diff --git a/init.zsh b/init.zsh
index 87f095e..ebae912 100644
--- a/init.zsh
+++ b/init.zsh
@@ -98,18 +98,20 @@ function pmodload {
     else
       locations=(${pmodule_dirs:+${^pmodule_dirs}/$pmodule(-/FN)})
       if (( ${#locations} > 1 )); then
-        print "$0: conflicting module locations: $locations"
-        continue
+        if ! zstyle -t ':prezto:load' pmodule-allow-overrides 'yes'; then
+          print "$0: conflicting module locations: $locations"
+          continue
+        fi
       elif (( ${#locations} < 1 )); then
         print "$0: no such module: $pmodule"
         continue
       fi
 
       # Grab the full path to this module
-      pmodule_location=${locations[1]}
+      pmodule_location=${locations[-1]}
 
       # Add functions to $fpath.
-      fpath=(${pmodule_location}/functions(/FN) $fpath)
+      fpath=(${pmodule_location}/functions(-/FN) $fpath)
 
       function {
         local pfunction
diff --git a/modules/autosuggestions/external b/modules/autosuggestions/external
index 733abd4..ae315de 160000
--- a/modules/autosuggestions/external
+++ b/modules/autosuggestions/external
@@ -1 +1 @@
-Subproject commit 733abd4af0f23f217caa2a303fbef66382d19d6f
+Subproject commit ae315ded4dba10685dbbafbfa2ff3c1aefeb490d
diff --git a/modules/environment/init.zsh b/modules/environment/init.zsh
index 7ae8c4f..ac76278 100644
--- a/modules/environment/init.zsh
+++ b/modules/environment/init.zsh
@@ -38,6 +38,9 @@ setopt INTERACTIVE_COMMENTS # Enable comments in interactive shell.
 setopt RC_QUOTES            # Allow 'Henry''s Garage' instead of 'Henry'\''s Garage'.
 unsetopt MAIL_WARNING       # Don't print a warning message if a mail file has been accessed.
 
+# Allow mapping Ctrl+S and Ctrl+Q shortcuts
+[[ -n ${TTY:-} && $+commands[stty] == 1 ]] && stty -ixon <$TTY >$TTY
+
 #
 # Jobs
 #
diff --git a/modules/prompt/external/powerlevel10k b/modules/prompt/external/powerlevel10k
index 345d064..c21961b 160000
--- a/modules/prompt/external/powerlevel10k
+++ b/modules/prompt/external/powerlevel10k
@@ -1 +1 @@
-Subproject commit 345d0644a9c1a242ff131bde915bbe234c3dd745
+Subproject commit c21961b53c137253020aeffca2b132fdd6bcb116
diff --git a/runcoms/zlogin b/runcoms/zlogin
index 16fae45..9ea9792 100644
--- a/runcoms/zlogin
+++ b/runcoms/zlogin
@@ -15,7 +15,7 @@
 } &!
 
 # Execute code only if STDERR is bound to a TTY.
-[[ -o INTERACTIVE && -t 2 ]] && {
+if [[ -o INTERACTIVE && -t 2 ]]; then
 
   # Print a random, hopefully interesting, adage.
   if (( $+commands[fortune] )); then
@@ -23,4 +23,4 @@
     print
   fi
 
-} >&2
+fi >&2
diff --git a/runcoms/zpreztorc b/runcoms/zpreztorc
index a549073..9a3c19a 100644
--- a/runcoms/zpreztorc
+++ b/runcoms/zpreztorc
@@ -18,6 +18,9 @@ zstyle ':prezto:*:*' color 'yes'
 # Add additional directories to load prezto modules from
 # zstyle ':prezto:load' pmodule-dirs $HOME/.zprezto-contrib
 
+# Allow module overrides when pmodule-dirs causes module name collisions
+# zstyle ':prezto:load' pmodule-allow-overrides 'yes'
+
 # Set the Zsh modules to load (man zshmodules).
 # zstyle ':prezto:load' zmodule 'attr' 'stat'