Unreal Engine Issues

Crash when interacting with an Actor containing an Instanced Static Mesh that is in a Locked level

This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Editor crashes with an assertion after interaction with an Instance Static Mesh component that is in a locked level. This doesn't af ...

Sequence thumbnails save with visual issues

[Link Removed] When camera tracks are activated, saving the sequencer results in captured anomalies: 1. Incorrect aspect ratio 2. Additional post-processing effects such as lens flare appear 3. ...

Scene capture allocate internal render target

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/ ...

Regression: FAnimInstanceProxy memory leak when BeginDestroy() called on UAnimInstance before USkeletalMeshComponent

In UE 5.5, the fix applied by CL 36529858 in ue5-main updated USkeletalMeshComponent::ClearAnimScriptInstance() to call AnimScriptInstance::UninitializeAnimation() on the animation instance. This, i ...

UnrealMathTest fails when compiled with VS2019

A crash or breakpoint is triggered when building UE4 with Project Files generated with -2019. Typeinfo.h was changed in MSVC v14.23 to just be typeinfo. ([Link Removed]) There is a pull request t ...

In the level editor, when configuring a component that is part of an actor blueprint, adding entries to a TMap with C++ enum keys results in duplicate keys and an incorrect warning popup.

Note: This started happening in UE 5.4 and persists up to latest. It is probably related to [Link Removed] Closed ([Link Re ...

Components derived from scene component reset vector location upon closing and re-opening editor

Components derived from scene component reset vector location upon closing and re-opening editor. This does not happen to scene components or other child components within a blueprint. Regression ...

No visual updates when adjusting the curve editor in UMG for the first two points on the timeline

When Switching the curve editor to cubic interpolations for example moving the blue handles will not change the curve. However, if a third point is add this function works as intended from the 2 poi ...

Materials using Media Textures appear upside down in UMG on Android

When a user applies a media texture to a material and then applies this to an image widget, this material appears upside down when launched on to the Galaxy Note 3 (OS-Android 5.0) and the Nexus 5 ( ...