UU

Dear, please help me: I probably found a big bug, in iOS 10.3 and iOS 11, update datasource will not work correctly, please look at below.

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Dear, I use IBPCollectionViewCompositionalLayout in iOS 13 will no problem, but in iOS 10 and iOS 11 is not ok, please see the screenshot and the IBPCollectionViewCompositionalLayout.zip example that I...

the below code of layout section before iOS 13 is not work correctly

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``` // i.e. all iOS version is work correctly func layoutSection(layoutEnvironment: NSCollectionLayoutEnvironment) -> NSCollectionLayoutSection? { let itemSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0), heightDimension: .fractionalHeight(1.0)) let item = NSCollectionLayoutItem(layoutSize: itemSize) let groupSize =...

在最新的Xcode Version 12.4 (12D4e) 及系统 macOS 11.2.3 上报错 dyld: Symbol not found: _sel_hash

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麻烦博主更新到最新的 objc4-818.2 版本吧，麻烦了，谢谢了~ ---------- dyld: Symbol not found: _sel_hash Referenced from: /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation Expected in: /Users/yumu/Library/Developer/Xcode/DerivedData/objc-eqtajswswqnllsdtitmgkdoikmzo/Build/Products/Debug/libobjc.A.dylib in /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation (lldb)

同样希望博主能加上 CoreFoundation、libdispatch，拜托： [https://github.com/apple/swift-corelibs-foundation](url) [https://github.com/apple/swift-corelibs-libdispatch](url)

是 Segment，不是 Segement，也许只能将错就错了，哈哈