I use an old laravel lumen 5.8 and tried to make a route like :
http://localhost:8001/url/api/v1
and its working fine, but when I want to make route like
http://localhost:8001/url/api/v1.0
its return some error, i think this is on xampp / apache / php level
because when we input the wrong endpoint with env debug=true, laravel will return error as normally laravel error page. But this route return error like