node/init.zsh
index 0a516f0dfb..1ea66f9c6c 100644
--- a/modules/node/init.zsh
+++ b/modules/node/init.zsh
@@ -7,16 +7,18 @@
 #
 
 # Load manually installed NVM into the shell session.
-if [[ -s "$HOME/.nvm/nvm.sh" ]]; then
-  source "$HOME/.nvm/nvm.sh"
+if [[ -s "${NVM_DIR:=$HOME/.nvm}/nvm.sh" ]]; then
+  source "${NVM_DIR}/nvm.sh"
 
 # Load package manager installed NVM into the shell session.
-elif (( $+commands[brew] )) && [[ -d "$(brew --prefix nvm 2> /dev/null)" ]]; then
+elif (( $+commands[brew] )) && \
+  [[ -d "${nvm_prefix::="$(brew --prefix 2> /dev/null)"/opt/nvm}" ]]; then
   source "$(brew --prefix nvm)/nvm.sh"
+  unset nvm_prefix
 
 # Load manually installed nodenv into the shell session.
-elif [[ -s "$HOME/.nodenv/bin/nodenv" ]]; then
-  path=("$HOME/.nodenv/bin" $path)
+elif [[ -s "${NODENV_ROOT:=$HOME/.nodenv}/bin/nodenv" ]]; then
+  path=("${NODENV_ROOT}/bin" $path)
   eval "$(nodenv init - --no-rehash zsh)"
 
 # Load package manager installed nodenv into the shell session.
@@ -28,18 +30,28 @@ elif (( ! $+commands[node] )); then
   return 1
 fi
 
-# Load NPM completion.
-if (( $+commands[npm] )); then
-  cache_file="${TMPDIR:-/tmp}/prezto-node-cache.$UID.zsh"
+# Load NPM and known helper completions.
+typeset -A compl_commands=(
+  npm   'npm completion'
+  grunt 'grunt --completion=zsh'
+  gulp  'gulp --completion=zsh'
+)
 
-  if [[ "$commands[npm]" -nt "$cache_file" \
-        || "${ZDOTDIR:-$HOME}/.zpreztorc" -nt "$cache_file" \
-        || ! -s "$cache_file" ]]; then
-    # npm is slow; cache its output.
-    npm completion >! "$cache_file" 2> /dev/null
-  fi
+for compl_command in "${(k)compl_commands[@]}"; do
+  if (( $+commands[$compl_command] )); then
+    cache_file="${TMPDIR:-/tmp}/prezto-$compl_command-cache.$UID.zsh"
 
-  source "$cache_file"
+    # Completion commands are slow; cache their output if old or missing.
+    if [[ "$commands[$compl_command]" -nt "$cache_file" \
+          || "${ZDOTDIR:-$HOME}/.zpreztorc" -nt "$cache_file" \
+          || ! -s "$cache_file" ]]; then
+      command ${=compl_commands[$compl_command]} >! "$cache_file" 2> /dev/null
+    fi
 
-  unset cache_file
-fi
+    source "$cache_file"
+
+    unset cache_file
+  fi
+done
+
+unset compl_command{s,}
diff --git a/modules/prompt/README.md b/modules/prompt/README.md
index 523c83e929..ef32770b20 100644
--- a/modules/prompt/README.md
+++ b/modules/prompt/README.md
@@ -43,6 +43,22 @@ A prompt theme is an autoloadable function file with a special name,
 project, themes **should** be placed in the *modules/prompt/functions*
 directory.
 
+### Required Variables
+
+To ensure that your function works with the editor-info module you'll need to
+set the following variable:
+
+```
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+```
+
+This is to ensure compatibility with outside prompts, while allowing prezto
+and prezto-compatible prompts to take full advantage of the editor module.
+This should be set in the `prompt_name_setup` function after you've added
+any additional hooks with `add-zsh-hook precmd prompt_name_precmd`. See below
+for additional information about functions and hooks.
+
 ### Theme Functions
 
 There are three theme functions, a setup function, a help function, and
diff --git a/modules/prompt/external/async b/modules/prompt/external/async
index b001fa529a..95c2b1577f 160000
--- a/modules/prompt/external/async
+++ b/modules/prompt/external/async
@@ -1 +1 @@
-Subproject commit b001fa529a874fbe8bd22a9d4526153138645289
+Subproject commit 95c2b1577f455728ec01cec001a86c216d0af2bd
diff --git a/modules/prompt/external/powerlevel10k b/modules/prompt/external/powerlevel10k
new file mode 160000
index 0000000000..5886154bb1
--- /dev/null
+++ b/modules/prompt/external/powerlevel10k
@@ -0,0 +1 @@
+Subproject commit 5886154bb14965f59d26f349b97e2c5e9104bf93
diff --git a/modules/prompt/external/powerlevel9k b/modules/prompt/external/powerlevel9k
index 17c069d25a..2f4b15041f 160000
--- a/modules/prompt/external/powerlevel9k
+++ b/modules/prompt/external/powerlevel9k
@@ -1 +1 @@
-Subproject commit 17c069d25ac7b24af6b5dc7ecb9597cef881f582
+Subproject commit 2f4b15041fe31d85dc9ef705b818c3a0e6985da3
diff --git a/modules/prompt/functions/prompt-pwd b/modules/prompt/functions/prompt-pwd
index 53613e7292..d2d1788fdf 100644
--- a/modules/prompt/functions/prompt-pwd
+++ b/modules/prompt/functions/prompt-pwd
@@ -28,3 +28,4 @@ unset current_pwd
 print "$ret_directory"
 
 # }
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_cloud_setup b/modules/prompt/functions/prompt_cloud_setup
index 0637208b4e..be2a33a495 100644
--- a/modules/prompt/functions/prompt_cloud_setup
+++ b/modules/prompt/functions/prompt_cloud_setup
@@ -104,6 +104,9 @@ function prompt_cloud_setup {
   # Add hook for calling git-info before each command.
   add-zsh-hook precmd prompt_cloud_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Set git-info parameters.
   zstyle ':prezto:module:git:info' verbose 'yes'
   zstyle ':prezto:module:git:info:dirty' format "%%B%F{$secondary_color}]%f%%b %F{yellow}⚡%f"
@@ -119,3 +122,4 @@ function prompt_cloud_setup {
 }
 
 prompt_cloud_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_damoekri_setup b/modules/prompt/functions/prompt_damoekri_setup
index 4fe132d6e1..1fbaedfb03 100644
--- a/modules/prompt/functions/prompt_damoekri_setup
+++ b/modules/prompt/functions/prompt_damoekri_setup
@@ -40,6 +40,9 @@ function prompt_damoekri_setup {
   # Add hook for calling git-info and ruby-info before each command.
   add-zsh-hook precmd prompt_damoekri_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Set editor-info parameters.
   zstyle ':prezto:module:editor:info:keymap:primary' format ' %F{green}»%f'
 
@@ -63,3 +66,4 @@ function prompt_damoekri_setup {
 }
 
 prompt_damoekri_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_giddie_setup b/modules/prompt/functions/prompt_giddie_setup
index 3c194fb9a0..2b36ccc72a 100644
--- a/modules/prompt/functions/prompt_giddie_setup
+++ b/modules/prompt/functions/prompt_giddie_setup
@@ -47,6 +47,9 @@ function prompt_giddie_setup {
   # Add hook to set up prompt parameters before each command.
   add-zsh-hook precmd prompt_giddie_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Set editor-info parameters.
   zstyle ':prezto:module:editor:info:completing' format '%F{green}...%f'
   zstyle ':prezto:module:editor:info:keymap:alternate' format '%F{yellow}--- COMMAND ---%f'
@@ -74,3 +77,4 @@ function prompt_giddie_setup {
 }
 
 prompt_giddie_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_kylewest_setup b/modules/prompt/functions/prompt_kylewest_setup
index 70b6a54afe..d3b33a9548 100644
--- a/modules/prompt/functions/prompt_kylewest_setup
+++ b/modules/prompt/functions/prompt_kylewest_setup
@@ -40,6 +40,9 @@ function prompt_kylewest_setup {
   # Add hook for calling git-info before each command.
   add-zsh-hook precmd prompt_kylewest_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Set editor-info parameters.
   zstyle ':prezto:module:editor:info:completing' format '%B%F{red}...%f%b'
   zstyle ':prezto:module:editor:info:keymap:primary' format "%B%F{green}❯%f%b"
@@ -63,3 +66,4 @@ function prompt_kylewest_setup {
 }
 
 prompt_kylewest_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_minimal_setup b/modules/prompt/functions/prompt_minimal_setup
index 7456ffdb1d..e57aac57c1 100644
--- a/modules/prompt/functions/prompt_minimal_setup
+++ b/modules/prompt/functions/prompt_minimal_setup
@@ -32,6 +32,9 @@ function prompt_minimal_setup {
   # Add hook for calling vcs_info before each command.
   add-zsh-hook precmd prompt_minimal_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Set vcs_info parameters.
   zstyle ':vcs_info:*' enable bzr git hg svn
   zstyle ':vcs_info:*' check-for-changes true
@@ -47,4 +50,14 @@ function prompt_minimal_setup {
   RPROMPT=''
 }
 
+function prompt_minimal_preview {
+  local +h PROMPT=''
+  local +h RPROMPT=''
+  local +h SPROMPT=''
+
+  editor-info 2> /dev/null
+  prompt_preview_theme 'minimal'
+}
+
 prompt_minimal_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_nicoulaj_setup b/modules/prompt/functions/prompt_nicoulaj_setup
index 447ba1f40a..4b40bac8b1 100644
--- a/modules/prompt/functions/prompt_nicoulaj_setup
+++ b/modules/prompt/functions/prompt_nicoulaj_setup
@@ -35,6 +35,9 @@ function prompt_nicoulaj_setup {
   # Add hook for calling vcs_info before each command.
   add-zsh-hook precmd prompt_nicoulaj_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Customizable parameters.
   local max_path_chars=30
   local user_char='❯'
@@ -58,3 +61,4 @@ function prompt_nicoulaj_setup {
 }
 
 prompt_nicoulaj_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_paradox_setup b/modules/prompt/functions/prompt_paradox_setup
index 4f19989daf..9286967f9a 100644
--- a/modules/prompt/functions/prompt_paradox_setup
+++ b/modules/prompt/functions/prompt_paradox_setup
@@ -116,6 +116,9 @@ function prompt_paradox_setup {
   add-zsh-hook preexec prompt_paradox_preexec
   add-zsh-hook precmd prompt_paradox_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Set editor-info parameters.
   zstyle ':prezto:module:editor:info:completing' format '%B%F{red}...%f%b'
   zstyle ':prezto:module:editor:info:keymap:primary' format '%B%F{blue}❯%f%b'
@@ -154,3 +157,4 @@ ${(e)$(prompt_paradox_build_prompt)}
 }
 
 prompt_paradox_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_peepcode_setup b/modules/prompt/functions/prompt_peepcode_setup
index 2081961ca4..3a108df4a6 100644
--- a/modules/prompt/functions/prompt_peepcode_setup
+++ b/modules/prompt/functions/prompt_peepcode_setup
@@ -34,6 +34,9 @@ function prompt_peepcode_setup {
   # Add a hook for calling info functions before each command.
   add-zsh-hook precmd prompt_peepcode_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Set git-info parameters.
   zstyle ':prezto:module:git:info' verbose 'no'
   zstyle ':prezto:module:git:info:action' format ' +%s'
@@ -83,3 +86,4 @@ function prompt_peepcode_preview {
 }
 
 prompt_peepcode_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_powerlevel10k_setup b/modules/prompt/functions/prompt_powerlevel10k_setup
new file mode 120000
index 0000000000..8c66c69696
--- /dev/null
+++ b/modules/prompt/functions/prompt_powerlevel10k_setup
@@ -0,0 +1 @@
+../external/powerlevel10k/powerlevel10k.zsh-theme
\ No newline at end of file
diff --git a/modules/prompt/functions/prompt_skwp_setup b/modules/prompt/functions/prompt_skwp_setup
index f69dcddfe7..b84011fe53 100644
--- a/modules/prompt/functions/prompt_skwp_setup
+++ b/modules/prompt/functions/prompt_skwp_setup
@@ -36,6 +36,9 @@ function prompt_skwp_setup {
   # Add hook to set up prompt parameters before each command.
   add-zsh-hook precmd prompt_skwp_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Use extended color pallete if available.
   if [[ $TERM = *256color* || $TERM = *rxvt* ]]; then
     _prompt_skwp_colors=(
@@ -73,3 +76,4 @@ function prompt_skwp_setup {
 }
 
 prompt_skwp_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_smiley_setup b/modules/prompt/functions/prompt_smiley_setup
index 3d41b3af46..cd1725bd05 100644
--- a/modules/prompt/functions/prompt_smiley_setup
+++ b/modules/prompt/functions/prompt_smiley_setup
@@ -41,6 +41,9 @@ function prompt_smiley_setup {
   # Add hook for calling git-info before each command.
   add-zsh-hook precmd prompt_smiley_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Set editor-info parameters.
   zstyle ':prezto:module:editor:info:completing' format '%B%F{red}...%f%b'
 
@@ -63,3 +66,4 @@ function prompt_smiley_setup {
 }
 
 prompt_smiley_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_sorin_setup b/modules/prompt/functions/prompt_sorin_setup
index 30e71a9285..41ac7d0175 100644
--- a/modules/prompt/functions/prompt_sorin_setup
+++ b/modules/prompt/functions/prompt_sorin_setup
@@ -110,8 +110,6 @@ function prompt_sorin_setup {
   setopt LOCAL_OPTIONS
   unsetopt XTRACE KSH_ARRAYS
   prompt_opts=(cr percent sp subst)
-  _prompt_sorin_precmd_async_pid=0
-  _prompt_sorin_precmd_async_data=$(mktemp "${TMPDIR:-/tmp}/sorin-prompt-async-XXXXXXXXXX")
 
   # Load required functions.
   autoload -Uz add-zsh-hook
@@ -120,6 +118,9 @@ function prompt_sorin_setup {
   # Add hook for calling git-info before each command.
   add-zsh-hook precmd prompt_sorin_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Set editor-info parameters.
   zstyle ':prezto:module:editor:info:completing' format '%B%F{7}...%f%b'
   zstyle ':prezto:module:editor:info:keymap:primary' format ' %B%F{1}❯%F{3}❯%F{2}❯%f%b'
@@ -144,16 +145,17 @@ function prompt_sorin_setup {
   zstyle ':prezto:module:git:info:keys' format \
     'status' '%b %p %c:%s%A%B%S%a%d%m%r%U%u'
 
+  # Set python-info parameters.
+  zstyle ':prezto:module:python:info:virtualenv' format '%f%F{3}(%v)%F{7} '
+
   # Set up non-zero return value display
   local show_return="✘ "
   # Default is to show the return value
   if zstyle -T ':prezto:module:prompt' show-return-val; then
     show_return+='%? '
   fi
-  # Set python-info format
-  zstyle ':prezto:module:python:info:virtualenv' format '%f%F{3}(%v)%F{7} '
 
-  # Get the async worker set up
+  # Get the async worker set up.
   _sorin_cur_git_root=''
 
   _prompt_sorin_git=''
@@ -177,3 +179,4 @@ function prompt_sorin_preview {
 }
 
 prompt_sorin_setup "$@"
+# vim: ft=zsh
diff --git a/modules/prompt/functions/prompt_steeef_setup b/modules/prompt/functions/prompt_steeef_setup
index b241f9aa35..d32bd343f0 100644
--- a/modules/prompt/functions/prompt_steeef_setup
+++ b/modules/prompt/functions/prompt_steeef_setup
@@ -41,6 +41,9 @@ function prompt_steeef_setup {
   # Add hook for calling vcs_info before each command.
   add-zsh-hook precmd prompt_steeef_precmd
 
+  # Tell prezto we can manage this prompt
+  zstyle ':prezto:module:prompt' managed 'yes'
+
   # Use extended color pallete if available.
   if [[ $TERM = *256color* || $TERM = *rxvt* ]]; then
     _prompt_steeef_colors=(
@@ -72,6 +75,9 @@ function prompt_steeef_setup {
   local unstaged_format="${_prompt_steeef_colors[2]}●%f"
   local staged_format="${_prompt_steeef_colors[5]}●%f"
 
+  # Set editor-info parameters.
+  zstyle ':prezto:module:editor:info:keymap:primary' format '$'
+
   # Set vcs_info parameters.
   zstyle ':vcs_info:*' enable bzr git hg svn
   zstyle ':vcs_info:*:prompt:*' check-for-changes true
@@ -87,8 +93,18 @@ function prompt_steeef_setup {
   # Define prompts.
   PROMPT="
 ${_prompt_steeef_colors[3]}%n%f at ${_prompt_steeef_colors[2]}%m%f in ${_prompt_steeef_colors[5]}%~%f "'${vcs_info_msg_0_}'"
-"'$python_info[virtualenv]'"$ "
+"'$python_info[virtualenv]${editor_info[keymap]} '
   RPROMPT=''
 }
 
+function prompt_steeef_preview {
+  local +h PROMPT=''
+  local +h RPROMPT=''
+  local +h SPROMPT=''
+
+  editor-info 2> /dev/null
+  prompt_preview_theme 'steeef'
+}
+
 prompt_steeef_setup "$@"
+# vim: ft=zsh
diff --git a/modules/python/README.md b/modules/python/README.md
index e7b72c480b..91dc87feae 100644
--- a/modules/python/README.md
+++ b/modules/python/README.md
@@ -6,7 +6,9 @@ Enables local Python and local Python package installation.
 Settings
 --------
 
-This module supports virtual environments from conda and virtualenvwrapper. By default, only virtualenvwrapper is enabled. To disable virtualenvwrapper, add the following to *zpreztorc*.
+This module supports virtual environments from conda and virtualenvwrapper. By
+default, only virtualenvwrapper is enabled. To disable virtualenvwrapper, add
+the following to *zpreztorc*.
 
 ```sh
 zstyle ':prezto:module:python' skip-virtualenvwrapper-init 'on'
@@ -33,6 +35,9 @@ execution of `pyenv`.
 
 Install Python versions with `pyenv install` into `~/.pyenv/versions`.
 
+This will be loaded automatically if pyenv is installed to `$PYENV_ROOT`,
+`~/.pyenv`, or if the `pyenv` command is on the path.
+
 Local Package Installation
 --------------------------
 
@@ -52,8 +57,8 @@ virtualenvwrapper
 
 [`virtualenvwrapper`][2] is a frontend to the popular [`virtualenv`][3] utility.
 
-`virtualenv` creates isolated Python environments and `virtualenvwrapper` provides
-convenient shell functions to create, switch, and manage them.
+`virtualenv` creates isolated Python environments and `virtualenvwrapper`
+provides convenient shell functions to create, switch, and manage them.
 
 ### Usage
 
diff --git a/modules/python/init.zsh b/modules/python/init.zsh
index 28f671e0cf..e5967f7aa8 100644
--- a/modules/python/init.zsh
+++ b/modules/python/init.zsh
@@ -7,15 +7,13 @@
 #   Patrick Bos <egpbos@gmail.com>
 #
 
-# Load manually installed pyenv into the shell session.
-if [[ -s "$HOME/.pyenv/bin/pyenv" ]]; then
-  path=("$HOME/.pyenv/bin" $path)
-  export PYENV_ROOT=$(pyenv root)
+# Load manually installed pyenv into the path
+if [[ -s "${PYENV_ROOT:=$HOME/.pyenv}/bin/pyenv" ]]; then
+  path=("${PYENV_ROOT}/bin" $path)
   eval "$(pyenv init - --no-rehash zsh)"
 
-# Load package manager installed pyenv into the shell session.
+# Load pyenv into the current python session
 elif (( $+commands[pyenv] )); then
-  export PYENV_ROOT=$(pyenv root)
   eval "$(pyenv init - --no-rehash zsh)"
 
 # Prepend PEP 370 per user site packages directory, which defaults to
@@ -57,7 +55,7 @@ function _python-workon-cwd {
   local ENV_NAME=""
   if [[ -f "$PROJECT_ROOT/.venv" ]]; then
     ENV_NAME="$(cat "$PROJECT_ROOT/.venv")"
-  elif [[ -f "$PROJECT_ROOT/.venv/bin/activate" ]];then
+  elif [[ -f "$PROJECT_ROOT/.venv/bin/activate" ]]; then
     ENV_NAME="$PROJECT_ROOT/.venv"
   elif [[ "$PROJECT_ROOT" != "." ]]; then
     ENV_NAME="${PROJECT_ROOT:t}"
@@ -93,8 +91,11 @@ if (( $+VIRTUALENVWRAPPER_VIRTUALENV || $+commands[virtualenv] )) && \
   # Set the directory where virtual environments are stored.
   export WORKON_HOME="${WORKON_HOME:-$HOME/.virtualenvs}"
 
-  # Disable the virtualenv prompt.
-  export VIRTUAL_ENV_DISABLE_PROMPT=1
+  # Disable the virtualenv prompt. Note that we use the magic value used by the
+  # pure prompt because there's some additional logic in that prompt which tries
+  # to figure out if a user set this variable and disable the python portion of
+  # that prompt based on it which is the exact opposite of what we want to do.
+  export VIRTUAL_ENV_DISABLE_PROMPT=12
 
   # Create a sorted array of available virtualenv related 'pyenv' commands to
   # look for plugins of interest. Scanning shell '$path' isn't enough as they
@@ -144,7 +145,7 @@ fi
 
 # Load PIP completion.
 if (( $#commands[(i)pip(|[23])] )); then
-  cache_file="${TMPDIR:-/tmp}/prezto-python-cache.$UID.zsh"
+  cache_file="${TMPDIR:-/tmp}/prezto-pip-cache.$UID.zsh"
 
   # Detect and use one available from among 'pip', 'pip2', 'pip3' variants
   pip_command="$commands[(i)pip(|[23])]"
@@ -154,10 +155,13 @@ if (( $#commands[(i)pip(|[23])] )); then
         || ! -s "$cache_file" ]]; then
     # pip is slow; cache its output. And also support 'pip2', 'pip3' variants
     $pip_command completion --zsh \
-      | sed -e "s|compctl -K [-_[:alnum:]]* pip|& pip2 pip3|" >! "$cache_file" 2> /dev/null
+      | sed -e "s/\(compctl -K [-_[:alnum:]]* pip\).*/\1{,2,3}{,.{0..9}}/" \
+      >! "$cache_file" \
+      2> /dev/null
   fi
 
   source "$cache_file"
+
   unset cache_file pip_command
 fi
 
diff --git a/modules/rsync/init.zsh b/modules/rsync/init.zsh
index a802222fac..b3010ede32 100644
--- a/modules/rsync/init.zsh
+++ b/modules/rsync/init.zsh
@@ -14,14 +14,15 @@ fi
 # Aliases
 #
 
-_rsync_cmd='rsync --verbose --progress --human-readable --compress --archive --hard-links --one-file-system'
+_rsync_cmd='rsync --verbose --progress --human-readable --compress --archive \
+  --hard-links --one-file-system'
 
 if grep -q 'xattrs' <(rsync --help 2>&1); then
   _rsync_cmd="${_rsync_cmd} --acls --xattrs"
 fi
 
 # macOS and HFS+ Enhancements
-# http://help.bombich.com/kb/overview/credits#opensource
+# https://bombich.com/kb/ccc5/credits
 if [[ "$OSTYPE" == darwin* ]] && grep -q 'file-flags' <(rsync --help 2>&1); then
   _rsync_cmd="${_rsync_cmd} --crtimes --fileflags --protect-decmpfs --force-change"
 fi
diff --git a/modules/ruby/README.md b/modules/ruby/README.md
index 12848d8649..feaa3016a5 100644
--- a/modules/ruby/README.md
+++ b/modules/ruby/README.md
@@ -32,6 +32,9 @@ multiple, isolated Ruby installations in the home directory.
 While it is not as feature rich as RVM, it is not loaded into the shell and is
 not known to cause conflicts with shell scripts.
 
+This will be loaded automatically if rbenv is installed to `$RBENV_ROOT`,
+`~/.rbenv`, or if the `rbenv` command is on the path.
+
 chruby
 ------
 
diff --git a/modules/ruby/init.zsh b/modules/ruby/init.zsh
index 4ede36675f..1c1fb999e1 100644
--- a/modules/ruby/init.zsh
+++ b/modules/ruby/init.zsh
@@ -15,8 +15,8 @@ if [[ -s "$HOME/.rvm/scripts/rvm" ]]; then
   source "$HOME/.rvm/scripts/rvm"
 
 # Load manually installed rbenv into the shell session.
-elif [[ -s "$HOME/.rbenv/bin/rbenv" ]]; then
-  path=("$HOME/.rbenv/bin" $path)
+elif [[ -s "${RBENV_ROOT:=$HOME/.rbenv}/bin/rbenv" ]]; then
+  path=("${RBENV_ROOT}/bin" $path)
   eval "$(rbenv init - --no-rehash zsh)"
 
 # Load package manager installed rbenv into the shell session.
diff --git a/modules/syntax-highlighting/README.md b/modules/syntax-highlighting/README.md
index 7a28892a46..7a5a30c356 100644
--- a/modules/syntax-highlighting/README.md
+++ b/modules/syntax-highlighting/README.md
@@ -9,6 +9,9 @@ Additionally, if this module is used in conjunction with the
 *history-substring-search* module, this module must be loaded **before** the
 *history-substring-search* module.
 
+To elaborate: The relative order of loading the modules would be 
+'syntax-highlighting', 'history-substring-search' and 'prompt'.
+
 Contributors
 ------------
 
diff --git a/modules/tmux/init.zsh b/modules/tmux/init.zsh
index fb56d07603..5c51855f2a 100644
--- a/modules/tmux/init.zsh
+++ b/modules/tmux/init.zsh
@@ -23,7 +23,7 @@ if ([[ "$TERM_PROGRAM" = 'iTerm.app' ]] && \
   _tmux_iterm_integration='-CC'
 fi
 
-if [[ -z "$TMUX" && -z "$EMACS" && -z "$VIM" && -z "$INSIDE_EMACS" && -z "$VSCODE_PID" ]] && ( \
+if [[ -z "$TMUX" && -z "$EMACS" && -z "$VIM" && -z "$INSIDE_EMACS" && "$TERM_PROGRAM" != "vscode" ]] && ( \
   ( [[ -n "$SSH_TTY" ]] && zstyle -t ':prezto:module:tmux:auto-start' remote ) ||
   ( [[ -z "$SSH_TTY" ]] && zstyle -t ':prezto:module:tmux:auto-start' local ) \
 ); then
diff --git a/modules/utility/README.md b/modules/utility/README.md
index 84e81f5c28..1179478703 100644
--- a/modules/utility/README.md
+++ b/modules/utility/README.md
@@ -8,8 +8,8 @@ Settings
 
 ### Highlighting
 
-If you have enabled color globally in *zpreztorc*, you may disable it for certain
-commands.
+If you have enabled color globally in *zpreztorc*, you may disable it for
+certain commands.
 
 To disable `ls` color, add the following line to *zpreztorc*; when coloring is
 disabled, type indicators (\*, /, =>, @, =, |, %) will be appended to entries.
@@ -18,6 +18,12 @@ disabled, type indicators (\*, /, =>, @, =, |, %) will be appended to entries.
 zstyle ':prezto:module:utility:ls' color 'no'
 ```
 
+To disable GNU coreutils `ls` to list directories grouped first, add the following line to *zpreztorc*:
+
+```sh
+zstyle ':prezto:module:utility:ls' dirs-first 'no'
+```
+
 To disable `diff` highlighting, add the following line to *zpreztorc*:
 
 ```sh
@@ -56,6 +62,12 @@ Aliases
   - `mysql`
   - `rm`
 
+To disable all spelling corrections, add the following line to *zpreztorc*:
+
+```sh
+zstyle ':prezto:module:utility' correct 'no'
+```
+
 ### Disabled File Globbing
 
   - `bower`
@@ -109,7 +121,8 @@ Aliases
 
 ### Resource Usage
 
-  - `df` displays free disk space using human readable units (aliases to `pydf`, if installed).
+  - `df` displays free disk space using human readable units (aliases to `pydf`,
+    if installed).
   - `du` displays disk usage using human readable units.
   - `top` displays information about processes.
   - `topc` displays information about processes sorted by CPU usage.
diff --git a/modules/utility/init.zsh b/modules/utility/init.zsh
index 942090d777..a2e5c2bdfe 100644
--- a/modules/utility/init.zsh
+++ b/modules/utility/init.zsh
@@ -11,7 +11,9 @@
 pmodload 'helper' 'spectrum'
 
 # Correct commands.
-setopt CORRECT
+if zstyle -T ':prezto:module:utility' correct; then
+  setopt CORRECT
+fi
 
 #
 # Aliases
@@ -64,16 +66,19 @@ alias mvi="${aliases[mv]:-mv} -i"
 alias cpi="${aliases[cp]:-cp} -i"
 alias lni="${aliases[ln]:-ln} -i"
 if zstyle -T ':prezto:module:utility' safe-ops; then
-  alias rm='rmi'
-  alias mv='mvi'
-  alias cp='cpi'
-  alias ln='lni'
+  alias rm="${aliases[rm]:-rm} -i"
+  alias mv="${aliases[mv]:-mv} -i"
+  alias cp="${aliases[cp]:-cp} -i"
+  alias ln="${aliases[ln]:-ln} -i"
 fi
 
 # ls
 if is-callable 'dircolors'; then
   # GNU Core Utilities
-  alias ls='ls --group-directories-first'
+
+  if zstyle -T ':prezto:module:utility:ls' dirs-first; then
+    alias ls="${aliases[ls]:-ls} --group-directories-first"
+  fi
 
   if zstyle -t ':prezto:module:utility:ls' color; then
     # Call dircolors to define colors if they're missing
diff --git a/runcoms/README.md b/runcoms/README.md
index 9df890e51a..29d9f8a98d 100644
--- a/runcoms/README.md
+++ b/runcoms/README.md
@@ -10,7 +10,7 @@ in */etc* by default.
 
 User-local configuration files have the same name as their global counterparts
 but are prefixed with a dot (hidden). Zsh looks for these files in the path
-stored in the `$ZDOTDIR` environmental variable. However, if said variable is
+stored in the `$ZDOTDIR` environment variable. However, if said variable is
 not defined, Zsh will use the user's home directory.
 
 File Descriptions
diff --git a/runcoms/zpreztorc b/runcoms/zpreztorc
index 7d69b99756..56fb97b752 100644
--- a/runcoms/zpreztorc
+++ b/runcoms/zpreztorc
@@ -129,13 +129,6 @@ zstyle ':prezto:module:prompt' theme 'steeef'
 # return codes. This is not supported by all prompts.
 # zstyle ':prezto:module:prompt' show-return-val 'yes'
 
-#
-# Ruby
-#
-
-# Auto switch the Ruby version on directory change.
-# zstyle ':prezto:module:ruby:chruby' auto-switch 'yes'
-
 #
 # Python
 #
@@ -146,6 +139,13 @@ zstyle ':prezto:module:prompt' theme 'steeef'
 # Automatically initialize virtualenvwrapper if pre-requisites are met.
 # zstyle ':prezto:module:python:virtualenv' initialize 'yes'
 
+#
+# Ruby
+#
+
+# Auto switch the Ruby version on directory change.
+# zstyle ':prezto:module:ruby:chruby' auto-switch 'yes'
+
 #
 # Screen
 #