That's about the decompilation. This article's about the original source code.
gnabgib · 4h ago
If you follow through, that decompilation lead to this source code share.. and both projects are under the same repo (stewarded by the same user). (Although the decompilation [0] works, while the merged project[1] is still in progress).
[0]: https://github.com/isledecomp/isle
[1]: https://github.com/isledecomp/isle-portable