diff --git a/lib/git.zsh b/lib/git.zsh
index 3a03dbd4d..fae631835 100644
--- a/lib/git.zsh
+++ b/lib/git.zsh
@@ -42,6 +42,10 @@ function _omz_git_prompt_info() {
 function _omz_git_prompt_status() {
   [[ "$(__git_prompt_git config --get oh-my-zsh.hide-status 2>/dev/null)" = 1 ]] && return
 
+  # Use C locale for regex operations to avoid "illegal byte sequence" errors
+  # when branch names contain non-ASCII characters (e.g. Chinese, Japanese)
+  local LC_ALL=C
+
   # Maps a git status prefix to an internal constant
   # This cannot use the prompt constants, as they may be empty
   local -A prefix_constant_map
@@ -162,13 +166,13 @@ if zstyle -t ':omz:alpha:lib:git' async-prompt \
   # or any of the other prompt variables
   function _defer_async_git_register() {
     # Check if git_prompt_info is used in a prompt variable
-    case "${PS1}:${PS2}:${PS3}:${PS4}:${RPROMPT}:${RPS1}:${RPS2}:${RPS3}:${RPS4}" in
+    case "${PS1:-}:${PS2:-}:${PS3:-}:${PS4:-}:${RPROMPT:-}:${RPS1:-}:${RPS2:-}:${RPS3:-}:${RPS4:-}" in
     *(\$\(git_prompt_info\)|\`git_prompt_info\`)*)
       _omz_register_handler _omz_git_prompt_info
       ;;
     esac
 
-    case "${PS1}:${PS2}:${PS3}:${PS4}:${RPROMPT}:${RPS1}:${RPS2}:${RPS3}:${RPS4}" in
+    case "${PS1:-}:${PS2:-}:${PS3:-}:${PS4:-}:${RPROMPT:-}:${RPS1:-}:${RPS2:-}:${RPS3:-}:${RPS4:-}" in
     *(\$\(git_prompt_status\)|\`git_prompt_status\`)*)
       _omz_register_handler _omz_git_prompt_status
       ;;
diff --git a/plugins/colorize/colorize.plugin.zsh b/plugins/colorize/colorize.plugin.zsh
index c49acd864..68b620b82 100644
--- a/plugins/colorize/colorize.plugin.zsh
+++ b/plugins/colorize/colorize.plugin.zsh
@@ -90,6 +90,7 @@ colorize_less() {
         # (e.g. when not scrolled to the bottom) while already the next file will be displayed.
         local LESSOPEN="| zsh -c 'source \"$ZSH_COLORIZE_PLUGIN_PATH\"; \
         ZSH_COLORIZE_TOOL=$ZSH_COLORIZE_TOOL ZSH_COLORIZE_STYLE=$ZSH_COLORIZE_STYLE \
+        ZSH_COLORIZE_CHROMA_FORMATTER=$ZSH_COLORIZE_CHROMA_FORMATTER \
         colorize_cat %s 2> /dev/null'"
 
         # LESSCLOSE will be set to prevent any errors by executing a user script
diff --git a/plugins/globalias/globalias.plugin.zsh b/plugins/globalias/globalias.plugin.zsh
index bd27d589d..693f4f73b 100644
--- a/plugins/globalias/globalias.plugin.zsh
+++ b/plugins/globalias/globalias.plugin.zsh
@@ -3,9 +3,13 @@ globalias() {
    # (z) splits into words using shell parsing
    # (A) makes it an array even if there's only one element
    local word=${${(Az)LBUFFER}[-1]}
-   if [[ $GLOBALIAS_FILTER_VALUES[(Ie)$word] -eq 0 ]]; then
-      zle _expand_alias
-      zle expand-word
+   # Don't expand if the word looks like an environment variable assignment
+   # (e.g. DEBUG=1 or KEY="value") to avoid expanding aliases in env vars
+   if [[ $word != *"="* ]]; then
+      if [[ $GLOBALIAS_FILTER_VALUES[(Ie)$word] -eq 0 ]]; then
+         zle _expand_alias
+         zle expand-word
+      fi
    fi
    zle self-insert
 }