Updated to 1.9.3 and 1.5.0 and got this crash:
Crashed: com.apple.main-thread
0 libobjc.A.dylib 0x3110 objc_release + 16
1 WebRTC 0xe4a50 RTCFileName + 15296
2 MetalKit 0x46fc -[MTKView draw] + 184
3 MetalKit 0x12fb8 -[MTKViewDisplayLinkTarget draw] + 40
4 QuartzCore 0x10324 CA::Display::DisplayLink::dispatch_items(unsigned long long, unsigned long long, unsigned long long) + 748
5 QuartzCore 0x16b174 CA::Display::DisplayLink::dispatch_deferred_display_links() + 348
6 UIKitCore 0xe5e254 __setupUpdateSequence_block_invoke + 216
7 UIKitCore 0x7d8084 _UIUpdateSequenceRun + 84
8 UIKitCore 0xe5dcb0 schedulerStepScheduledMainSection + 144
9 UIKitCore 0xe5d478 runloopSourceCallback + 92
10 CoreFoundation 0xbbf04 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 28
11 CoreFoundation 0xccc90 __CFRunLoopDoSource0 + 208
12 CoreFoundation 0x6184 __CFRunLoopDoSources0 + 268
13 CoreFoundation 0xbb4c __CFRunLoopRun + 828
14 CoreFoundation 0x1f6b8 CFRunLoopRunSpecific + 600
15 GraphicsServices 0x1374 GSEventRunModal + 164
16 UIKitCore 0x513e88 -[UIApplication _run] + 1100
17 UIKitCore 0x2955ec UIApplicationMain + 364
18 Runner 0x6f5c main + 6 (AppDelegate.swift:6)
19 ??? 0x1013edce4 (Missing)