The game breaks for me when changing to another Window. Does it work for you?
No change with Proton beta
Found in the 2018-12-11 white list update.
@swick, if you're still experiencing the issue you previously saw, please open a new issue report.
Nothing extracted yet.
Processor Information:
CPU Vendor: GenuineIntel
CPU Brand: Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz
CPU Family: 0x6
CPU Model: 0x3c
CPU Stepping: 0x3
CPU Type: 0x0
Speed: 4000 Mhz
8 logical processors
4 physical processors
HyperThreading: Supported
FCMOV: Supported
SSE2: Supported
SSE3: Supported
SSSE3: Supported
SSE4a: Unsupported
SSE41: Supported
SSE42: Supported
AES: Supported
AVX: Supported
CMPXCHG16B: Supported
LAHF/SAHF: Supported
PrefetchW: Unsupported
Operating System Version:
Linux 4.x (64 bit)
Kernel Name: Linux
Kernel Version: 4.18.3-arch1-1-ARCH
X Server Vendor: The X.Org Foundation
X Server Release: 12001000
X Window Manager: KWin
Steam Runtime Version: Runtime disabled
Video Card:
Driver: X.Org AMD Radeon (TM) RX 480 Graphics (POLARIS10, DRM 3.26.0, 4.18.3-arch1-1-ARCH, LLVM 6.0.1)
Driver Version: 3.1 Mesa 18.1.6
OpenGL Version: 3.1
Desktop Color Depth: 24 bits per pixel
Monitor Refresh Rate: 60 Hz
VendorID: 0x1002
DeviceID: 0x67df
Revision Not Detected
Number of Monitors: 2
Number of Logical Video Cards: 1
Primary Display Resolution: 1920 x 1080
Desktop Resolution: 3840 x 1080
Primary Display Size: 20.08" x 11.42" (23.07" diag)
51.0cm x 29.0cm (58.6cm diag)
Primary VRAM: 8192 MB
Sound card:
Audio device: Realtek ALC1150