Particle record feature in the matinee seems not properly working in the Editor. When trying to play in the matinee with recorded keys, the Engine will crash with Access violation - code c0000005. ...
NaN (Not a Number) is handled different when clamped on Windows and Android/iOS. If you clamp a NaN (Acheived by -3 ^ 0.2 in the reproduction project) from 0.0 to 1.0 and then print the result, you' ...
Object instances that override the parent blueprint's collision settings are recognized in PIE but ignored in standalone or when running from the command line with -game NOTE: This appears to only ...
Creating a material with "Absolute World Position" node plugged into the "World Position Offset" input of the base Material node results in flickering in the preview window of the material editor. ...
Using the VisibleAnywhere specifier in a UPROPERTY declaration does not prevent a Component's properties from being edited in property windows. This conflicts with the description of this specifier ...
Using the meta specifier MustImplement will cause the associated dropdown to only list classes/blueprints that implement the provided interface. If a blueprint has not been opened/loaded in the edit ...
The Draw Brush Polys setting does not display translucent Material in versions 4.17 and higher, instead, checking the option appears to do nothing. This issue does not occur in 4.16.3, this issue is ...
When a PlayerController or any actor with bDeferConstruction set to true is spawned, OnActorSpawned.Broadcast is called prior to FinishSpawning which can cause issues as some components may not be i ...
This is a trending crash coming out of the 4.18 previews and 4.18.0. The callstack is similar to a Mac crash that was fixed in 4.16.2 - [Link Removed] User Descriptionswas testing 3rd person temp ...
When packaging for iOS on a Mac, the default level for a project will always be included in the packaged project even if it was not selected to be cooked and packaged. The expected behavior is that ...