Unreal Engine Issues

Vector NotEqual / != displays default tolerance of "0" instead of "0.0001"

If this is just a display issue, it's still fairly significant because a tolerance of 0 and anything else are very different. I have not confirmed if it's only display or if the comparison is actual ...

[CrashReporter] UnrealEditor-CoreUObject!SavePackageUtilities::WriteToFile(FString const &,unsigned char const *,__int64) [SavePackageUtilities.cpp:544]

Generated from CrashReporter Fatal error: [Link Removed] [Line: 544] Could not write to One possible repro (but is possibly outdated) can be found in [Link Removed].  ...

TMap<Bool is disallowed despite bool having a hash

Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result).  Issue is technically a Regression, as the ensure does not occur in //UE5/ ...

Raytraced Shadows don't render on landscape grass

Regression: Tested in UE5/Release-5.0, the issue did not occur so this is a regression Cast Dynamic Shadow should be enabled in the Landscape Grass Type by default, so shadows should be cast by the ...

Rect Light distribution incorrect with CPU Lightmass

Navmesh rebuild always occurs on Startup map immediately after starting editor

Whenever launching the UE5 Editor, it rebuilds the navmesh on the first map it opens. Reopening the same map again will not cause the navmesh to be rebuilt. It seems that the first time the map is o ...

Lyra animation stutter when character moves from side to side

When moving in Lyra side to side using the B_Hero_ShooterMannequin as the player character, the animation will noticeably stutter whenever you change the direction of the movement. I repro'd this 3/ ...

Changes to InputMappingContext made during game play revert to previous state after restarting engine

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...

Sky Lights don't effect Translucent materials

Regression: Tested in UE5/Release-5.0, this issue does not occur so it is a regression Appears to be an issue with Lumen and Skylights with Cubemaps. Directional lights, point lights, etc. all work ...

Python function unreal.AssetRegistry.get_assets_by_class is broken

Repro 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 ...