Updated game to 1.61, then check free DLCs, nothing can download, nothing..... Just call me to get 1.6 version

OS: win10-64bit
Platform: GOG 2.0.55.99

I am having this same issue, the free DLCs, which should be available regardless of platform, are no longer available. I just get a sync error even though I am clearly logged into RedLauncher / GOG.

I would post a picture but for some reason the attachment is not uploading even though it does not exceed the 2MB limit.

Same. Syncing save games doesn't work either.

I think I have the same issue as all of you. See the picture attached. (EDIT: looks like I can't send the picture...great)
I already uninstalled the game and installed it again, nothing. Problem still here. And I can't even play since GOG tries to update it again and again...

I found the cause and fix (at least for me) I'm assuming this is the same for those here though. If you are modding your game using Cyber Engine Tweaks (CET), open the overlay, go to the settings tab, uncheck the skip intro movie and logos tabs, then reboot the game. This removed the sync issue. The opening movies and logos are the interaction that needs to happen in order for the game to ping the proper server and tell it to give you access to the free DLC. Hope this helps!

Same here, I don't have any mods. I can't download any free DLCs as it says I need to update my game to X version. I have 1.61. Run file verification everything is ok...

If you're referring to the Wolf School Jacket, Black Unicorn Katana, etc., then you don't physically downloads them. They'll be in your stash.