Opening the storyboard of my current project in Xcode 9 beta 5 results in a crash:
Process: Xcode [2478]
Path: /Applications/Xcode-beta.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 9.0 (13226.5)
Build Info: IDEFrameworks-13226005000000000~14
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Xcode [2478]
User ID: 501
Date/Time: 2017-08-08 09:31:41.091 +0200
OS Version: Mac OS X 10.12.6 (16G29)
Report Version: 12
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Application Specific Information:
ProductBuildVersion: 9M202q
ASSERTION FAILURE in /Library/Caches/com.apple.xbs/Sources/IDEInterfaceBuilder/IDEInterfaceBuilder-13178.6/InterfaceBuilderKit/Document/StoryboardDocument/Metrics/IBStoryboardMetricsInferrer.m:128
Details: Failed to push inherited simulated metrics to all scenes.
Object: <IBStoryboardMetricsInferrer: 0x7f86ce1cd820>
Method: -rebuildInferredMetrics
Thread: <NSThread: 0x7f86bf517750>{number = 1, name = main}The same project works fine in beta 4. Bug is reported.
