It's public beta, weird look and ai assistance, so idk how I feel about it but hey old good game gets a rare update, I'll take it
SRC: https://steamcommunity.com/games/200710/announcements/detail/701031128264347698
Why would they need to decompile it if they legally own it? Chances are they have the source code. The game isn't so old that it would have been on a lost floppy disk or something.