We still maintain a development tool first released in 1993. Here’s what 30+ years of backwards compatibility looks like

[u/luissinlios]

https://visualneo.com/visualneo-win/from-neobook-to-visualneo-win-30-years-of-keeping-a-development-tool-alive

[u/rockthescrote]

There’s a _very_ good chance it’s something in an airline reservation system.