Unreal Engine Issues
Unreal Engine Issues
Custom events cannot be overriden in child blueprints
UE - Gameplay - Blueprint - Jul 25, 2017Custom events cannot be overriden in child blueprints. The add event option is no longer available so as to override a custom event that was created in the parent. This appears to be a regression. ...
CoreRedirects cannot be properly used to rename a BlueprintImplementableEvent that has a return value
UE - Gameplay - Blueprint - Dec 7, 2017Attempting to use CoreRedirects to rename a BlueprintImplementableEvent that has a return value results in the function not being renamed in the Blueprint subclasses and its Return Value nodes causi ...
Breakpoint triggered in Visual Studio after running "{,,UE4Editor-Core}::PrintScriptCallstack()" command
UE - Gameplay - Blueprint - Jan 10, 2018Running the command {,,UE4Editor-Core}::PrintScriptCallstack() in the Immediate Window in Visual Studio while debugging is paused in Visual Studio will result in a breakpoint being hit when the ...
Role and RemoteRole may not be correct after changing
UE - Networking - Jan 25, 2018There are cases where changing the Role and RemoteRole of a Pawn doesn't get properly replicated. The underlying issue has to do with ScopedRoleDowngrades and Shared Shadow State. A workaround is t ...
Merging negative-scaled actors breaks materials
UE - World Creation - Worldbuilding Tools - HLOD - Mar 27, 2018Materials are broken when merging a mesh with another that has negative scale Licencee states that bisMirrored in FMeshMergeHelpers::TransformRawMeshVertexData seems to be involved. Does not occur ...
AttachToComponent replication snapping to position instead of keeping relative location
UE - Networking - Feb 15, 2019When using AttachToComponent at runtime, the attachment does not replicate properly for some clients. The relative transform/rotation is not maintained. The user who reported this issue mentioned th ...
A crash happens with a combination of Event Receive Tick AI and a pawn losing possession
UE - AI - May 18, 2022User reports this is a regression because it worked in 4.27, but they converted to 5.0.1 and now it causes a crash. However, I'm unable to verify this at this time. A crash happens with a combinati ...
Python function unreal.AssetRegistry.get_assets_by_class is broken
UE - CoreTech - Nov 21, 2022Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to be a regression since the errors do not occur on the previous version and is regression tested o ...
Game Crashes when playing 2nd Startup Movie
UE - Media Framework - Jan 6, 2023Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. I've tried enabling the Media Movie Streamer plugin & Electra Player plugins, but Game cr ...
GAS: RemoveActiveGameplayEffect crashes when called during world teardown for periodic GEs
UE - Gameplay - Gameplay Ability System - Mar 2, 2023AbilitySystemComponent crashes when RemoveActiveGameplayEffect is called during world teardown for an active gameplay effect that ticks periodically, by unsafe GetWorld()->GetTimerManager() access w ...