no they haven't they're using artilery equipment we gave them.
Don't blatantly lie.
https://www.businessinsider.com/ukraine-weapons-can-hit-russia-targets-430-miles-away-zelenskyy-2023-9 https://www.cbc.ca/news/world/ukraine-develops-weapon-zelenskyy-says-1.6953132
So, if you wanna say "oh secretly it was still the US that supplied the drones or whatever", extraordinary claims require extraordinary evidence.