SCPM: GOG has added FromSoftware, Inc. by itself as a new company in the list. I can't help but get my hopes up, but it is most likely just something related to Metal Wolf Chaos XD, which for the time being is still showing as both FromSoftware, Inc. and General Arcade. For reference, on Steam the only titles with the exact match of FromSoftware, Inc. are the Dark Souls games, the rest are a mix or are listed as just FromSoftware, no Inc.
Yeah I'm not getting my hopes up either but I wonder what DLC MWC could have as I don't see anything else listed on Steam. The OST makes the most sense to me.
Otherwise maybe CDP used their Bandai Namco connections to convince them to bring one or more Dark Souls games or convinced BN to at least let FS self-publish here. (I thought it was a SEGA-published but obviously learned otherwise.)
edit: Oh and we do technically have BN already here with Little Nightmares.
edit2: I'm just assuming Dark Souls would be the series coming if it's not just more MWC stuff. Maybe CDP/GOG somehow convinced Activision to release Sekiro here :P but the older Dark Souls makes more sense to me (though MWC makes the most sense to keep our expectations low).