old_contents: from typing import Any
  
  from django.conf import settings
  from django.contrib.staticfiles.storage import staticfiles_storage
  from django.template.defaultfilters import pluralize, slugify
  from django.urls import reverse
  from django.utils import translation
  from django.utils.timesince import timesince
  from jinja2 import Environment
  from two_factor.templatetags.two_factor import device_action
  
  from zerver.templatetags.app_filters import display_list, render_markdown_path
  
  
  def environment(**options: Any) -> Environment:
      env = Environment(**options)
      env.globals.update(
          default_page_params={
              "debug_mode": False,
              "webpack_public_path": staticfiles_storage.url(
                  settings.WEBPACK_LOADER["DEFAULT"]["BUNDLE_DIR_NAME"],
              ),
          },
          static=staticfiles_storage.url,
          url=reverse,
          render_markdown_path=render_markdown_path,
      )
  
      env.install_gettext_translations(translation, True)
  
      env.filters["slugify"] = slugify
      env.filters["pluralize"] = pluralize
      env.filters["display_list"] = display_list
      env.filters["device_action"] = device_action
      env.filters["timesince"] = timesince
  
      return env
  
new_contents: from typing import Any
  
  from django.conf import settings
  from django.contrib.staticfiles.storage import staticfiles_storage
  from django.template.defaultfilters import pluralize, slugify
  from django.urls import reverse
  from django.utils import translation
  from django.utils.timesince import timesince
  from jinja2 import Environment
  from two_factor.templatetags.two_factor import device_action
  
  from zerver.templatetags.app_filters import display_list, render_markdown_path
  
  
  def environment(**options: Any) -> Environment:
      env = Environment(**options)
      env.globals.update(
          default_page_params={
              "debug_mode": settings.DEBUG,
              "webpack_public_path": staticfiles_storage.url(
                  settings.WEBPACK_LOADER["DEFAULT"]["BUNDLE_DIR_NAME"],
              ),
          },
          static=staticfiles_storage.url,
          url=reverse,
          render_markdown_path=render_markdown_path,
      )
  
      env.install_gettext_translations(translation, True)
  
      env.filters["slugify"] = slugify
      env.filters["pluralize"] = pluralize
      env.filters["display_list"] = display_list
      env.filters["device_action"] = device_action
      env.filters["timesince"] = timesince
  
      return env
  
subject: Make debug_mode for default_page_params follow the setting.