Xcode warning: IO on main thread

[yspreen]

/Users/user/Library/Developer/Xcode/DerivedData/App-fbkxwqvlyktkzzajmxsracuatpsm/SourcePackages/checkouts/Nuke/Sources/NukeUI/FetchImage.swift:13 {"message":"This code path does I/O on the main thread underneath that can lead to UI responsiveness issues. Consider ways to optimize this code path","antipattern trigger":"CGImageSourceCreateImageAtIndex","message type":"suppressable","show in console":"0"}

Thread 1
#0 0x0000000000061477 in -[_CUIRawPixelRendition initWithCSIHeader:version:] ()
#38 0x000000000003d03f in static Published.subscript.setter ()
#39 0x00000001010e89bf in FetchImage.isLoading.setter at /Users/user/Library/Developer/Xcode/DerivedData/App-fbkxwqvlyktkzzajmxsracuatpsm/SourcePackages/checkouts/Nuke/Sources/NukeUI/FetchImage.swift:13
#40 0x00000001010ec1ef in FetchImage.handle(result:) at /Users/user/Library/Developer/Xcode/DerivedData/App-fbkxwqvlyktkzzajmxsracuatpsm/SourcePackages/checkouts/Nuke/Sources/NukeUI/FetchImage.swift:162
#41 0x00000001010eba77 in FetchImage.load(:) at /Users/user/Library/Developer/Xcode/DerivedData/App-fbkxwqvlyktkzzajmxsracuatpsm/SourcePackages/checkouts/Nuke/Sources/NukeUI/FetchImage.swift:125
#42 0x00000001010f455b in LazyImage.onAppear() at /Users/user/Library/Developer/Xcode/DerivedData/App-fbkxwqvlyktkzzajmxsracuatpsm/SourcePackages/checkouts/Nuke/Sources/NukeUI/LazyImage.swift:164
#43 0x00000001010f3f87 in closure #2 in LazyImage.body.getter at /Users/user/Library/Developer/Xcode/DerivedData/App-fbkxwqvlyktkzzajmxsracuatpsm/SourcePackages/checkouts/Nuke/Sources/NukeUI/LazyImage.swift:143
#44 0x0000000000adaac7 in ___lldb_unnamed_symbol177398 ()
#60 0x0000000000a40067 in static App.main() ()
#61 0x00000001002ec657 in static App.$main() at /Users/user/Documents/proj/app/iOS/App/App.swift:15
#62 0x00000001002ef033 in main at /Users/user/Documents/proj/app/iOS/App/App.swift:14

[kean]

Hey, thanks for the report. I would appreciate if you could attach a sample code where I could reproduce it. I can't seem to be able to reproduce it in a demo project.