Most current version...

I bought the Most current version a long time ago…TTG CE3 Client Response Gallery 5.1.7. What should I buy in 2025 to get the same features?

Backlight 6 and the Client Response add-on.
You won’t be able to port your old CE3 Client Response Galleries to Backlight though.

Okay, that’s what I thought.
Great!
Thanks.