2nd Save in TBDuel Core Link Does not Work in RetroArch Core

[TradeDraft]

I got the Link Cable working with TBGDuel but I can’t have a Save on the 2nd Gameboy in the Link. I even tried to play a Game on there and Save It. I tried that but once I got out of RetroArch and it tried it again the Save was Gone.

So is there a Way I can get the 2nd Save to work on the TBGDuel Core?

I am using Windows 10

[leomontenegro6]

I also confirm this problem happens in my Raspberry Pi 2 with RetroPie. I'm using version 0.8.3 of this core. But I believe this is an older version of this core, probably dated from mid-2017.

Is there a new version that might address this issue?