Unreal Engine Issues

[CrashReport] UE4Editor_CoreUObject!UObjectBaseUtility::GetOutermost() [uobjectbaseutility.cpp:118]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. User DescriptionsSwitching levels, then when prompted to save current unsaved level, selecting ...

[CrashReport] UE4Editor_Engine!FShaderCompilingManager::ProcessCompiledShaderMaps() [shadercompiler.cpp:1812]

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. It appears to crash without a project loaded, and only for ...

[CrashReport] UE4Editor_Engine!FShaderCompilingManager::LaunchWorker() [shadercompiler.cpp:1573]

This is a common and longstanding crash that has occurred since at least 4.9. The issue appears to be due to missing ShaderCompileWorker.exe in binaries, but many of these crashes occur in the vani ...

Asset Registry GetDerivedClassNames does not work properly during editor startup

This bug comes from https://udn.unrealengine.com/questions/585499/view.html which describes a problem where a licensee is trying to use the AssetManager to scan a primary asset type that is generate ...

Assertion failed: (Index >= 0) & (Index < ArrayNum) when importing large Alembic file

Regression testing done on //UE4/Release-4.27.2 CL-18427296 and this issue did occur. [Link Removed] [Link Removed] Below is snips of customers description and proposed workaround:Importing alembi ...

Velocity Scene Texture Data Integrity Issues

When a Post-Process Material uses the Scene Texture Material Expression, the following code is generated: ``` MaterialFloat2 Local0 = Parameters.TexCoords[0].xy; MaterialFloat2 Local1 = ClampSceneT ...

Unable to change collision profile on static mesh component to a specific profile.

iOS crash on launch if GoogleVR plugin enabled

Aug 30 12:56:25 Unreal-Engines-iPhone TestCardboard_0826[472] <Warning>: Failed to load font: file not found at file:///var/containers/Bundle/Application/8224C7F6-6A72-4868-97A9-869A23CD6F2A/TestCardb ...

Instanced Static Meshes ignore max World Position Offset Displacement for bounds after UpdateInstanceTransform is called

When an Instanced Static Mesh Component (ISMC) uses a material with a non-zero Max World Position Offset Displacement, the bounds are correctly expanded at initialization. However, after calling Upd ...

Regarding TObjectPtr performance regression

This is from the linked EPS case: ============================== When 5.0 first introduced TObjectPtr, the guidance was that it would compile down to raw pointer access in Shipping builds to ensu ...