With the change to xigncode, the game is now mostly working on linux and steam deck. Below are the main issues that need to be investigated further by the community:

1. Launcher is blank. You can still input your details and launch the game.

2. Central Market - Not working.
3. Blurry fonts. To fix this switch to fullscreen, then cancel the apply(or use fullscreen).

I'm currently using GE-Proton8-25. Please follow discussions at: https://github.com/ValveSoftware/Proton/issues/3620

Do you play it in tht steam deck? what version of the game do you have(steam or non steam)?I can't get it working without crashing:

The launcher appears completely black, but I've been able to navigate blindly and enter my OTP and select the region blindly. Surprisingly, the "Play" button works as expected. However, once inside the game, it crashes after a few minutes without any error messages. The central market and the black spirit's adventure doesn't work and can't reopen the game when I do a minimize to tray, I have several logs form proton:

wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
[string "FromClient_ChatUpdate"]:1: '=' expected near '<eof>'
wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
[string "FromClient_ChatUpdate"]:1: '=' expected near '<eof>'
wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
wine: Call from 00000002C73AC5E5 to unimplemented function win32u.dll.NtGdiDdDDINetDispQueryMiracastDisplayDeviceStatus, aborting
pid 24337 != 24336, skipping destruction (fork without exec?)
Game 582660 created interface STEAMAPPLIST_INTERFACE_VERSION001 / AppList
Game 582660 created interface STEAMAPPS_INTERFACE_VERSION008 / Apps
Game 582660 created interface STEAMHTMLSURFACE_INTERFACE_VERSION_003 / HTMLSurface
Game 582660 created interface STEAMHTTP_INTERFACE_VERSION002 / HTTP
Game 582660 created interface STEAMINVENTORY_INTERFACE_V001 / Inventory
Game 582660 created interface STEAMMUSICREMOTE_INTERFACE_VERSION001 / MusicRemote
Game 582660 created interface STEAMMUSIC_INTERFACE_VERSION001 / Music
Game 582660 created interface STEAMREMOTESTORAGE_INTERFACE_VERSION014 / RemoteStorage
Game 582660 created interface STEAMSCREENSHOTS_INTERFACE_VERSION003 / Screenshots
Game 582660 created interface STEAMUGC_INTERFACE_VERSION009 / UGC
Game 582660 created interface STEAMUNIFIEDMESSAGES_INTERFACE_VERSION001 / UnifiedMessages
Game 582660 created interface STEAMUSERSTATS_INTERFACE_VERSION011 / UserStats
Game 582660 created interface STEAMVIDEO_INTERFACE_V001 / Video
Game 582660 created interface SteamController005 / Controller
Game 582660 created interface SteamFriends015 / Friends
Game 582660 created interface SteamMatchMaking009 / Matchmaking
Game 582660 created interface SteamMatchMakingServers002 / MatchmakingServers
Game 582660 created interface SteamNetworking005 / Networking
Game 582660 created interface SteamUser019 / User
Game 582660 created interface SteamUtils008 / Utils
Game 582660 method call count for IClientNetworking::IsP2PPacketAvailable : 5349
Game 582660 method call count for IClientUtils::RecordSteamInterfaceCreation : 24
Game 582660 method call count for IClientUtils::GetAppID : 26
Game 582660 method call count for IClientUser::GetSteamID : 2
Game 582660 method call count for IClientUser::BLoggedOn : 1
Uploaded AppInterfaceStats to Steam

GLib-GObject-CRITICAL **: 16:22:55.779: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

I'm using the non-steam version via Lutris. It's interesting that black spirit adventure doesn't work for you, that does work fine for me, only the market doesn't.

I'm launching the non-steam version with steam (with the latest GE). Black spirit's adventure is doing the same thing the launcher is doing.

Hey, could anyone maybe make a "guide" or so on how to navigate the launcher blindly? ;)
I havent played the game in the last 5 years or so and dont know what the (new?) launcher looks at all, and I suspect I'll have to also select the region as well, this makes it basically impossible for me to play, since I dont want to mess up the region in case I cant switch afterwards etc.
Maybe someone has some screenshots from an oly windows install or something, so far I couldnt even find any helpfull screenshots or videos that show the launcher online... :(

Here you go:

Thank you! I am not sure how but I think I could login via Steam(?!) without a password or at least I hope so, when I clicked a few times and got redirected to some guide videos etc so I must be past the login screen. (This video opens in my browser when I click right in the center of the launcher, and below are some guides etc)
Does the game need to install some launcher updates? Or maybe could you send a screenshot of where exactly the Play button is located? That would be very nice until some Proton fixes land upsteam.
EDIT: Never mind I found this screenshot in the related Github issue, I assume it just has to download and than I will be able to hit play, if I dont need to select my region before that.

EDIT 2: Ok somehow I could launch the game, however I was in the NA region, will try to somehow blindly switch it, altough it appears to me that the linked screenshot does not match my client, since I clicked somewhere in the center-left before the game started.
EDIT 3: Ok, I managed to switch to EU! And my old chars are still there, very cool! Can confirm that the Market does not work, besides that the only mayor issue I have seems to be that my mouse can escape while looking around(but that might be related to window/fullscreen mode).

A patch is available that fixes the launcher. Its already been committed to ge-proton. I've compiled it and it's working great so far. Now to get the market working.

Just another update; a wine dev has said he knows how to fix the issue with the market place and it should be commited to proton "soon".