There are plenty of answers in this thread that lists applications that have kept being updated over the years, which I don’t know if it is a valid answer, it depends on the definition of the question, and how you interpret the software of Theseus.
I am going to be semi pedantic, no binary updates but config updates and compabillity layers are ok.
I still play Unreal Tournament 2004, I have three copies, one on CD, one on Steam and one on GOG, it is an awesome game, that even has an official native Linux version with an installer on the CD.
It is fantastically fun, well balanced and just amazing.
You have to edit the config files to support modern resolutions, and make it connect to the community master server, but that is a one time change and then you can just start blasting.
The game is available on Archive.org.
You should reach out to the manufacturer and ask.
Send an email explaining the situation to their marketing department, that is usually a good way to establish contact, and just say something like.
"Hi, this is a quite weird question, and I was wondering if you could pass it along to the relevant team.
I live in an apartment building with a communal laundry room, we have one of your devices in use on the wall, specifically the model X, and the button feel of the buttons are just utterly amazing.
I am now looking for the same type of buttons for my own project, and was wondering if you can speak with the product team and help me figure this out.
Thank you very much for you time!"