Unreal Engine Issues
Unreal Engine Issues
[CrashReport] FMacWindow::ApplySizeAndModeChanges | SWindow::ReshapeWindow()
UE - Platform - Apple - Dec 1, 2017This is an infrequent Mac crash in 4.18. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to both [Link Removed] and [Link Removed] Call ...
Assets containing TSet or TMaps fail to Nativize
UE - Gameplay - Blueprint Runtime - Dec 12, 2016Multiple compile failures while attempting to nativize the QABP_Containers asset in QAGame. Errors:[2016.12.12-15.20.04:831][486]UATHelper: Packaging (Windows (64-bit)): xgConsole: QABP_Containers_ ...
Niagara Data Interface "Errors and Warning" section on Module Details not updating when error messages change
UE - Niagara - Aug 14, 2025This is a regression: it worked correctly up to UE 5.5, but not in 5.6 or mainline latest. Possibly caused by CL 40093049. Class UNiagaraDataInterface provides virtual method GetFeedback(), which a ...
HTTP If-None-Match response code is incorrect on Macintosh
Tools - Sep 22, 2016Macintosh implementation for HTTP requests handle If-None-Match against ETags differently than Windows implementation. ...
Niagara Particles do not respond to Set World Origin Location
UE - Niagara - Aug 17, 2020Setting the world origin will not update existing Niagara particles. ...
Crash when calling "Create Widget" node
UE - Editor - UI Systems - Dec 3, 2014User reported a crash when trying to call "Create Widget" node set to UserWidget. Was not able to reproduce internally. User was able to resolve the crash by recreating the widget blueprint and re ...
Any events in sequencer fire at frame 0 when set to looping
UE - Anim - Sequencer - Mar 28, 2016Any active events fire at frame 0 when the sequence loops ...
Object type properties with instanced modifier in a child actor is lost when saving
UE - Gameplay - Blueprint Editor - Aug 3, 2023If Skel Mesh Material Element order changes, Cloth assignments stay in the same order
Tools - Dec 21, 2016If Skel Mesh Material Element order changes, Clothing assignments stay in the same order. I don't know if there's a way for the editor to interpret the material assignments on import, but this can ...