I don't think that proves they still include TOAD-2 in new systems. It is equally compatible with all TOAD-2-based systems going EOL: likely they had some new boards set aside as spare parts for the production systems, once all customers stop using the old TOAD-2-based systems in production, the spare parts are no longer required, and so XKL may have decided to quietly give away (or sell) those spare parts to well-connected 36-bit enthusiasts.
Furthermore, there is a good reason to believe they don't use TOAD-2 any more: if you look at the manuals at XKL.com, you'll find recent products are running an operating system called "DXMOS". It appears to be a custom operating system based on *BSD but with a UI inspired by Cisco IOS (so similar in architectural concept to Juniper JunOS, but aiming to be closer in CLI syntax to IOS than JunOS is). The various copyright acknowledgements in their manual (all three of FreeBSD, NetBSD and OpenBSD) support that conclusion (most likely they have picked one of the three as a base, but borrowed some code from the other two as well). It seems rather unlikely a *BSD is running on a 36-bit CPU such as TOAD-2, it seems much more likely it is running on some industry standard 32/64-bit CPU such as x86 (or maybe ARM or POWER or MIPS). Furthermore, the copyright acknowledgements and release notes also show dependence on a number of other software libraries (SSLeay, OpenSSL, OpenSSH, Dropbear SSH – not all at the same time, of course, in recent versions they switched from OpenSSH to Dropbear) which seem rather unlikely to have been ported to run on a 36-bit platform.