Unreal Engine Issues

In Niagara's "CalculateParticleRadius", StaticSwitch Input is connected

This may not compile properly. Should be fixed. ...

Debug visualizations like 'r.VisualizeOccludedPrimitives 1' don't work in PIE, only in editor

"Hiding Other Developer Assets" does not work when "Show All Folder" is enabled

In the implementation of FFrontendFilter_ShowOtherDevelopers, the developer folder is determined by whether the asset path starts with /Game/Developers/. However, when "Show All Folder" is enabled, ...

LightPropagationVolume plugin can not be disabled

SceneRenderTargets.cpp includes LightPropagationVolumeBlendable.h, which means if you disable the LightPropagationVolume plugin and compile, you will get compile errors. ...

EyeAdaptation node is not working in Decal

It is working correctly in 4.25.4. In 4.26.2, it is not working. It is also not working in UE4main 16382403. ...

Light Types Show Flags in SceneCaptureComponent2D is not functioning properly

It was working until 4.25.4. It is easy to see if you turn on/off the Light Types Show Flags in SceneCaptureComponent2D. ...

Fountain emitters are constantly showing errors in the timeline and are not displaying correctly

This issue is not present in 4.25.4 You can also avoid the problem if the LoopBehavior of the EmitterState is Multiple and LoopDelay is enabled. [Image Removed] It seems to be a binding of certai ...

Sequencer: Skeletal Animation with montages can cause blending issues when re-playing the same sequence on the same character

The code in MovieSceneSkeletalAnimationSystem.cpp storages montage data on a per skeletal mesh component, per section basis. This (and a few other bits of logic) cause issues for external UDN user w ...

Launch on Nexus 9 fails due to unknown arm64-v8a architecture

Nexus 9 fails due to unrecognized CPU architecture. Need to add mapping of arm64-v8a to arm64 (UE4 internal architecture for this part) so it will fall back to armv7 for now and in future use 64-bi ...

ApplyAdditive AnimBlueprint node with Slot node is not working correctly.

Applying ApplyAdditive node with Additive motion directly on AnimBlueprint works correctly but applying ApplyAdditive node with Slot node playing additive motion is not working correctly that makes ...