XCode 9 crash on label localizer comment edition

ios, storyboard, xcode9

Solution

Even with a brand new empty project, it craches when editing Comment For Localizer. It is an Xcode 9 issue.

As a workaround you can edit the `.storyboard` file manually by adding this kind of block (directly inside your `<label>` block for example):

<attributedString key="userComments">
    <fragment content="Here goes your comment...">
        <attributes>
            <font key="NSFont" metaFont="smallSystem"/>
            <paragraphStyle key="NSParagraphStyle" alignment="natural" lineBreakMode="wordWrapping" baseWritingDirection="natural" tighteningFactorForTruncation="0.0"/>
        </attributes>
    </fragment>
</attributedString>

Problem

Context : Xcode 9.0 (9A235) When I try to edit my storyboard label's note for localizers (inserting Barty Crouch tag `#bc-ignore!`), XCode 9 crashes. Also, trying to edit the font does nothing. Seems like a corrupted storyboard to me, certainly after a merge. Does anyone face the same issue ? EDIT, non-ambiguous question : Is there a fix to avoid the crash or do I have to edit the storyboard by hand? ``` Process: Xcode [66619] Path: /Applications/Xcode.app/Contents/MacOS/Xcode Identifier: com.apple.dt.Xcode Version: 9.0 (13247) Build Info: IDEFrameworks-13247000000000000~26 App Item ID: 497799835 App External ID: 823595305 Code Type: X86-64 (Native) Parent Process: ??? [1] Responsible: Xcode [66619] User ID: 501 Date/Time: 2017-10-03 15:59:00.562 +0200 OS Version: Mac OS X 10.12.6 (16G29) Report Version: 12 Anonymous UUID: 3A288ABF-30D0-A9E7-A02E-4BBD3B1BABB5 Sleep/Wake UUID: 22E57F41-2180-4AB1-AA1D-B1DCF99E683E Time Awake Since Boot: 320000 seconds Time Since Wake: 26000 seconds System Integrity Protection: enabled 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: 9A235 ASSERTION FAILURE in /Library/Caches/com.apple.xbs/Sources/IDEInterfaceBuilder/IDEInterfaceBuilder-13196/InterfaceBuilderKit/Utilities/IBAppKitSupport.m:388 Details: Unknown systemFontType: 132 Object: <NSFont: 0x7fc74354c640> Method: -metaFont Thread: <NSThread: 0x7fc73a40f910>{number = 1, name = main} Hints: Backtrace: 0 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] (in IDEKit) 1 _DVTAssertionHandler (in DVTFoundation) 2 _DVTAssertionFailureHandler (in DVTFoundation) 3 -[NSFont(MethodsBasedOnPrivateState) metaFont] (in IDEInterfaceBuilderKit) 4 -[NSFont(IBDocumentArchiving) archiveWithDocumentArchiver:] (in IDEInterfaceBuilderKit) 5 __51-[IBDocumentArchiver archiveObject:forOptionalKey:]_block_invoke (in IDEInterfaceBuilderKit) 6 -[IBDocumentArchiver recurseWithArchiveToken:usingBlock:] (in IDEInterfaceBuilderKit) 7 -[IBDocumentArchiver recurseWithElementNamed:forObject:kind:invokingBlock:] (in IDEInterfaceBuilderKit) ```

Original source

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