CoreAnimation：警告，在滚动时使用未提交的CATransaction删除线程

Question

我有一个包含源列表和表视图的拆分视图。所有数据都会加载并显示在屏幕上。

我在当前的计划中启用了Xcode: How to set CA_DEBUG_TRANSACTIONS=1?。

1. 我启动应用
2. 加载并显示所有数据
3. 我滚动后会有崩溃

我没有在后台线程中更新任何UI或者根本不做任何事情。只需滚动即可触发错误。

日志：

CoreAnimation: warning, encountered thread with uncommitted CATransaction; created by:
0   QuartzCore                          0x00007fff8aabf69a _ZN2CA11Transaction4pushEv + 318
1   QuartzCore                          0x00007fff8aabf19a _ZN2CA11Transaction15ensure_implicitEv + 276
2   QuartzCore                          0x00007fff8aac5719 _ZN2CA5Layer13thread_flags_EPNS_11TransactionE + 37
3   QuartzCore                          0x00007fff8aac5668 _ZN2CA5Layer4markEPNS_11TransactionEjj + 64
4   QuartzCore                          0x00007fff8aac712b _ZN2CA5Layer25set_needs_display_in_rectERK6CGRect + 333
5   QuartzCore                          0x00007fff8aac6fdc -[CALayer setNeedsDisplayInRect:] + 25
6   AppKit                              0x00007fff865759ac -[_NSTiledLayer setNeedsDisplayInRect:] + 210
7   AppKit                              0x00007fff8662f4b8 -[_NSBackingLayerContents invalidateRect:] + 94
8   AppKit                              0x00007fff8635a249 _NSBackingLayerSetNeedsDisplayInRect + 160
9   AppKit                              0x00007fff8635a1a3 -[_NSBackingLayer setNeedsDisplayInRect:] + 61
10  AppKit                              0x00007fff8635a98b -[NSView(NSInternal) _setLayerNeedsDisplayInViewRect:] + 606
11  AppKit                              0x00007fff8632888e NSViewSetNeedsDisplayInRect + 945
12  AppKit                              0x00007fff863284d6 -[NSView setNeedsDisplayInRect:] + 48
13  AppKit                              0x00007fff866d20e3 -[_NSMirrorDocumentView documentViewNeedsDisplayInRect:] + 266
14  CoreFoundation                      0x00007fff9019fbbc __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
15  CoreFoundation                      0x00007fff9019fb4f ___CFXRegistrationPost_block_invoke + 63

我对如何调试此问题感到茫然。