You'll find a very divide opinions on this forum, about inside only V's inside/outside cats.

I personally have inside/outside cats because I believe cats need to be outside and I live in a quiet neighbourhood with gardens in England.

It is standard for our American friends to have Inside cats and it is considered highly cruel, to allow a pet into the outside world with dangers like coyetes, nasty people, bad traffic etc.

Don't forget there is a third option. Fence your yard to allow your cats outside access but prevents ferals accessing the yard. Or walking your cat on a lease.

You have to look at your situation and use your common sense.

What is best for your cats ?