You can do some tweaking of clean URLs related to "New Arrivals" and "Coming Soon" pages using your store's configuration file XCART_DIRECTORY/etc/config.php.
In the section [clean_url_aliases] you can set a clean URL alias for the "New Arrivals" (https://your_store_address/?target=new_arrivals) and "Coming Soon" pages (https://your_store_address/?target=coming_soon):
[clean_urls_aliases]
; Add clean URL aliases for special pages.
; Use the following format:
; target = "clean-url"
...
new_arrivals = "newarrivals"
...
coming_soon = "coming-soon"
By default, the aliases are, respectively, "newarrivals" and "coming-soon".
Related pages: